Merge bk://gkernel.bkbits.net/net-drivers-2.5

into home.osdl.org:/home/torvalds/v2.5/linux

arch/ppc/boot/simple/embed_config.c

@@ -50,7 +50,7 @@ embed_config(bd_t **bdp)
 {
 	u_char	*mp;
 	u_char	eebuf[128];
-	int i;
+	int i = 8;
 	bd_t    *bd;
 
 	bd = *bdp;
@@ -62,11 +62,21 @@ embed_config(bd_t **bdp)
 
 	/* All we are looking for is the Ethernet MAC address.  The
 	 * first 8 bytes are 'MOTOROLA', so check for part of that.
+	 * Next, the VPD describes a MAC 'packet' as being of type 08
+	 * and size 06.  So we look for that and the MAC must follow.
+	 * If there are more than one, we still only care about the first.
 	 * If it's there, assume we have a valid MAC address.  If not,
 	 * grab our default one.
 	 */
-	if ((*(uint *)eebuf) == 0x4d4f544f)
-		mp = &eebuf[0x4c];
+	if ((*(uint *)eebuf) == 0x4d4f544f) {
+		while (i < 127 && !(eebuf[i] == 0x08 && eebuf[i + 1] == 0x06))
+			 i += eebuf[i + 1] + 2;  /* skip this packet */
+
+		if (i == 127)	/* Couldn't find. */
+			mp = (u_char *)def_enet_addr;
+		else
+			mp = &eebuf[i + 2];
+	}
 	else
 		mp = (u_char *)def_enet_addr;
 

arch/ppc64/defconfig

 #
 # Automatically generated make config: don't edit
 #
+CONFIG_64BIT=y
 CONFIG_MMU=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_ISA_DMA=y
@@ -14,7 +15,8 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-# CONFIG_BROKEN is not set
+CONFIG_CLEAN_COMPILE=y
+CONFIG_STANDALONE=y
 
 #
 # General setup
@@ -33,6 +35,7 @@ CONFIG_EPOLL=y
 CONFIG_IOSCHED_NOOP=y
 CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 
 #
 # Loadable module support
@@ -51,21 +54,23 @@ CONFIG_OBSOLETE_MODPARM=y
 CONFIG_PPC_PSERIES=y
 CONFIG_PPC=y
 CONFIG_PPC64=y
+CONFIG_ALTIVEC=y
+# CONFIG_POWER4_ONLY is not set
 CONFIG_SMP=y
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_NR_CPUS=32
 # CONFIG_HMT is not set
 # CONFIG_DISCONTIGMEM is not set
-# CONFIG_RTAS_FLASH is not set
-CONFIG_SCANLOG=y
 CONFIG_PPC_RTAS=y
+CONFIG_RTAS_FLASH=m
+CONFIG_SCANLOG=m
+CONFIG_LPARCFG=y
 
 #
 # General setup
 #
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
-CONFIG_KCORE_ELF=y
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 CONFIG_PCI_LEGACY_PROC=y
@@ -74,6 +79,10 @@ CONFIG_PCI_NAMES=y
 CONFIG_PROC_DEVICETREE=y
 # CONFIG_CMDLINE_BOOL is not set
 
+#
+# Device Drivers
+#
+
 #
 # Generic Driver Options
 #
@@ -117,6 +126,7 @@ CONFIG_BLK_DEV_INITRD=y
 # SCSI device support
 #
 CONFIG_SCSI=y
+CONFIG_SCSI_PROC_FS=y
 
 #
 # SCSI support type (disk, tape, CD-ROM)
@@ -145,9 +155,9 @@ CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_AIC7XXX is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
-# CONFIG_SCSI_DPT_I2O is not set
 # CONFIG_SCSI_ADVANSYS is not set
 # CONFIG_SCSI_MEGARAID is not set
+# CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_CPQFCTS is not set
 # CONFIG_SCSI_DMX3191D is not set
@@ -155,18 +165,21 @@ CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
-# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INIA100 is not set
 CONFIG_SCSI_SYM53C8XX_2=y
 CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
 CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
 CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
 # CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
-# CONFIG_SCSI_PCI2000 is not set
-# CONFIG_SCSI_PCI2220I is not set
 # CONFIG_SCSI_QLOGIC_ISP is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
+CONFIG_SCSI_QLA2XXX_CONFIG=y
+CONFIG_SCSI_QLA2XXX=y
+CONFIG_SCSI_QLA21XX=y
+CONFIG_SCSI_QLA22XX=y
+CONFIG_SCSI_QLA23XX=y
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_NSP32 is not set
@@ -181,6 +194,7 @@ CONFIG_MD_LINEAR=y
 CONFIG_MD_RAID0=y
 CONFIG_MD_RAID1=y
 CONFIG_MD_RAID5=y
+# CONFIG_MD_RAID6 is not set
 # CONFIG_MD_MULTIPATH is not set
 CONFIG_BLK_DEV_DM=y
 CONFIG_DM_IOCTL_V4=y
@@ -240,7 +254,9 @@ CONFIG_IPV6_SCTP__=y
 # CONFIG_IP_SCTP is not set
 # CONFIG_ATM is not set
 # CONFIG_VLAN_8021Q is not set
-# CONFIG_LLC is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
 # CONFIG_NET_DIVERT is not set
@@ -268,7 +284,6 @@ CONFIG_DUMMY=m
 CONFIG_BONDING=m
 # CONFIG_EQUALIZER is not set
 CONFIG_TUN=m
-# CONFIG_ETHERTAP is not set
 
 #
 # Ethernet (10 or 100Mbit)
@@ -292,6 +307,7 @@ CONFIG_PCNET32=y
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
 # CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 CONFIG_E100=y
@@ -303,7 +319,6 @@ CONFIG_E100=y
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
-# CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 
 #
@@ -344,10 +359,10 @@ CONFIG_PPPOE=m
 # CONFIG_NET_RADIO is not set
 
 #
-# Token Ring devices (depends on LLC=y)
+# Token Ring devices
 #
+# CONFIG_TR is not set
 # CONFIG_NET_FC is not set
-# CONFIG_RCPCI is not set
 # CONFIG_SHAPER is not set
 
 #
@@ -365,6 +380,11 @@ CONFIG_PPPOE=m
 #
 # CONFIG_IRDA is not set
 
+#
+# Bluetooth support
+#
+# CONFIG_BT is not set
+
 #
 # ISDN subsystem
 #
@@ -433,6 +453,7 @@ CONFIG_HW_CONSOLE=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -444,20 +465,6 @@ CONFIG_UNIX98_PTYS=y
 CONFIG_UNIX98_PTY_COUNT=256
 CONFIG_HVC_CONSOLE=y
 
-#
-# I2C support
-#
-# CONFIG_I2C is not set
-
-#
-# I2C Hardware Sensors Mainboard support
-#
-
-#
-# I2C Hardware Sensors Chip support
-#
-# CONFIG_I2C_SENSOR is not set
-
 #
 # Mice
 #
@@ -483,11 +490,15 @@ CONFIG_HVC_CONSOLE=y
 #
 # Ftape, the floppy tape device driver
 #
-# CONFIG_FTAPE is not set
 # CONFIG_AGP is not set
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=y
-# CONFIG_HANGCHECK_TIMER is not set
+CONFIG_MAX_RAW_DEVS=256
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
 
 #
 # Multimedia devices
@@ -499,6 +510,67 @@ CONFIG_RAW_DRIVER=y
 #
 # CONFIG_DVB is not set
 
+#
+# Graphics support
+#
+CONFIG_FB=y
+# CONFIG_FB_CYBER2000 is not set
+CONFIG_FB_OF=y
+# CONFIG_FB_CT65550 is not set
+# CONFIG_FB_IMSTT is not set
+# CONFIG_FB_S3TRIO is not set
+# CONFIG_FB_VGA16 is not set
+# CONFIG_FB_RIVA is not set
+CONFIG_FB_MATROX=y
+CONFIG_FB_MATROX_MILLENIUM=y
+CONFIG_FB_MATROX_MYSTIQUE=y
+CONFIG_FB_MATROX_G450=y
+CONFIG_FB_MATROX_G100=y
+CONFIG_FB_MATROX_MULTIHEAD=y
+# CONFIG_FB_RADEON is not set
+# CONFIG_FB_ATY128 is not set
+# CONFIG_FB_ATY is not set
+# CONFIG_FB_SIS is not set
+# CONFIG_FB_NEOMAGIC is not set
+# CONFIG_FB_KYRO is not set
+# CONFIG_FB_3DFX is not set
+# CONFIG_FB_VOODOO1 is not set
+# CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+# CONFIG_MDA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_PCI_CONSOLE=y
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+
+#
+# Logo configuration
+#
+CONFIG_LOGO=y
+CONFIG_LOGO_LINUX_MONO=y
+CONFIG_LOGO_LINUX_VGA16=y
+CONFIG_LOGO_LINUX_CLUT224=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+# CONFIG_USB is not set
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_GADGET is not set
+
 #
 # File systems
 #
@@ -551,11 +623,14 @@ CONFIG_VFAT_FS=y
 # Pseudo filesystems
 #
 CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
 # CONFIG_DEVFS_FS is not set
 CONFIG_DEVPTS_FS=y
 CONFIG_DEVPTS_FS_XATTR=y
 # CONFIG_DEVPTS_FS_SECURITY is not set
 CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
 
 #
@@ -580,6 +655,7 @@ CONFIG_CRAMFS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
 CONFIG_NFSD_V4=y
@@ -602,11 +678,11 @@ CONFIG_CIFS=m
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-CONFIG_NLS=y
 
 #
 # Native Language Support
 #
+CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_NLS_CODEPAGE_437 is not set
 # CONFIG_NLS_CODEPAGE_737 is not set
@@ -646,72 +722,6 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # CONFIG_NLS_KOI8_U is not set
 # CONFIG_NLS_UTF8 is not set
 
-#
-# Graphics support
-#
-CONFIG_FB=y
-# CONFIG_FB_CIRRUS is not set
-# CONFIG_FB_PM2 is not set
-# CONFIG_FB_CYBER2000 is not set
-CONFIG_FB_OF=y
-# CONFIG_FB_CT65550 is not set
-# CONFIG_FB_IMSTT is not set
-# CONFIG_FB_S3TRIO is not set
-# CONFIG_FB_VGA16 is not set
-# CONFIG_FB_RIVA is not set
-CONFIG_FB_MATROX=y
-CONFIG_FB_MATROX_MILLENIUM=y
-CONFIG_FB_MATROX_MYSTIQUE=y
-CONFIG_FB_MATROX_G450=y
-CONFIG_FB_MATROX_G100=y
-CONFIG_FB_MATROX_MULTIHEAD=y
-# CONFIG_FB_RADEON is not set
-# CONFIG_FB_ATY128 is not set
-# CONFIG_FB_ATY is not set
-# CONFIG_FB_SIS is not set
-# CONFIG_FB_NEOMAGIC is not set
-# CONFIG_FB_3DFX is not set
-# CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_PM3 is not set
-# CONFIG_FB_VIRTUAL is not set
-
-#
-# Console display driver support
-#
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_MDA_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_PCI_CONSOLE=y
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
-CONFIG_LOGO=y
-CONFIG_LOGO_LINUX_MONO=y
-CONFIG_LOGO_LINUX_VGA16=y
-CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
-# CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB is not set
-# CONFIG_USB_GADGET is not set
-
-#
-# Bluetooth support
-#
-# CONFIG_BT is not set
-
 #
 # Profiling support
 #

arch/ppc64/kernel/asm-offsets.c

@@ -13,6 +13,7 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+#include <linux/config.h>
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>

arch/ppc64/kernel/head.S

@@ -646,12 +646,14 @@ fast_exception_return:
  */
 	.globl DataAccess_common
 DataAccess_common:
+BEGIN_FTR_SECTION
 	mfspr   r22,DAR
 	srdi    r22,r22,60
 	cmpi    0,r22,0xc
 
 	/* Segment fault on a bolted segment. Go off and map that segment. */
 	beq-	.do_stab_bolted
+END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
 stab_bolted_user_return:
 	EXCEPTION_PROLOG_COMMON
 	ld      r3,_DSISR(r1)
@@ -661,10 +663,12 @@ stab_bolted_user_return:
 	rlwinm	r4,r3,32-23,29,29	/* DSISR_STORE -> _PAGE_RW */
 	ld      r3,_DAR(r1)             /* into the hash table */
 
+BEGIN_FTR_SECTION
 	beq+	2f			/* If so handle it */
 	li	r4,0x300                /* Trap number */
 	bl	.do_stab_SI
 	b	1f
+END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
 
 2:	li	r5,0x300
 	bl	.do_hash_page_DSI 	/* Try to handle as hpte fault */
@@ -690,7 +694,7 @@ DataAccessSLB_common:
 	EXCEPTION_PROLOG_COMMON
 	ld      r3,_DAR(r1)
 	li      r4,0x380                /* Exception vector  */
-	bl	.ste_allocate
+	bl	.slb_allocate
 	or.	r3,r3,r3		/* Check return code */
 	beq     fast_exception_return   /* Return if we succeeded */
 	addi	r3,r1,STACK_FRAME_OVERHEAD
@@ -705,12 +709,14 @@ DataAccessSLB_common:
 InstructionAccess_common:
 	EXCEPTION_PROLOG_COMMON
 
+BEGIN_FTR_SECTION
 	andis.	r0,r23,0x0020		/* no ste found? */
 	beq+	2f
 	mr	r3,r22			/* SRR0 at interrupt */
 	li	r4,0x400		/* Trap number       */
 	bl	.do_stab_SI
 	b	1f
+END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
 
 2:	mr	r3,r22
 	li	r5,0x400
@@ -730,7 +736,7 @@ InstructionAccessSLB_common:
 	EXCEPTION_PROLOG_COMMON
 	mr      r3,r22                  /* SRR0 = NIA        */
 	li	r4,0x480                /* Exception vector  */
-	bl	.ste_allocate
+	bl	.slb_allocate
 	or.	r3,r3,r3		/* Check return code */
 	beq+	fast_exception_return   /* Return if we succeeded */
 
@@ -1006,48 +1012,27 @@ _GLOBAL(do_stab_bolted)
  * r20 - r23, SRR0 and SRR1 are saved in the exception frame.
  * We assume we aren't going to take any exceptions during this procedure.
  */
+/* XXX note fix masking in get_kernel_vsid to match */
 _GLOBAL(do_slb_bolted)
-	stw     r23,EX_CCR(r21) /* save CR in exc. frame */
+	stw	r23,EX_CCR(r21)		/* save CR in exc. frame */
 
-	/* (((ea >> 28) & 0x1fff) << 15) | (ea >> 60) */
-	mfspr	r21,DAR
-	rldicl  r20,r21,36,32   /* Permits a full 32b of ESID */
-	rldicr  r20,r20,15,48
-	rldicl  r21,r21,4,60
-	or      r20,r20,r21
-
-	li      r21,9           /* VSID_RANDOMIZER */
-	sldi    r21,r21,32
-	oris    r21,r21,58231
-	ori     r21,r21,39831
-
-	mulld   r20,r20,r21
-	clrldi  r20,r20,28      /* r20 = vsid */
-
-	/* Search the SLB for a free entry */
-	li      r22,1
-1:
-	slbmfee	r23,r22
-	rldicl  r23,r23,37,63
-	cmpwi   r23,0
-	beq     4f              /* Found an invalid entry              */
-
-	addi	r22,r22,1
-	cmpldi	r22,64
-	blt	1b
+	/*
+	 * We take the next entry, round robin. Previously we tried
+	 * to find a free slot first but that took too long. Unfortunately
+	 * we dont have any LRU information to help us choose a slot.
+	 */
 
-	/* No free entry - just take the next entry, round-robin */
-	/* XXX we should get the number of SLB entries from the naca */
+	/* r20 = paca */
+	/* use a cpu feature mask if we ever change our slb size */
 SLB_NUM_ENTRIES = 64
-2:	mfspr	r21,SPRG3
-	ld	r22,PACASTABRR(r21)
-	addi	r23,r22,1
-	cmpdi	r23,SLB_NUM_ENTRIES
-	blt	3f
-	li	r23,1
-3:	std	r23,PACASTABRR(r21)
+1:	ld	r22,PACASTABRR(r20)
+	addi	r21,r22,1
+	cmpdi	r21,SLB_NUM_ENTRIES
+	blt+	2f
+	li	r21,1			/* dont touch bolted slot 0 */
+2:	std	r21,PACASTABRR(r20)
 
-	/* r20 = vsid, r22 = entry */
+	/* r20 = paca, r22 = entry */
 
 	/* 
 	 * Never cast out the segment for our kernel stack. Since we
@@ -1056,48 +1041,86 @@ SLB_NUM_ENTRIES = 64
 	 * which gets invalidated due to a tlbie from another cpu at a
 	 * non recoverable point (after setting srr0/1) - Anton
 	 */
-	slbmfee	r23,r22
-	srdi	r23,r23,28
+	slbmfee	r21,r22
+	srdi	r21,r21,27
 	/*
 	 * This is incorrect (r1 is not the kernel stack) if we entered
 	 * from userspace but there is no critical window from userspace
 	 * so this should be OK. Also if we cast out the userspace stack
 	 * segment while in userspace we will fault it straight back in.
 	 */
-	srdi	r21,r1,28
-	cmpd	r21,r23
-	beq-	2b
-
-	/* Put together the vsid portion of the entry. */
-4:	li      r21,0
-	rldimi  r21,r20,12,0
-	ori     r20,r21,1024
-	ori	r20,r20,128    /* set class bit for kernel region */
-#ifndef CONFIG_PPC_ISERIES
-	ori	r20,r20,256    /* map kernel region with large ptes */
-#endif
+	srdi	r23,r1,27
+	ori	r23,r23,1
+	cmpd	r23,r21
+	beq-	1b
+
+	/* r20 = paca, r22 = entry */
+
+	/* (((ea >> 28) & 0x1fff) << 15) | (ea >> 60) */
+	mfspr	r21,DAR
+	rldicl	r23,r21,36,51
+	sldi	r23,r23,15
+	srdi	r21,r21,60
+	or	r23,r23,r21
+
+	/* VSID_RANDOMIZER */
+	li	r21,9
+	sldi	r21,r21,32
+	oris	r21,r21,58231
+	ori	r21,r21,39831
+
+	/* vsid = (ordinal * VSID_RANDOMIZER) & VSID_MASK */
+	mulld	r23,r23,r21
+	clrldi	r23,r23,28
+
+	/* r20 = paca, r22 = entry, r23 = vsid */
+
+	/* Put together slb word1 */
+	sldi	r23,r23,12
+
+BEGIN_FTR_SECTION
+	/* set kp and c bits */
+	ori	r23,r23,0x480
+END_FTR_SECTION_IFCLR(CPU_FTR_16M_PAGE)
+BEGIN_FTR_SECTION
+	/* set kp, l and c bits */
+	ori	r23,r23,0x580
+END_FTR_SECTION_IFSET(CPU_FTR_16M_PAGE)
+
+	/* r20 = paca, r22 = entry, r23 = slb word1 */
+
+	/* Put together slb word0 */
+	mfspr	r21,DAR
+	rldicr	r21,r21,0,35	/* get the new esid */
+	oris	r21,r21,2048	/* set valid bit */
+	rldimi	r21,r22,0,52	/* insert entry */
 
-	/* Put together the esid portion of the entry. */
-	mfspr	r21,DAR        /* Get the new esid                     */
-	rldicl  r21,r21,36,28  /* Permits a full 36b of ESID           */
-	li      r23,0
-	rldimi  r23,r21,28,0   /* Insert esid  */
-	oris    r21,r23,2048   /* valid bit    */
-	rldimi  r21,r22,0,52   /* Insert entry */
+	/* r20 = paca, r21 = slb word0, r23 = slb word1 */
 
 	/* 
 	 * No need for an isync before or after this slbmte. The exception
 	 * we enter with and the rfid we exit with are context synchronizing .
 	 */
-	slbmte  r20,r21
+	slbmte	r23,r21
 
 	/* All done -- return from exception. */
-	mfsprg  r20,3                   /* Load the PACA pointer  */
-	ld      r21,PACAEXCSP(r20)      /* Get the exception frame pointer */
-	addi    r21,r21,EXC_FRAME_SIZE
+	ld	r21,PACAEXCSP(r20)	/* Get the exception frame pointer */
+	addi	r21,r21,EXC_FRAME_SIZE
 	lwz	r23,EX_CCR(r21)		/* get saved CR */
 	/* note that this is almost identical to maskable_exception_exit */
-	mtcr    r23                     /* restore CR */
+
+	/*
+	 * Until everyone updates binutils hardwire the POWER4 optimised
+	 * single field mtcrf
+	 */
+#if 0
+	.machine	push
+	.machine	"power4"
+	mtcrf	0x80,r23
+	.machine	pop
+#else
+	.long 0x7ef80120
+#endif
 
 	mfmsr	r22
 	li	r23, MSR_RI
@@ -1107,10 +1130,10 @@ SLB_NUM_ENTRIES = 64
 	ld	r22,EX_SRR0(r21)	/* Get SRR0 from exc. frame */
 	ld	r23,EX_SRR1(r21)	/* Get SRR1 from exc. frame */
 	mtspr	SRR0,r22
-	mtspr   SRR1,r23
+	mtspr	SRR1,r23
 	ld	r22,EX_R22(r21)		/* restore r22 and r23 */
 	ld	r23,EX_R23(r21)
-	mfspr	r20,SPRG2
+	ld	r20,EX_R20(r21)
 	mfspr	r21,SPRG1
 	rfid
 

arch/ppc64/kernel/iSeries_VpdInfo.c

@@ -25,6 +25,7 @@
 /*   Ported to ppc64, August 20, 2001                                   */
 /* End Change Activity                                                  */
 /************************************************************************/
+#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <asm/types.h>

arch/ppc64/kernel/lparcfg.c

@@ -5,6 +5,8 @@
  *    Copyright (c) 2003 Dave Engebretsen
  * Will Schmidt willschm@us.ibm.com
  *    SPLPAR updates, Copyright (c) 2003 Will Schmidt IBM Corporation.
+ * Nathan Lynch nathanl@austin.ibm.com
+ *    Added lparcfg_write, Copyright (C) 2004 Nathan Lynch IBM Corporation.
  *
  *      This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
@@ -15,6 +17,7 @@
  * keyword - value pairs that specify the configuration of the partition.
  */
 
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/errno.h>
@@ -33,6 +36,9 @@ static struct proc_dir_entry *proc_ppc64_lparcfg;
 #define LPARCFG_BUFF_SIZE 4096
 
 #ifdef CONFIG_PPC_ISERIES
+
+#define lparcfg_write NULL
+
 static unsigned char e2a(unsigned char x)
 {
         switch (x) {
@@ -326,7 +332,7 @@ static int lparcfg_data(unsigned char *buf, unsigned long size)
 		system_potential_processors =  get_splpar_potential_characteristics();
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
 			      "system_active_processors=%d\n", 
-			      (h_resource >> 2*8) && 0xffff);
+			      (h_resource >> 2*8) & 0xffff);
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
 			      "system_potential_processors=%d\n", 
 			      system_potential_processors);
@@ -367,22 +373,115 @@ static int lparcfg_data(unsigned char *buf, unsigned long size)
 
 	if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) {
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
-			      "pool=%d\n", (h_aggregation >> 0*8)&&0xffff);
+			      "pool=%d\n", (h_aggregation >> 0*8)&0xffff);
 
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
-			      "pool_capacity=%d\n", (h_resource >> 3*8) &&0xffff);
+			      "pool_capacity=%d\n", (h_resource >> 3*8) &0xffff);
 
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
-			      "group=%d\n", (h_aggregation >> 2*8)&&0xffff);
+			      "group=%d\n", (h_aggregation >> 2*8)&0xffff);
 
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
-			      "capped=%d\n", (h_resource >> 6*8)&&0x40);
+			      "capped=%d\n", (h_resource >> 6*8)&0x40);
 
 		n += snprintf(buf+n, LPARCFG_BUFF_SIZE - n, 
 			      "capacity_weight=%d\n", (int)(h_resource>>5*8)&0xFF);
 	}
 	return 0;
 }
+
+/*
+ * Interface for changing system parameters (variable capacity weight
+ * and entitled capacity).  Format of input is "param_name=value";
+ * anything after value is ignored.  Valid parameters at this time are
+ * "partition_entitled_capacity" and "capacity_weight".  We use
+ * H_SET_PPP to alter parameters.
+ *
+ * This function should be invoked only on systems with
+ * FW_FEATURE_SPLPAR.
+ */
+static ssize_t lparcfg_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
+{
+	char *kbuf;
+	char *tmp;
+	u64 new_entitled, *new_entitled_ptr = &new_entitled;
+	u8 new_weight, *new_weight_ptr = &new_weight;
+
+	unsigned long current_entitled;    /* parameters for h_get_ppp */
+	unsigned long dummy;
+	unsigned long resource;
+	u8 current_weight;
+
+	ssize_t retval = -ENOMEM;
+
+	kbuf = kmalloc(count, GFP_KERNEL);
+	if (!kbuf)
+		goto out;
+
+	retval = -EFAULT;
+	if (copy_from_user(kbuf, buf, count))
+		goto out;
+
+	retval = -EINVAL;
+	kbuf[count - 1] = '\0';
+	tmp = strchr(kbuf, '=');
+	if (!tmp)
+		goto out;
+
+	*tmp++ = '\0';
+
+	if (!strcmp(kbuf, "partition_entitled_capacity")) {
+		char *endp;
+		*new_entitled_ptr = (u64)simple_strtoul(tmp, &endp, 10);
+		if (endp == tmp)
+			goto out;
+		new_weight_ptr = &current_weight;
+	} else if (!strcmp(kbuf, "capacity_weight")) {
+		char *endp;
+		*new_weight_ptr = (u8)simple_strtoul(tmp, &endp, 10);
+		if (endp == tmp)
+			goto out;
+		new_entitled_ptr = &current_entitled;
+	} else
+		goto out;
+
+	/* Get our current parameters */
+	retval = h_get_ppp(&current_entitled, &dummy, &dummy, &resource);
+	if (retval) {
+		retval = -EIO;
+		goto out;
+	}
+
+	current_weight = (resource>>5*8)&0xFF;
+
+	pr_debug("%s: current_entitled = %lu, current_weight = %lu\n",
+		 __FUNCTION__, current_entitled, current_weight);
+
+	pr_debug("%s: new_entitled = %lu, new_weight = %lu\n",
+		 __FUNCTION__, *new_entitled_ptr, *new_weight_ptr);
+
+	retval = plpar_hcall_norets(H_SET_PPP, *new_entitled_ptr,
+				    *new_weight_ptr);
+
+	if (retval == H_Success || retval == H_Constrained) {
+		retval = count;
+	} else if (retval == H_Busy) {
+		retval = -EBUSY;
+	} else if (retval == H_Hardware) {
+		retval = -EIO;
+	} else if (retval == H_Parameter) {
+		retval = -EINVAL;
+	} else {
+		printk(KERN_WARNING "%s: received unknown hv return code %ld",
+		       __FUNCTION__, retval);
+		retval = -EIO;
+	}
+
+out:
+	kfree(kbuf);
+	return retval;
+}
+
 #endif /* CONFIG_PPC_PSERIES */
 
 
@@ -442,8 +541,15 @@ struct file_operations lparcfg_fops = {
 int __init lparcfg_init(void)
 {
 	struct proc_dir_entry *ent;
+	mode_t mode = S_IRUSR;
+
+	/* Allow writing if we have FW_FEATURE_SPLPAR */
+	if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) {
+		lparcfg_fops.write = lparcfg_write;
+		mode |= S_IWUSR;
+	}
 
-	ent = create_proc_entry("ppc64/lparcfg", S_IRUSR, NULL);
+	ent = create_proc_entry("ppc64/lparcfg", mode, NULL);
 	if (ent) {
 		ent->proc_fops = &lparcfg_fops;
 		ent->data = kmalloc(LPARCFG_BUFF_SIZE, GFP_KERNEL);

arch/ppc64/kernel/pacaData.c

@@ -41,7 +41,6 @@ struct systemcfg *systemcfg;
 	.xStab_data = {							    \
 		.real = (asrr),		/* Real pointer to segment table */ \
 		.virt = (asrv),		/* Virt pointer to segment table */ \
-		.next_round_robin = 1	/* Round robin index */		    \
 	},								    \
 	.lpQueuePtr = (lpq),		/* &xItLpQueue, */		    \
 	/* .xRtas = {							    \

arch/ppc64/kernel/ppc_ksyms.c

@@ -83,7 +83,7 @@ EXPORT_SYMBOL(__up);
 EXPORT_SYMBOL(naca);
 EXPORT_SYMBOL(__down);
 
-/* EXPORT_SYMBOL(csum_partial); already in net/netsyms.c */
+EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_generic);
 EXPORT_SYMBOL(ip_fast_csum);
 EXPORT_SYMBOL(csum_tcpudp_magic);
@@ -191,12 +191,12 @@ EXPORT_SYMBOL(find_all_nodes);
 EXPORT_SYMBOL(get_property);
 #endif
 
-
 EXPORT_SYMBOL_NOVERS(memcpy);
 EXPORT_SYMBOL_NOVERS(memset);
 EXPORT_SYMBOL_NOVERS(memmove);
 EXPORT_SYMBOL_NOVERS(memscan);
 EXPORT_SYMBOL_NOVERS(memcmp);
+EXPORT_SYMBOL_NOVERS(memchr);
 
 EXPORT_SYMBOL(abs);
 

arch/ppc64/kernel/proc_ppc64.c

@@ -27,6 +27,7 @@
  * End Change Activity 
  */
 
+#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/proc_fs.h>

arch/ppc64/kernel/process.c

@@ -151,7 +151,31 @@ struct task_struct *__switch_to(struct task_struct *prev,
 
 	local_irq_save(flags);
 	last = _switch(old_thread, new_thread);
+
+	/*
+	 * force our kernel stack out of the ERAT and SLB, this is to
+	 * avoid the race where we it hangs around in the ERAT but not the
+	 * SLB and the ERAT gets invalidated at just the wrong moment by
+	 * another CPU doing a tlbie.
+	 *
+	 * We definitely dont want to flush our bolted segment, so check
+	 * for that first.
+	 */
+	if ((cur_cpu_spec->cpu_features & CPU_FTR_SLB) &&
+	    GET_ESID((unsigned long)_get_SP()) != GET_ESID(PAGE_OFFSET)) {
+		union {
+			unsigned long word0;
+			slb_dword0 data;
+		} esid_data;
+
+		esid_data.word0 = 0;
+		/* class bit is in valid field for slbie instruction */
+		esid_data.data.v = 1;
+		esid_data.data.esid = GET_ESID((unsigned long)_get_SP());
+		asm volatile("isync; slbie %0; isync" : : "r" (esid_data));
+	}
 	local_irq_restore(flags);
+
 	return last;
 }
 

arch/ppc64/kernel/prom.c

@@ -2560,6 +2560,7 @@ int of_remove_node(struct device_node *np)
 	return 0;
 }
 
+#ifdef CONFIG_PROC_DEVICETREE
 /*
  * Add a node to /proc/device-tree.
  */
@@ -2592,6 +2593,17 @@ static void remove_node_proc_entries(struct device_node *np)
 	if (np->pde)
 		remove_proc_entry(np->pde->name, parent->pde);
 }
+#else /* !CONFIG_PROC_DEVICETREE */
+static void add_node_proc_entries(struct device_node *np)
+{
+	return;
+}
+
+static void remove_node_proc_entries(struct device_node *np)
+{
+	return;
+}
+#endif /* CONFIG_PROC_DEVICETREE */
 
 /*
  * Fix up the uninitialized fields in a new device node:

arch/ppc64/kernel/rtas_flash.c

@@ -14,8 +14,6 @@
  */
 
 #include <linux/module.h>
-
-#include <linux/config.h>
 #include <linux/init.h>
 #include <asm/proc_fs.h>
 #include <asm/delay.h>

arch/ppc64/kernel/setup.c

@@ -38,6 +38,7 @@
 #include <asm/paca.h>
 #include <asm/ppcdebug.h>
 #include <asm/time.h>
+#include <asm/cputable.h>
 #include <asm/sections.h>
 
 extern unsigned long klimit;
@@ -430,8 +431,58 @@ void parse_cmd_line(unsigned long r3, unsigned long r4, unsigned long r5,
 	}
 }
 
-
 #ifdef CONFIG_PPC_PSERIES
+static int __init set_preferred_console(void)
+{
+	struct device_node *prom_stdout;
+	char *name;
+
+	/* The user has requested a console so this is already set up. */
+	if (strstr(cmd_line, "console="))
+		return -EBUSY;
+
+	prom_stdout = find_path_device(of_stdout_device);
+	if (!prom_stdout)
+		return -ENODEV;
+
+	name = (char *)get_property(prom_stdout, "name", NULL);
+	if (!name)
+		return -ENODEV;
+
+	if (strcmp(name, "serial") == 0) {
+		int i;
+		u32 *reg = (u32 *)get_property(prom_stdout, "reg", &i);
+		if (i > 8) {
+			int offset;
+			switch (reg[1]) {
+				case 0x3f8:
+					offset = 0;
+					break;
+				case 0x2f8:
+					offset = 1;
+					break;
+				case 0x898:
+					offset = 2;
+					break;
+				case 0x890:
+					offset = 3;
+					break;
+				default:
+					/* We dont recognise the serial port */
+					return -ENODEV;
+			}
+
+			return add_preferred_console("ttyS", offset, NULL);
+		}
+	} else if (strcmp(name, "vty") == 0) {
+		/* pSeries LPAR virtual console */
+		return add_preferred_console("hvc", 0, NULL);
+	}
+
+	return -ENODEV;
+}
+console_initcall(set_preferred_console);
+
 int parse_bootinfo(void)
 {
 	struct bi_record *rec;

arch/ppc64/kernel/signal.c

@@ -14,6 +14,7 @@
  *  2 of the License, or (at your option) any later version.
  */
 
+#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/smp.h>

arch/ppc64/kernel/signal32.c

@@ -14,6 +14,7 @@
  *      2 of the License, or (at your option) any later version.
  */
 
+#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/mm.h> 
 #include <linux/smp.h>

arch/ppc64/kernel/sys_ppc32.c

@@ -14,6 +14,7 @@
  *      2 of the License, or (at your option) any later version.
  */
 
+#include <linux/config.h>
 #include <asm/ptrace.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -2845,6 +2846,7 @@ long ppc32_timer_create(clockid_t clock,
 		return -EFAULT;
 
 	savefs = get_fs();
+	set_fs(KERNEL_DS);
 	err = sys_timer_create(clock, &event, &t);
 	set_fs(savefs);
 

arch/ppc64/kernel/viopath.c

@@ -28,7 +28,6 @@
  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  */
-#include <linux/config.h>
 #include <asm/uaccess.h>
 #include <linux/module.h>
 #include <linux/kernel.h>

arch/ppc64/mm/hash_low.S

@@ -10,7 +10,6 @@
  * described in the kernel's COPYING file.
  */
 
-#include <linux/config.h>
 #include <asm/processor.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>

arch/ppc64/mm/hugetlbpage.c

@@ -7,7 +7,6 @@
  * Copyright (C) 2002, Rohit Seth <rohit.seth@intel.com>
  */
 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
@@ -655,10 +654,9 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 	unsigned long hpteflags, prpn, flags;
 	long slot;
 
-	ea &= ~(HPAGE_SIZE-1);
-
 	/* We have to find the first hugepte in the batch, since
 	 * that's the one that will store the HPTE flags */
+	ea &= HPAGE_MASK;
 	ptep = hugepte_offset(mm, ea);
 
 	/* Search the Linux page table for a match with va */
@@ -886,10 +884,11 @@ static int __init hugetlb_init(void)
 			spin_unlock(&htlbpage_lock);
 		}
 		htlbpage_max = htlbpage_free = htlbpage_total = i;
-		printk("Total HugeTLB memory allocated, %d\n", htlbpage_free);
+		printk(KERN_INFO "Total HugeTLB memory allocated, %d\n",
+		       htlbpage_free);
 	} else {
 		htlbpage_max = 0;
-		printk("CPU does not support HugeTLB\n");
+		printk(KERN_INFO "CPU does not support HugeTLB\n");
 	}
 
 	return 0;

arch/ppc64/xmon/start.c

@@ -6,8 +6,10 @@
  *      as published by the Free Software Foundation; either version
  *      2 of the License, or (at your option) any later version.
  */
+#include <linux/config.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
+#include <linux/errno.h>
 #include <linux/sysrq.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
@@ -28,11 +30,14 @@ static inline unsigned int readtb(void)
 	return ret;
 }
 
+#ifdef CONFIG_MAGIC_SYSRQ
+
 static void sysrq_handle_xmon(int key, struct pt_regs *pt_regs,
 			      struct tty_struct *tty) 
 {
 	xmon(pt_regs);
 }
+
 static struct sysrq_key_op sysrq_xmon_op = 
 {
 	.handler =	sysrq_handle_xmon,
@@ -40,11 +45,15 @@ static struct sysrq_key_op sysrq_xmon_op =
 	.action_msg =	"Entering xmon\n",
 };
 
+#endif /* CONFIG_MAGIC_SYSRQ */
+
 void
 xmon_map_scc(void)
 {
+#ifdef CONFIG_MAGIC_SYSRQ
 	/* This maybe isn't the best place to register sysrq 'x' */
 	__sysrq_put_key_op('x', &sysrq_xmon_op);
+#endif /* CONFIG_MAGIC_SYSRQ */
 }
 
 int

arch/s390/Makefile

@@ -70,3 +70,8 @@ include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
 	$(call filechk,gen-asm-offsets)
 
 CLEAN_FILES += include/asm-$(ARCH)/offsets.h
+
+# Don't use tabs in echo arguments
+define archhelp
+  echo  '* image           - Kernel image for IPL ($(boot)/image)'
+endef

arch/s390/defconfig

@@ -147,6 +147,7 @@ CONFIG_MD_LINEAR=m
 CONFIG_MD_RAID0=m
 CONFIG_MD_RAID1=m
 CONFIG_MD_RAID5=m
+# CONFIG_MD_RAID6 is not set
 CONFIG_MD_MULTIPATH=m
 # CONFIG_BLK_DEV_DM is not set
 

arch/s390/kernel/compat_linux.c

@@ -1912,7 +1912,8 @@ do_execve32(char * filename, u32 * argv, u32 * envp, struct pt_regs * regs)
 		security_bprm_free(&bprm);
 
 out_mm:
-	mmdrop(bprm.mm);
+	if (bprm.mm)
+		mmdrop(bprm.mm);
 
 out_file:
 	if (bprm.file) {

arch/s390/kernel/s390_ksyms.c

@@ -9,6 +9,7 @@
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
+#include <linux/ioctl32.h>
 #include <asm/checksum.h>
 #include <asm/cpcmd.h>
 #include <asm/delay.h>
@@ -74,4 +75,5 @@ EXPORT_SYMBOL(console_device);
 EXPORT_SYMBOL_NOVERS(do_call_softirq);
 EXPORT_SYMBOL(sys_wait4);
 EXPORT_SYMBOL(cpcmd);
+EXPORT_SYMBOL(sys_ioctl);
 

arch/s390/mm/init.c

@@ -79,8 +79,6 @@ extern unsigned long __init_end;
  * paging_init() sets up the page tables
  */
 
-unsigned long last_valid_pfn;
-
 #ifndef CONFIG_ARCH_S390X
 void __init paging_init(void)
 {

drivers/md/raid6x86.h

@@ -32,18 +32,20 @@ typedef struct {
 /* N.B.: For SSE we only save %xmm0-%xmm7 even for x86-64, since
    the code doesn't know about the additional x86-64 registers */
 typedef struct {
-	unsigned int sarea[8*4];
-	unsigned int cr0;
+	unsigned int sarea[8*4+2];
+	unsigned long cr0;
 } raid6_sse_save_t __attribute__((aligned(16)));
 
 /* This is for x86-64-specific code which uses all 16 XMM registers */
 typedef struct {
-	unsigned int sarea[16*4];
+	unsigned int sarea[16*4+2];
 	unsigned long cr0;
 } raid6_sse16_save_t __attribute__((aligned(16)));
 
-/* On x86-64 the stack is 16-byte aligned */
-#define SAREA(x) (x->sarea)
+/* On x86-64 the stack *SHOULD* be 16-byte aligned, but currently this
+   is buggy in the kernel and it's only 8-byte aligned in places, so
+   we need to do this anyway.  Sigh. */
+#define SAREA(x) ((unsigned int *)((((unsigned long)&(x)->sarea)+15) & ~15))
 
 #else /* __i386__ */
 
@@ -60,6 +62,7 @@ typedef struct {
 	unsigned long cr0;
 } raid6_sse_save_t;
 
+/* Find the 16-byte aligned save area */
 #define SAREA(x) ((unsigned int *)((((unsigned long)&(x)->sarea)+15) & ~15))
 
 #endif

drivers/s390/char/sclp.c

@@ -315,8 +315,9 @@ sclp_interrupt_handler(struct pt_regs *regs, __u16 code)
 	/* Head queue a read sccb if an event buffer is pending */
 	if (evbuf_pending)
 		__sclp_unconditional_read();
-	/* Now clear the running bit */
-	clear_bit(SCLP_RUNNING, &sclp_status);
+	/* Now clear the running bit if SCLP indicated a finished SCCB */
+	if (finished_sccb != 0U)
+		clear_bit(SCLP_RUNNING, &sclp_status);
 	spin_unlock(&sclp_lock);
 	/* and start next request on the queue */
 	sclp_start_request();

drivers/s390/char/sclp_con.c

@@ -149,7 +149,8 @@ sclp_console_write(struct console *console, const char *message,
 		count -= written;
 	} while (count > 0);
 	/* Setup timer to output current console buffer after 1/10 second */
-	if (sclp_conbuf != NULL && !timer_pending(&sclp_con_timer)) {
+	if (sclp_conbuf != NULL && sclp_chars_in_buffer(sclp_conbuf) != 0 &&
+	    !timer_pending(&sclp_con_timer)) {
 		init_timer(&sclp_con_timer);
 		sclp_con_timer.function = sclp_console_timeout;
 		sclp_con_timer.data = 0UL;

drivers/s390/char/sclp_rw.c

@@ -274,7 +274,7 @@ sclp_write(struct sclp_buffer *buffer, const unsigned char *msg, int count)
 			if (buffer->current_line != NULL)
 				sclp_finalize_mto(buffer);
 			/* skip the rest of the message including the 0 byte */
-			i_msg = count;
+			i_msg = count - 1;
 			break;
 		default:	/* no escape character	*/
 			/* do not output unprintable characters */

drivers/s390/char/sclp_tty.c

@@ -18,6 +18,7 @@
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <asm/uaccess.h>
 
 #include "ctrlchar.h"
@@ -337,8 +338,11 @@ sclp_tty_write_string(const unsigned char *str, int count)
 		if (sclp_ttybuf == NULL) {
 			while (list_empty(&sclp_tty_pages)) {
 				spin_unlock_irqrestore(&sclp_tty_lock, flags);
-				wait_event(sclp_tty_waitq,
-					   !list_empty(&sclp_tty_pages));
+				if (in_interrupt())
+					sclp_sync_wait();
+				else
+					wait_event(sclp_tty_waitq,
+						!list_empty(&sclp_tty_pages));
 				spin_lock_irqsave(&sclp_tty_lock, flags);
 			}
 			page = sclp_tty_pages.next;
@@ -366,7 +370,9 @@ sclp_tty_write_string(const unsigned char *str, int count)
 	} while (count > 0);
 	/* Setup timer to output current console buffer after 1/10 second */
 	if (sclp_ioctls.final_nl) {
-		if (sclp_ttybuf != NULL && !timer_pending(&sclp_tty_timer)) {
+		if (sclp_ttybuf != NULL &&
+		    sclp_chars_in_buffer(sclp_ttybuf) != 0 &&
+		    !timer_pending(&sclp_tty_timer)) {
 			init_timer(&sclp_tty_timer);
 			sclp_tty_timer.function = sclp_tty_timeout;
 			sclp_tty_timer.data = 0UL;
@@ -374,8 +380,14 @@ sclp_tty_write_string(const unsigned char *str, int count)
 			add_timer(&sclp_tty_timer);
 		}
 	} else {
-		__sclp_ttybuf_emit(sclp_ttybuf);
-		sclp_ttybuf = NULL;
+		if (sclp_ttybuf != NULL &&
+		    sclp_chars_in_buffer(sclp_ttybuf) != 0) {
+			buf = sclp_ttybuf;
+			sclp_ttybuf = NULL;
+			spin_unlock_irqrestore(&sclp_tty_lock, flags);
+			__sclp_ttybuf_emit(buf);
+			spin_lock_irqsave(&sclp_tty_lock, flags);
+		}
 	}
 	spin_unlock_irqrestore(&sclp_tty_lock, flags);
 }
@@ -471,7 +483,7 @@ sclp_tty_chars_in_buffer(struct tty_struct *tty)
 		count = sclp_chars_in_buffer(sclp_ttybuf);
 	list_for_each(l, &sclp_tty_outqueue) {
 		t = list_entry(l, struct sclp_buffer, list);
-		count += sclp_chars_in_buffer(sclp_ttybuf);
+		count += sclp_chars_in_buffer(t);
 	}
 	spin_unlock_irqrestore(&sclp_tty_lock, flags);
 	return count;

drivers/s390/cio/device.c

@@ -908,3 +908,4 @@ EXPORT_SYMBOL(ccw_driver_register);
 EXPORT_SYMBOL(ccw_driver_unregister);
 EXPORT_SYMBOL(get_ccwdev_by_busid);
 EXPORT_SYMBOL(ccw_bus_type);
+EXPORT_SYMBOL(ccw_device_work);

drivers/s390/net/ctctty.c

 /*
- * $Id: ctctty.c,v 1.14 2003/10/06 11:33:33 mschwide Exp $
+ * $Id: ctctty.c,v 1.15 2004/01/26 10:21:01 mschwide Exp $
  *
  * CTC / ESCON network driver, tty interface.
  *
@@ -759,9 +759,7 @@ ctc_tty_ioctl(struct tty_struct *tty, struct file *file,
 			       info->line);
 #endif
 			error = put_user(C_CLOCAL(tty) ? 1 : 0, (ulong *) arg);
-			if (error)
-				return error;
-			return 0;
+			return error;
 		case TIOCSSOFTCAR:
 #ifdef CTC_DEBUG_MODEM_IOCTL
 			printk(KERN_DEBUG "%s%d ioctl TIOCSSOFTCAR\n", CTC_TTY_NAME,

drivers/usb/host/ehci-hub.c

@@ -113,7 +113,7 @@ ehci_hub_descriptor (
 	u16		temp;
 
 	desc->bDescriptorType = 0x29;
-	desc->bPwrOn2PwrGood = 0;	/* FIXME: f(system power) */
+	desc->bPwrOn2PwrGood = 10;	/* FIXME: f(system power) */
 	desc->bHubContrCurrent = 0;
 
 	desc->bNbrPorts = ports;

include/asm-ppc/todc.h

@@ -290,8 +290,8 @@ typedef struct {
 #define	TODC_TYPE_MC146818_SECONDS		0x00
 #define	TODC_TYPE_MC146818_CNTL_B		0x0a
 #define	TODC_TYPE_MC146818_CNTL_A		0x0b	/* control_a R/W regs */
-#define	TODC_TYPE_MC146818_WATCHDOG		0x0c
-#define	TODC_TYPE_MC146818_INTERRUPTS		0x0d
+#define	TODC_TYPE_MC146818_WATCHDOG		0
+#define	TODC_TYPE_MC146818_INTERRUPTS		0x0c
 #define	TODC_TYPE_MC146818_ALARM_DATE		0xff
 #define	TODC_TYPE_MC146818_ALARM_HOUR		0x05
 #define	TODC_TYPE_MC146818_ALARM_MINUTES	0x03

include/asm-ppc64/bugs.h

@@ -3,6 +3,10 @@
  * bugs.
  *
  */
+#ifndef _ASM_PPC64_BUGS_H
+#define _ASM_PPC64_BUGS_H
 
 static void check_bugs(void) {
 }
+
+#endif /* _ASM_PPC64_BUGS_H */

include/asm-ppc64/cputable.h

@@ -15,6 +15,8 @@
 #ifndef __ASM_PPC_CPUTABLE_H
 #define __ASM_PPC_CPUTABLE_H
 
+#include <linux/config.h>
+
 /* Exposed to userland CPU features - Must match ppc32 definitions */
 #define PPC_FEATURE_32			0x80000000
 #define PPC_FEATURE_64			0x40000000
@@ -133,10 +135,17 @@ extern firmware_feature_t firmware_features_table[];
 #define COMMON_USER_PPC64	(PPC_FEATURE_32 | PPC_FEATURE_64 | \
 			         PPC_FEATURE_HAS_FPU | PPC_FEATURE_HAS_MMU)
 
-#define CPU_FTR_PPCAS_ARCH_V2   (CPU_FTR_SLB | CPU_FTR_16M_PAGE | \
+#define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
                                  CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
                                  CPU_FTR_NODSISRALIGN)
 
+/* iSeries doesn't support large pages */
+#ifdef CONFIG_PPC_ISERIES
+#define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_PPCAS_ARCH_V2_BASE)
+#else
+#define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE)
+#endif
+
 #define COMMON_PPC64_FW	(0)
 #endif
 

include/asm-ppc64/hvcall.h

+#ifndef _PPC64_HVCALL_H
+#define _PPC64_HVCALL_H
 
 #define H_Success	0
 #define H_Busy		1	/* Hardware busy -- retry later */
+#define H_Constrained	4	/* Resource request constrained to max allowed */
 #define H_Hardware	-1	/* Hardware error */
 #define H_Function	-2	/* Function not supported */
 #define H_Privilege	-3	/* Caller not privileged */
@@ -138,3 +141,4 @@ long plpar_hcall_4out(unsigned long opcode,
 		      unsigned long *out3,
 		      unsigned long *out4);
 
+#endif /* _PPC64_HVCALL_H */

include/asm-ppc64/mmu.h

@@ -13,6 +13,7 @@
 #ifndef _PPC64_MMU_H_
 #define _PPC64_MMU_H_
 
+#include <linux/config.h>
 #include <asm/page.h>
 
 #ifndef __ASSEMBLY__
@@ -26,14 +27,6 @@ typedef unsigned long mm_context_t;
 #define CONTEXT_LOW_HPAGES	0
 #endif
 
-/*
- * Define the size of the cache used for segment table entries.  The first
- * entry is used as a cache pointer, therefore the actual number of entries
- * stored is one less than defined here.  Do not change this value without
- * considering the impact it will have on the layout of the paca in paca.h.
- */
-#define STAB_CACHE_SIZE 16
-
 /*
  * Hardware Segment Lookaside Buffer Entry
  * This structure has been padded out to two 64b doublewords (actual SLBE's are

include/asm-ppc64/mmu_context.h

 #ifndef __PPC64_MMU_CONTEXT_H
 #define __PPC64_MMU_CONTEXT_H
 
+#include <linux/config.h>
 #include <linux/spinlock.h>	
 #include <linux/kernel.h>	
 #include <linux/mm.h>	
@@ -138,6 +139,7 @@ destroy_context(struct mm_struct *mm)
 }
 
 extern void flush_stab(struct task_struct *tsk, struct mm_struct *mm);
+extern void flush_slb(struct task_struct *tsk, struct mm_struct *mm);
 
 /*
  * switch_mm is the entry point called from the architecture independent
@@ -153,7 +155,15 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
 	 : : );
 #endif /* CONFIG_ALTIVEC */
-	flush_stab(tsk, next);
+
+	/* No need to flush userspace segments if the mm doesnt change */
+	if (prev == next)
+		return;
+
+	if (cur_cpu_spec->cpu_features & CPU_FTR_SLB)
+		flush_slb(tsk, next);
+	else
+		flush_stab(tsk, next);
 	cpu_set(smp_processor_id(), next->cpu_vm_mask);
 }
 

include/asm-ppc64/paca.h

@@ -63,20 +63,15 @@ struct paca_struct {
 	u16 xPacaIndex;			/* Logical processor number		0x18 */
         u16 xHwProcNum;                 /* Physical processor number            0x1A */
 	u32 default_decr;		/* Default decrementer value		0x1c */	
-	u64 unused1;
-	u64 xKsave;			/* Saved Kernel stack addr or zero	0x28 */
-	u64 pvr;			/* Processor version register		0x30 */
-	u8 *exception_sp;		/*					0x38 */
-
-	struct ItLpQueue *lpQueuePtr;	/* LpQueue handled by this processor    0x40 */
-	u64  xTOC;			/* Kernel TOC address			0x48 */
-	STAB xStab_data;		/* Segment table information		0x50,0x58,0x60 */
-	u8 xSegments[STAB_CACHE_SIZE];	/* Cache of used stab entries		0x68,0x70 */
-	u8 xProcEnabled;		/* 1=soft enabled			0x78 */
-	u8 unused2;
-	u8 prof_enabled;		/* 1=iSeries profiling enabled          0x7A */
-	u8 stab_cache_pointer;	
-	u8 resv1[4];			/*					0x7B-0x7F */
+	u64 xKsave;			/* Saved Kernel stack addr or zero	0x20 */
+	u64 pvr;			/* Processor version register		0x28 */
+	struct ItLpQueue *lpQueuePtr;	/* LpQueue handled by this processor    0x30 */
+	u64  xTOC;			/* Kernel TOC address			0x38 */
+	STAB xStab_data;		/* Segment table information		0x40,0x48,0x50 */
+	u8 *exception_sp;		/*                                      0x58 */
+	u8 xProcEnabled;		/*                                      0x59 */
+	u8 prof_enabled;		/* 1=iSeries profiling enabled          0x60 */
+	u8 resv1[30];			/*					0x61-0x7F */
 
 /*=====================================================================================
  * CACHE_LINE_2 0x0080 - 0x00FF

include/asm-ppc64/percpu.h

-#ifndef __ARCH_I386_PERCPU__
-#define __ARCH_I386_PERCPU__
+#ifndef __ARCH_PPC64_PERCPU__
+#define __ARCH_PPC64_PERCPU__
 
 #include <asm-generic/percpu.h>
 
-#endif /* __ARCH_I386_PERCPU__ */
+#endif /* __ARCH_PPC64_PERCPU__ */

include/asm-ppc64/pgtable.h

@@ -7,6 +7,7 @@
  */
 
 #ifndef __ASSEMBLY__
+#include <linux/config.h>
 #include <linux/stddef.h>
 #include <asm/processor.h>		/* For TASK_SIZE */
 #include <asm/mmu.h>

include/asm-ppc64/ppc_asm.h

@@ -11,6 +11,8 @@
  *  2 of the License, or (at your option) any later version.
  */
 
+#ifndef _PPC64_PPC_ASM_H
+#define _PPC64_PPC_ASM_H
 /*
  * Macros for storing registers into and loading registers from
  * exception frames.
@@ -238,3 +240,5 @@
 #define	vr29	29
 #define	vr30	30
 #define	vr31	31
+
+#endif /* _PPC64_PPC_ASM_H */

include/asm-ppc64/processor.h

@@ -12,6 +12,7 @@
 
 #include <linux/stringify.h>
 #ifndef __ASSEMBLY__
+#include <linux/config.h>
 #include <asm/atomic.h>
 #include <asm/ppcdebug.h>
 #include <asm/a.out.h>

include/asm-ppc64/ptrace-common.h

@@ -9,6 +9,8 @@
  * this archive for more details.
  */
 
+#ifndef _PPC64_PTRACE_COMMON_H
+#define _PPC64_PTRACE_COMMON_H
 /*
  * Set of msr bits that gdb can change on behalf of a process.
  */
@@ -64,3 +66,5 @@ static inline void clear_single_step(struct task_struct *task)
 	if (regs != NULL)
 		regs->msr &= ~MSR_SE;
 }
+
+#endif /* _PPC64_PTRACE_COMMON_H */

include/asm-ppc64/serial.h

 /*
- * include/asm-ppc/serial.h
+ * include/asm-ppc64/serial.h
  */
+#ifndef _PPC64_SERIAL_H
+#define _PPC64_SERIAL_H
 
 #include <linux/config.h>
 
@@ -124,3 +126,5 @@
 	EXTRA_SERIAL_PORT_DEFNS		\
 	HUB6_SERIAL_PORT_DFNS		\
 	MCA_SERIAL_PORT_DFNS
+
+#endif /* _PPC64_SERIAL_H */

include/asm-s390/atomic.h

 #ifndef __ARCH_S390_ATOMIC__
 #define __ARCH_S390_ATOMIC__
 
-#ifdef __KERNEL__
 /*
  *  include/asm-s390/atomic.h
  *
@@ -27,6 +26,8 @@ typedef struct {
 } __attribute__ ((aligned (4))) atomic_t;
 #define ATOMIC_INIT(i)  { (i) }
 
+#ifdef __KERNEL__
+
 #define __CS_LOOP(ptr, op_val, op_string) ({				\
 	typeof(ptr->counter) old_val, new_val;				\
         __asm__ __volatile__("   l     %0,0(%3)\n"			\
@@ -35,8 +36,10 @@ typedef struct {
                              "   cs    %0,%1,0(%3)\n"			\
                              "   jl    0b"				\
                              : "=&d" (old_val), "=&d" (new_val),	\
-			       "+m" (((atomic_t *)(ptr))->counter)	\
-			     : "a" (ptr), "d" (op_val) : "cc" );	\
+			       "=m" (((atomic_t *)(ptr))->counter)	\
+			     : "a" (ptr), "d" (op_val),			\
+			       "m" (((atomic_t *)(ptr))->counter)	\
+			     : "cc", "memory" );			\
 	new_val;							\
 })
 #define atomic_read(v)          ((v)->counter)
@@ -106,8 +109,10 @@ typedef struct {
                              "   csg   %0,%1,0(%3)\n"			\
                              "   jl    0b"				\
                              : "=&d" (old_val), "=&d" (new_val),	\
-			       "+m" (((atomic_t *)(ptr))->counter)	\
-			     : "a" (ptr), "d" (op_val) : "cc" );	\
+			       "=m" (((atomic_t *)(ptr))->counter)	\
+			     : "a" (ptr), "d" (op_val),			\
+			       "m" (((atomic_t *)(ptr))->counter)	\
+			     : "cc", "memory" );			\
 	new_val;							\
 })
 #define atomic64_read(v)          ((v)->counter)
@@ -182,9 +187,9 @@ atomic_compare_and_swap(int expected_oldval,int new_val,atomic_t *v)
                 "  ipm  %0\n"
                 "  srl  %0,28\n"
                 "0:"
-                : "=&d" (retval), "+m" (v->counter)
-                : "a" (v), "d" (expected_oldval) , "d" (new_val)
-                : "cc" );
+                : "=&d" (retval), "=m" (v->counter)
+                : "a" (v), "d" (expected_oldval) , "d" (new_val),
+		  "m" (v->counter) : "cc", "memory" );
         return retval;
 }
 

include/asm-s390/bitops.h

@@ -13,6 +13,7 @@
  *
  */
 #include <linux/config.h>
+#include <linux/compiler.h>
 
 /*
  * 32 bit bitops format:
@@ -109,6 +110,8 @@ extern const char _sb_findmap[];
 
 #endif /* __s390x__ */
 
+#define __BITOPS_BARRIER() __asm__ __volatile__ ( "" : : : "memory" )
+
 #ifdef CONFIG_SMP
 /*
  * SMP safe set_bit routine based on compare and swap (CS)
@@ -189,6 +192,7 @@ test_and_set_bit_cs(unsigned long nr, volatile unsigned long *ptr)
 	mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1));
 	/* Do the atomic update. */
 	__BITOPS_LOOP(old, new, addr, mask, __BITOPS_OR);
+	__BITOPS_BARRIER();
 	return (old & mask) != 0;
 }
 
@@ -211,6 +215,7 @@ test_and_clear_bit_cs(unsigned long nr, volatile unsigned long *ptr)
 	mask = ~(1UL << (nr & (__BITOPS_WORDSIZE - 1)));
 	/* Do the atomic update. */
 	__BITOPS_LOOP(old, new, addr, mask, __BITOPS_AND);
+	__BITOPS_BARRIER();
 	return (old ^ new) != 0;
 }
 
@@ -233,6 +238,7 @@ test_and_change_bit_cs(unsigned long nr, volatile unsigned long *ptr)
 	mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1));
 	/* Do the atomic update. */
 	__BITOPS_LOOP(old, new, addr, mask, __BITOPS_XOR);
+	__BITOPS_BARRIER();
 	return (old & mask) != 0;
 }
 #endif /* CONFIG_SMP */
@@ -435,7 +441,7 @@ test_and_set_bit_simple(unsigned long nr, volatile unsigned long *ptr)
         asm volatile("oc 0(1,%1),0(%2)"
 		     : "=m" (*(char *) addr)
 		     : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
-		       "m" (*(char *) addr) : "cc" );
+		       "m" (*(char *) addr) : "cc", "memory" );
 	return (ch >> (nr & 7)) & 1;
 }
 #define __test_and_set_bit(X,Y)		test_and_set_bit_simple(X,Y)
@@ -454,7 +460,7 @@ test_and_clear_bit_simple(unsigned long nr, volatile unsigned long *ptr)
         asm volatile("nc 0(1,%1),0(%2)"
 		     : "=m" (*(char *) addr)
 		     : "a" (addr), "a" (_ni_bitmap + (nr & 7)),
-		       "m" (*(char *) addr) : "cc" );
+		       "m" (*(char *) addr) : "cc", "memory" );
 	return (ch >> (nr & 7)) & 1;
 }
 #define __test_and_clear_bit(X,Y)	test_and_clear_bit_simple(X,Y)
@@ -473,7 +479,7 @@ test_and_change_bit_simple(unsigned long nr, volatile unsigned long *ptr)
         asm volatile("xc 0(1,%1),0(%2)"
 		     : "=m" (*(char *) addr)
 		     : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
-		       "m" (*(char *) addr) : "cc" );
+		       "m" (*(char *) addr) : "cc", "memory" );
 	return (ch >> (nr & 7)) & 1;
 }
 #define __test_and_change_bit(X,Y)	test_and_change_bit_simple(X,Y)
@@ -681,59 +687,6 @@ find_next_bit (unsigned long * addr, int size, int offset)
         return (offset + res);
 }
 
-/*
- * ffz = Find First Zero in word. Undefined if no zero exists,
- * so code should check against ~0UL first..
- */
-static inline unsigned long ffz(unsigned long word)
-{
-	unsigned long reg;
-        int result;
-
-        __asm__("   slr  %0,%0\n"
-                "   lhi  %2,0xff\n"
-                "   tml  %1,0xffff\n"
-                "   jno  0f\n"
-                "   ahi  %0,16\n"
-                "   srl  %1,16\n"
-                "0: tml  %1,0x00ff\n"
-                "   jno  1f\n"
-                "   ahi  %0,8\n"
-                "   srl  %1,8\n"
-                "1: nr   %1,%2\n"
-                "   ic   %1,0(%1,%3)\n"
-                "   alr  %0,%1"
-                : "=&d" (result), "+a" (word), "=&d" (reg)
-                : "a" (&_zb_findmap) : "cc" );
-        return result;
-}
-
-/*
- * __ffs = find first bit in word. Undefined if no bit exists,
- * so code should check against 0UL first..
- */
-static inline unsigned long __ffs (unsigned long word)
-{
-	unsigned long reg, result;
-
-        __asm__("   slr  %0,%0\n"
-                "   lhi  %2,0xff\n"
-                "   tml  %1,0xffff\n"
-                "   jnz  0f\n"
-                "   ahi  %0,16\n"
-                "   srl  %1,16\n"
-                "0: tml  %1,0x00ff\n"
-                "   jnz  1f\n"
-                "   ahi  %0,8\n"
-                "   srl  %1,8\n"
-                "1: nr   %1,%2\n"
-                "   ic   %1,0(%1,%3)\n"
-                "   alr  %0,%1"
-                : "=&d" (result), "+a" (word), "=&d" (reg)
-                : "a" (&_sb_findmap) : "cc" );
-        return result;
-}
-
 #else /* __s390x__ */
 
 /*
@@ -910,35 +863,31 @@ find_next_bit (unsigned long * addr, unsigned long size, unsigned long offset)
         return (offset + res);
 }
 
+#endif /* __s390x__ */
+
 /*
  * ffz = Find First Zero in word. Undefined if no zero exists,
  * so code should check against ~0UL first..
  */
 static inline unsigned long ffz(unsigned long word)
 {
-	unsigned long reg, result;
-
-        __asm__("   lhi  %2,-1\n"
-                "   slgr %0,%0\n"
-                "   clr  %1,%2\n"
-                "   jne  0f\n"
-                "   aghi %0,32\n"
-                "   srlg %1,%1,32\n"
-                "0: lghi %2,0xff\n"
-                "   tmll %1,0xffff\n"
-                "   jno  1f\n"
-                "   aghi %0,16\n"
-                "   srlg %1,%1,16\n"
-                "1: tmll %1,0x00ff\n"
-                "   jno  2f\n"
-                "   aghi %0,8\n"
-                "   srlg %1,%1,8\n"
-                "2: ngr  %1,%2\n"
-                "   ic   %1,0(%1,%3)\n"
-                "   algr %0,%1"
-                : "=&d" (result), "+a" (word), "=&d" (reg)
-                : "a" (&_zb_findmap) : "cc" );
-        return result;
+        unsigned long bit = 0;
+
+#ifdef __s390x__
+	if (likely((word & 0xffffffff) == 0xffffffff)) {
+		word >>= 32;
+		bit += 32;
+	}
+#endif
+	if (likely((word & 0xffff) == 0xffff)) {
+		word >>= 16;
+		bit += 16;
+	}
+	if (likely((word & 0xff) == 0xff)) {
+		word >>= 8;
+		bit += 8;
+	}
+	return bit + _zb_findmap[word & 0xff];
 }
 
 /*
@@ -947,31 +896,24 @@ static inline unsigned long ffz(unsigned long word)
  */
 static inline unsigned long __ffs (unsigned long word)
 {
-        unsigned long reg, result;
-
-        __asm__("   slgr %0,%0\n"
-                "   ltr  %1,%1\n"
-                "   jnz  0f\n"
-                "   aghi %0,32\n"
-                "   srlg %1,%1,32\n"
-                "0: lghi %2,0xff\n"
-                "   tmll %1,0xffff\n"
-                "   jnz  1f\n"
-                "   aghi %0,16\n"
-                "   srlg %1,%1,16\n"
-                "1: tmll %1,0x00ff\n"
-                "   jnz  2f\n"
-                "   aghi %0,8\n"
-                "   srlg %1,%1,8\n"
-                "2: ngr  %1,%2\n"
-                "   ic   %1,0(%1,%3)\n"
-                "   algr %0,%1"
-                : "=&d" (result), "+a" (word), "=&d" (reg)
-                : "a" (&_sb_findmap) : "cc" );
-        return result;
-}
+	unsigned long bit = 0;
 
-#endif /* __s390x__ */
+#ifdef __s390x__
+	if (likely((word & 0xffffffff) == 0)) {
+		word >>= 32;
+		bit += 32;
+	}
+#endif
+	if (likely((word & 0xffff) == 0)) {
+		word >>= 16;
+		bit += 16;
+	}
+	if (likely((word & 0xff) == 0)) {
+		word >>= 8;
+		bit += 8;
+	}
+	return bit + _sb_findmap[word & 0xff];
+}
 
 /*
  * Every architecture must define this function. It's the fastest
@@ -989,68 +931,12 @@ static inline int sched_find_first_bit(unsigned long *b)
  * the libc and compiler builtin ffs routines, therefore
  * differs in spirit from the above ffz (man ffs).
  */
-extern inline int ffs (int x)
-{
-        int r = 1;
-
-        if (x == 0)
-		return 0;
-        __asm__("    tml  %1,0xffff\n"
-                "    jnz  0f\n"
-                "    srl  %1,16\n"
-                "    ahi  %0,16\n"
-                "0:  tml  %1,0x00ff\n"
-                "    jnz  1f\n"
-                "    srl  %1,8\n"
-                "    ahi  %0,8\n"
-                "1:  tml  %1,0x000f\n"
-                "    jnz  2f\n"
-                "    srl  %1,4\n"
-                "    ahi  %0,4\n"
-                "2:  tml  %1,0x0003\n"
-                "    jnz  3f\n"
-                "    srl  %1,2\n"
-                "    ahi  %0,2\n"
-                "3:  tml  %1,0x0001\n"
-                "    jnz  4f\n"
-                "    ahi  %0,1\n"
-                "4:"
-                : "=&d" (r), "+d" (x) : : "cc" );
-        return r;
-}
+#define ffs(x) generic_ffs(x)
 
 /*
  * fls: find last bit set.
  */
-static __inline__ int fls(int x)
-{
-	int r = 32;
-
-	if (x == 0)
-		return 0;
-	__asm__("    tmh  %1,0xffff\n"
-		"    jz   0f\n"
-		"    sll  %1,16\n"
-		"    ahi  %0,-16\n"
-		"0:  tmh  %1,0xff00\n"
-		"    jz   1f\n"
-		"    sll  %1,8\n"
-		"    ahi  %0,-8\n"
-		"1:  tmh  %1,0xf000\n"
-		"    jz   2f\n"
-		"    sll  %1,4\n"
-		"    ahi  %0,-4\n"
-		"2:  tmh  %1,0xc000\n"
-		"    jz   3f\n"
-		"    sll  %1,2\n"
-		"    ahi  %0,-2\n"
-		"3:  tmh  %1,0x8000\n"
-		"    jz   4f\n"
-		"    ahi  %0,-1\n"
-		"4:"
-		: "+d" (r), "+d" (x) : : "cc" );
-	return r;
-}
+#define fls(x) generic_fls(x)
 
 /*
  * hweightN: returns the hamming weight (i.e. the number
@@ -1273,11 +1159,16 @@ ext2_find_next_zero_bit(void *vaddr, unsigned long size, unsigned long offset)
 
 /* Bitmap functions for the minix filesystem.  */
 /* FIXME !!! */
-#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
-#define minix_set_bit(nr,addr) set_bit(nr,addr)
-#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
-#define minix_test_bit(nr,addr) test_bit(nr,addr)
-#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
+#define minix_test_and_set_bit(nr,addr) \
+	test_and_set_bit(nr,(unsigned long *)addr)
+#define minix_set_bit(nr,addr) \
+	set_bit(nr,(unsigned long *)addr)
+#define minix_test_and_clear_bit(nr,addr) \
+	test_and_clear_bit(nr,(unsigned long *)addr)
+#define minix_test_bit(nr,addr) \
+	test_bit(nr,(unsigned long *)addr)
+#define minix_find_first_zero_bit(addr,size) \
+	find_first_zero_bit(addr,size)
 
 #endif /* __KERNEL__ */
 

include/asm-s390/byteorder.h

@@ -50,7 +50,7 @@ static __inline__ __u32 ___arch__swab32p(__u32 *x)
 		"        icm   %0,4,2(%1)\n"
 		"        icm   %0,2,1(%1)\n"
 		"        ic    %0,0(%1)"
-		: "=&d" (result) : "a" (x) : "cc" );
+		: "=&d" (result) : "a" (x), "m" (*x) : "cc" );
 #else /* __s390x__ */
 		"   lrv  %0,%1"
 		: "=d" (result) : "m" (*x) );
@@ -67,7 +67,7 @@ static __inline__ __u32 ___arch__swab32(__u32 x)
 	
 	__asm__ __volatile__ (
 		"   lrvr  %0,%1"
-		: "=d" (result) : "d" (x) );
+		: "=d" (result) : "d" (x), "m" (x) );
 	return result;
 #endif /* __s390x__ */
 }
@@ -85,7 +85,7 @@ static __inline__ __u16 ___arch__swab16p(__u16 *x)
 #ifndef __s390x__
 		"        icm   %0,2,1(%1)\n"
 		"        ic    %0,0(%1)\n"
-		: "=&d" (result) : "a" (x) : "cc" );
+		: "=&d" (result) : "a" (x), "m" (*x) : "cc" );
 #else /* __s390x__ */
 		"   lrvh %0,%1"
 		: "=d" (result) : "m" (*x) );

include/asm-s390/checksum.h

@@ -42,7 +42,7 @@ csum_partial(const unsigned char * buff, int len, unsigned int sum)
 	__asm__ __volatile__ (
 		"0:  cksm %0,%1\n"	/* do checksum on longs */
 		"    jo   0b\n"
-		: "+&d" (sum), "+&a" (rp) : : "cc" );
+		: "+&d" (sum), "+&a" (rp) : : "cc", "memory" );
 #else /* __s390x__ */
         __asm__ __volatile__ (
                 "    lgr  2,%1\n"    /* address in gpr 2 */
@@ -51,7 +51,7 @@ csum_partial(const unsigned char * buff, int len, unsigned int sum)
                 "    jo   0b\n"
                 : "+&d" (sum)
                 : "d" (buff), "d" (len)
-                : "cc", "2", "3" );
+                : "cc", "memory", "2", "3" );
 #endif /* __s390x__ */
 	return sum;
 }

include/asm-s390/div64.h

@@ -36,8 +36,8 @@
 	     "   ahi  1,1\n"					\
 	     "1: st   1,4+%1\n"					\
              "   lr   %0,0"					\
-	     : "=d" (__r), "+m" (__n)				\
-	     : "d" (base) : "0", "1", "2", "cc" );		\
+	     : "=d" (__r), "=m" (__n)				\
+	     : "d" (base), "m" (__n) : "0", "1", "2", "cc" );	\
 	(n) = (__n);						\
         __r;                                                    \
 })

include/asm-s390/pgtable.h

@@ -553,11 +553,15 @@ ptep_clear_flush(struct vm_area_struct *vma,
 	if (!(pte_val(pte) & _PAGE_INVALID)) {
 		/* S390 has 1mb segments, we are emulating 4MB segments */
 		pte_t *pto = (pte_t *) (((unsigned long) ptep) & 0x7ffffc00);
-		__asm__ __volatile__ ("ipte %0,%1" : : "a" (pto), "a" (address));
+		__asm__ __volatile__ ("ipte %2,%3"
+				      : "=m" (*ptep) : "m" (*ptep),
+				        "a" (pto), "a" (address) );
 	}
 #else /* __s390x__ */
 	if (!(pte_val(pte) & _PAGE_INVALID)) 
-		__asm__ __volatile__ ("ipte %0,%1" : : "a" (ptep), "a" (address));
+		__asm__ __volatile__ ("ipte %2,%3"
+				      : "=m" (*ptep) : "m" (*ptep),
+				        "a" (ptep), "a" (address) );
 #endif /* __s390x__ */
 	pte_clear(ptep);
 	return pte;

include/asm-s390/processor.h

@@ -66,7 +66,7 @@ extern struct task_struct *last_task_used_math;
 
 #else /* __s390x__ */
 
-# define TASK_SIZE		(0x20000000000UL)
+# define TASK_SIZE		(0x40000000000UL)
 # define TASK31_SIZE		(0x80000000UL)
 # define TASK_UNMAPPED_BASE	(test_thread_flag(TIF_31BIT) ? \
 					(TASK31_SIZE / 2) : (TASK_SIZE / 2))
@@ -200,14 +200,14 @@ static inline void __load_psw_mask (unsigned long mask)
 		"    st	  %0,4(%1)\n"
 		"    lpsw 0(%1)\n"
 		"1:"
-		: "=&d" (addr) : "a" (&psw) : "memory", "cc" );
+		: "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc" );
 #else /* __s390x__ */
 	asm volatile (
 		"    larl  %0,1f\n"
 		"    stg   %0,8(%1)\n"
 		"    lpswe 0(%1)\n"
 		"1:"
-		: "=&d" (addr) : "a" (&psw) : "memory", "cc" );
+		: "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc" );
 #endif /* __s390x__ */
 }
  
@@ -229,14 +229,16 @@ static inline void enabled_wait(void)
 		"    oi   4(%1),0x80\n"
 		"    lpsw 0(%1)\n"
 		"1:"
-		: "=&a" (reg) : "a" (&wait_psw) : "memory", "cc" );
+		: "=&a" (reg) : "a" (&wait_psw), "m" (wait_psw)
+		: "memory", "cc" );
 #else /* __s390x__ */
 	asm volatile (
 		"    larl  %0,0f\n"
 		"    stg   %0,8(%1)\n"
 		"    lpswe 0(%1)\n"
 		"0:"
-		: "=&a" (reg) : "a" (&wait_psw) : "memory", "cc" );
+		: "=&a" (reg) : "a" (&wait_psw), "m" (wait_psw)
+		: "memory", "cc" );
 #endif /* __s390x__ */
 }
 
@@ -247,7 +249,7 @@ static inline void enabled_wait(void)
 static inline void disabled_wait(unsigned long code)
 {
         char psw_buffer[2*sizeof(psw_t)];
-        char ctl_buf[4];
+        unsigned long ctl_buf;
         psw_t *dw_psw = (psw_t *)(((unsigned long) &psw_buffer+sizeof(psw_t)-1)
                                   & -sizeof(psw_t));
 
@@ -258,9 +260,9 @@ static inline void disabled_wait(unsigned long code)
          * the processor is dead afterwards
          */
 #ifndef __s390x__
-        asm volatile ("    stctl 0,0,0(%1)\n"
-                      "    ni    0(%1),0xef\n" /* switch off protection */
-                      "    lctl  0,0,0(%1)\n"
+        asm volatile ("    stctl 0,0,0(%2)\n"
+                      "    ni    0(%2),0xef\n" /* switch off protection */
+                      "    lctl  0,0,0(%2)\n"
                       "    stpt  0xd8\n"       /* store timer */
                       "    stckc 0xe0\n"       /* store clock comparator */
                       "    stpx  0x108\n"      /* store prefix register */
@@ -271,13 +273,14 @@ static inline void disabled_wait(unsigned long code)
                       "    std   6,0x178\n"    /* store f6 */
                       "    stm   0,15,0x180\n" /* store general registers */
                       "    stctl 0,15,0x1c0\n" /* store control registers */
-                      "    oi    0(%1),0x10\n" /* fake protection bit */
-                      "    lpsw 0(%0)"
-                      : : "a" (dw_psw), "a" (&ctl_buf) : "cc" );
+                      "    oi    0x1c0,0x10\n" /* fake protection bit */
+                      "    lpsw 0(%1)"
+                      : "=m" (ctl_buf)
+		      : "a" (dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc" );
 #else /* __s390x__ */
-        asm volatile ("    stctg 0,0,0(%1)\n"
-                      "    ni    4(%1),0xef\n" /* switch off protection */
-                      "    lctlg 0,0,0(%1)\n"
+        asm volatile ("    stctg 0,0,0(%2)\n"
+                      "    ni    4(%2),0xef\n" /* switch off protection */
+                      "    lctlg 0,0,0(%2)\n"
                       "    lghi  1,0x1000\n"
                       "    stpt  0x328(1)\n"      /* store timer */
                       "    stckc 0x330(1)\n"      /* store clock comparator */
@@ -303,8 +306,10 @@ static inline void disabled_wait(unsigned long code)
                       "    stmg  0,15,0x280(1)\n" /* store general registers */
                       "    stctg 0,15,0x380(1)\n" /* store control registers */
                       "    oi    0x384(1),0x10\n" /* fake protection bit */
-                      "    lpswe 0(%0)"
-                      : : "a" (dw_psw), "a" (&ctl_buf) : "cc", "0", "1");
+                      "    lpswe 0(%1)"
+                      : "=m" (ctl_buf)
+		      : "a" (dw_psw), "a" (&ctl_buf),
+		        "m" (dw_psw) : "cc", "0", "1");
 #endif /* __s390x__ */
 }
 

include/asm-s390/rwsem.h

@@ -102,21 +102,21 @@ static inline void __down_read(struct rw_semaphore *sem)
 
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   ahi  %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   ahi  %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   aghi %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   aghi %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "i" (RWSEM_ACTIVE_READ_BIAS)
-		: "cc", "memory" );
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count),
+		  "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory" );
 	if (old < 0)
 		rwsem_down_read_failed(sem);
 }
@@ -130,25 +130,25 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
 
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: ltr  %1,%0\n"
 		"   jm   1f\n"
-		"   ahi  %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   ahi  %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b\n"
 		"1:"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: ltgr %1,%0\n"
 		"   jm   1f\n"
-		"   aghi %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   aghi %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b\n"
 		"1:"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "i" (RWSEM_ACTIVE_READ_BIAS)
-		: "cc", "memory" );
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count),
+		  "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory" );
 	return old >= 0 ? 1 : 0;
 }
 
@@ -162,20 +162,20 @@ static inline void __down_write(struct rw_semaphore *sem)
 	tmp = RWSEM_ACTIVE_WRITE_BIAS;
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   a    %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   a    %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   ag   %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   ag   %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "m" (tmp)
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count), "m" (tmp)
 		: "cc", "memory" );
 	if (old != 0)
 		rwsem_down_write_failed(sem);
@@ -190,22 +190,22 @@ static inline int __down_write_trylock(struct rw_semaphore *sem)
 
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%1)\n"
+		"   l    %0,0(%2)\n"
 		"0: ltr  %0,%0\n"
 		"   jnz  1f\n"
-		"   cs   %0,%2,0(%1)\n"
+		"   cs   %0,%4,0(%2)\n"
 		"   jl   0b\n"
 #else /* __s390x__ */
-		"   lg   %0,0(%1)\n"
+		"   lg   %0,0(%2)\n"
 		"0: ltgr %0,%0\n"
 		"   jnz  1f\n"
-		"   csg  %0,%2,0(%1)\n"
+		"   csg  %0,%4,0(%2)\n"
 		"   jl   0b\n"
 #endif /* __s390x__ */
 		"1:"
-                : "=&d" (old)
-		: "a" (&sem->count), "d" (RWSEM_ACTIVE_WRITE_BIAS)
-		: "cc", "memory" );
+                : "=&d" (old), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count),
+		  "d" (RWSEM_ACTIVE_WRITE_BIAS) : "cc", "memory" );
 	return (old == RWSEM_UNLOCKED_VALUE) ? 1 : 0;
 }
 
@@ -218,20 +218,21 @@ static inline void __up_read(struct rw_semaphore *sem)
 
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   ahi  %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   ahi  %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   aghi %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   aghi %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "i" (-RWSEM_ACTIVE_READ_BIAS)
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count),
+		  "i" (-RWSEM_ACTIVE_READ_BIAS)
 		: "cc", "memory" );
 	if (new < 0)
 		if ((new & RWSEM_ACTIVE_MASK) == 0)
@@ -248,20 +249,20 @@ static inline void __up_write(struct rw_semaphore *sem)
 	tmp = -RWSEM_ACTIVE_WRITE_BIAS;
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   a    %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   a    %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   ag   %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   ag   %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "m" (tmp)
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count), "m" (tmp)
 		: "cc", "memory" );
 	if (new < 0)
 		if ((new & RWSEM_ACTIVE_MASK) == 0)
@@ -278,20 +279,20 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
 	tmp = -RWSEM_WAITING_BIAS;
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   a    %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   a    %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   ag   %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   ag   %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "m" (tmp)
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count), "m" (tmp)
 		: "cc", "memory" );
 	if (new > 1)
 		rwsem_downgrade_wake(sem);
@@ -306,20 +307,20 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
 
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   ar   %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   ar   %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   agr  %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   agr  %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "d" (delta)
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count), "d" (delta)
 		: "cc", "memory" );
 }
 
@@ -332,20 +333,20 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
 
 	__asm__ __volatile__(
 #ifndef __s390x__
-		"   l    %0,0(%2)\n"
+		"   l    %0,0(%3)\n"
 		"0: lr   %1,%0\n"
-		"   ar   %1,%3\n"
-		"   cs   %0,%1,0(%2)\n"
+		"   ar   %1,%5\n"
+		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b"
 #else /* __s390x__ */
-		"   lg   %0,0(%2)\n"
+		"   lg   %0,0(%3)\n"
 		"0: lgr  %1,%0\n"
-		"   agr  %1,%3\n"
-		"   csg  %0,%1,0(%2)\n"
+		"   agr  %1,%5\n"
+		"   csg  %0,%1,0(%3)\n"
 		"   jl   0b"
 #endif /* __s390x__ */
-                : "=&d" (old), "=&d" (new)
-		: "a" (&sem->count), "d" (delta)
+                : "=&d" (old), "=&d" (new), "=m" (sem->count)
+		: "a" (&sem->count), "m" (sem->count), "d" (delta)
 		: "cc", "memory" );
 	return new;
 }

include/asm-s390/semaphore.h

@@ -95,9 +95,9 @@ static inline int down_trylock(struct semaphore * sem)
 		"   cs   %0,%1,0(%3)\n"
 		"   jl   0b\n"
 		"1:"
-		: "=&d" (old_val), "=&d" (new_val),
-		  "+m" (sem->count.counter)
-		: "a" (&sem->count.counter) : "cc" );
+		: "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter)
+		: "a" (&sem->count.counter), "m" (sem->count.counter)
+		: "cc", "memory" );
 	return old_val <= 0;
 }
 

include/asm-s390/spinlock.h

@@ -57,8 +57,9 @@ extern inline void _raw_spin_lock(spinlock_t *lp)
                            "1:  slr   %1,%1\n"
                            "    cs    %1,%0,0(%3)\n"
                            "    jl    0b\n"
-                           : "=&d" (reg1), "=&d" (reg2), "+m" (lp->lock)
-			   : "a" (&lp->lock) : "cc" );
+                           : "=&d" (reg1), "=&d" (reg2), "=m" (lp->lock)
+			   : "a" (&lp->lock), "m" (lp->lock)
+			   : "cc", "memory" );
 #else /* __s390x__ */
 	unsigned long reg1, reg2;
         __asm__ __volatile("    bras  %1,1f\n"
@@ -66,9 +67,9 @@ extern inline void _raw_spin_lock(spinlock_t *lp)
                            "1:  slr   %0,%0\n"
                            "    cs    %0,%1,0(%3)\n"
                            "    jl    0b\n"
-                           : "=&d" (reg1), "=&d" (reg2), "+m" (lp->lock)
-                           : "a" (&lp->lock), "i" (__DIAG44_OPERAND)
-			   : "cc" );
+                           : "=&d" (reg1), "=&d" (reg2), "=m" (lp->lock)
+			   : "a" (&lp->lock), "i" (__DIAG44_OPERAND),
+			     "m" (lp->lock) : "cc", "memory" );
 #endif /* __s390x__ */
 }
 
@@ -82,8 +83,9 @@ extern inline int _raw_spin_trylock(spinlock_t *lp)
 	__asm__ __volatile("    slr   %0,%0\n"
 			   "    basr  %1,0\n"
 			   "0:  cs    %0,%1,0(%3)"
-			   : "=&d" (result), "=&d" (reg), "+m" (lp->lock)
-			   : "a" (&lp->lock) : "cc" );
+			   : "=&d" (result), "=&d" (reg), "=m" (lp->lock)
+			   : "a" (&lp->lock), "m" (lp->lock)
+			   : "cc", "memory" );
 	return !result;
 }
 
@@ -93,7 +95,8 @@ extern inline void _raw_spin_unlock(spinlock_t *lp)
 
 	__asm__ __volatile("cs %0,%3,0(%4)"
 			   : "=d" (old), "=m" (lp->lock)
-			   : "0" (lp->lock), "d" (0), "a" (lp) : "cc" );
+			   : "0" (lp->lock), "d" (0), "a" (lp)
+			   : "cc", "memory" );
 }
 		
 /*
@@ -126,8 +129,8 @@ typedef struct {
                      "   la    3,1(2)\n"     /* one more reader */ \
                      "   cs    2,3,0(%1)\n"  /* try to write new value */ \
                      "   jl    0b"       \
-                     : "+m" ((rw)->lock) : "a" (&(rw)->lock) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) : "a" (&(rw)->lock), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #else /* __s390x__ */
 #define _raw_read_lock(rw)   \
         asm volatile("   lg    2,0(%1)\n"   \
@@ -137,9 +140,9 @@ typedef struct {
                      "   la    3,1(2)\n"   /* one more reader */  \
                      "   csg   2,3,0(%1)\n" /* try to write new value */ \
                      "   jl    0b"       \
-                     : "+m" ((rw)->lock) \
-		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) \
+		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #endif /* __s390x__ */
 
 #ifndef __s390x__
@@ -151,8 +154,8 @@ typedef struct {
                      "   ahi   3,-1\n"    /* one less reader */ \
                      "   cs    2,3,0(%1)\n" \
                      "   jl    0b"       \
-                     : "+m" ((rw)->lock) : "a" (&(rw)->lock) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) : "a" (&(rw)->lock), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #else /* __s390x__ */
 #define _raw_read_unlock(rw) \
         asm volatile("   lg    2,0(%1)\n"   \
@@ -162,9 +165,9 @@ typedef struct {
                      "   bctgr 3,0\n"    /* one less reader */ \
                      "   csg   2,3,0(%1)\n" \
                      "   jl    0b"       \
-                     : "+m" ((rw)->lock) \
-		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) \
+		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #endif /* __s390x__ */
 
 #ifndef __s390x__
@@ -176,8 +179,8 @@ typedef struct {
                      "1: slr   2,2\n"     /* old lock value must be 0 */ \
                      "   cs    2,3,0(%1)\n" \
                      "   jl    0b"       \
-                     : "+m" ((rw)->lock) : "a" (&(rw)->lock) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) : "a" (&(rw)->lock), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #else /* __s390x__ */
 #define _raw_write_lock(rw) \
         asm volatile("   llihh 3,0x8000\n" /* new lock value = 0x80...0 */ \
@@ -186,9 +189,9 @@ typedef struct {
                      "1: slgr  2,2\n"      /* old lock value must be 0 */ \
                      "   csg   2,3,0(%1)\n" \
                      "   jl    0b"         \
-                     : "+m" ((rw)->lock) \
-		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) \
+		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #endif /* __s390x__ */
 
 #ifndef __s390x__
@@ -200,8 +203,8 @@ typedef struct {
                      "   sll   2,31\n"    /* old lock value must be 0x80000000 */ \
                      "   cs    2,3,0(%1)\n" \
                      "   jl    0b"       \
-                     : "+m" ((rw)->lock) : "a" (&(rw)->lock) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) : "a" (&(rw)->lock), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #else /* __s390x__ */
 #define _raw_write_unlock(rw) \
         asm volatile("   slgr  3,3\n"      /* new lock value = 0 */ \
@@ -210,9 +213,9 @@ typedef struct {
                      "1: llihh 2,0x8000\n" /* old lock value must be 0x8..0 */\
                      "   csg   2,3,0(%1)\n"   \
                      "   jl    0b"         \
-                     : "+m" ((rw)->lock) \
-		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND) \
-		     : "2", "3", "cc" )
+                     : "=m" ((rw)->lock) \
+		     : "a" (&(rw)->lock), "i" (__DIAG44_OPERAND), \
+		       "m" ((rw)->lock) : "2", "3", "cc", "memory" )
 #endif /* __s390x__ */
 
 extern inline int _raw_write_trylock(rwlock_t *rw)
@@ -230,8 +233,9 @@ extern inline int _raw_write_trylock(rwlock_t *rw)
 			     "   llihh %1,0x8000\n"
 			     "0: csg %0,%1,0(%3)\n"
 #endif /* __s390x__ */
-			     : "=&d" (result), "=&d" (reg), "+m" (rw->lock)
-			     : "a" (&rw->lock) : "cc" );
+			     : "=&d" (result), "=&d" (reg), "=m" (rw->lock)
+			     : "a" (&rw->lock), "m" (rw->lock)
+			     : "cc", "memory" );
 	return result == 0;
 }
 

include/asm-s390/system.h

@@ -32,28 +32,28 @@ extern struct task_struct *__switch_to(void *, void *);
 static inline void save_fp_regs(s390_fp_regs *fpregs)
 {
 	asm volatile (
-		"   std   0,8(%0)\n"
-		"   std   2,24(%0)\n"
-		"   std   4,40(%0)\n"
-		"   std   6,56(%0)"
-		: : "a" (fpregs) : "memory" );
+		"   std   0,8(%1)\n"
+		"   std   2,24(%1)\n"
+		"   std   4,40(%1)\n"
+		"   std   6,56(%1)"
+		: "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory" );
 	if (!MACHINE_HAS_IEEE)
 		return;
 	asm volatile(
-		"   stfpc 0(%0)\n"
-		"   std   1,16(%0)\n"
-		"   std   3,32(%0)\n"
-		"   std   5,48(%0)\n"
-		"   std   7,64(%0)\n"
-		"   std   8,72(%0)\n"
-		"   std   9,80(%0)\n"
-		"   std   10,88(%0)\n"
-		"   std   11,96(%0)\n"
-		"   std   12,104(%0)\n"
-		"   std   13,112(%0)\n"
-		"   std   14,120(%0)\n"
-		"   std   15,128(%0)\n"
-		: : "a" (fpregs) : "memory" );
+		"   stfpc 0(%1)\n"
+		"   std   1,16(%1)\n"
+		"   std   3,32(%1)\n"
+		"   std   5,48(%1)\n"
+		"   std   7,64(%1)\n"
+		"   std   8,72(%1)\n"
+		"   std   9,80(%1)\n"
+		"   std   10,88(%1)\n"
+		"   std   11,96(%1)\n"
+		"   std   12,104(%1)\n"
+		"   std   13,112(%1)\n"
+		"   std   14,120(%1)\n"
+		"   std   15,128(%1)\n"
+		: "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory" );
 }
 
 static inline void restore_fp_regs(s390_fp_regs *fpregs)
@@ -63,7 +63,7 @@ static inline void restore_fp_regs(s390_fp_regs *fpregs)
 		"   ld    2,24(%0)\n"
 		"   ld    4,40(%0)\n"
 		"   ld    6,56(%0)"
-		: : "a" (fpregs));
+		: : "a" (fpregs), "m" (*fpregs) );
 	if (!MACHINE_HAS_IEEE)
 		return;
 	asm volatile(
@@ -80,7 +80,7 @@ static inline void restore_fp_regs(s390_fp_regs *fpregs)
 		"   ld    13,112(%0)\n"
 		"   ld    14,120(%0)\n"
 		"   ld    15,128(%0)\n"
-		: : "a" (fpregs));
+		: : "a" (fpregs), "m" (*fpregs) );
 }
 
 #define switch_to(prev,next,last) do {					     \
@@ -107,15 +107,15 @@ static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
 		shift = (3 ^ (addr & 3)) << 3;
 		addr ^= addr & 3;
 		asm volatile(
-			"    l   %0,0(%3)\n"
+			"    l   %0,0(%4)\n"
 			"0:  lr  0,%0\n"
-			"    nr  0,%2\n"
-			"    or  0,%1\n"
-			"    cs  %0,0,0(%3)\n"
+			"    nr  0,%3\n"
+			"    or  0,%2\n"
+			"    cs  %0,0,0(%4)\n"
 			"    jl  0b\n"
-			: "=&d" (old)
-			: "d" (x << shift), "d" (~(255 << shift)), "a" (addr)
-			: "memory", "cc", "0" );
+			: "=&d" (old), "=m" (*(int *) addr)
+			: "d" (x << shift), "d" (~(255 << shift)), "a" (addr),
+			  "m" (*(int *) addr) : "memory", "cc", "0" );
 		x = old >> shift;
 		break;
 	case 2:
@@ -123,34 +123,36 @@ static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
 		shift = (2 ^ (addr & 2)) << 3;
 		addr ^= addr & 2;
 		asm volatile(
-			"    l   %0,0(%3)\n"
+			"    l   %0,0(%4)\n"
 			"0:  lr  0,%0\n"
-			"    nr  0,%2\n"
-			"    or  0,%1\n"
-			"    cs  %0,0,0(%3)\n"
+			"    nr  0,%3\n"
+			"    or  0,%2\n"
+			"    cs  %0,0,0(%4)\n"
 			"    jl  0b\n"
-			: "=&d" (old) 
-			: "d" (x << shift), "d" (~(65535 << shift)), "a" (addr)
-			: "memory", "cc", "0" );
+			: "=&d" (old), "=m" (*(int *) addr)
+			: "d" (x << shift), "d" (~(65535 << shift)), "a" (addr),
+			  "m" (*(int *) addr) : "memory", "cc", "0" );
 		x = old >> shift;
 		break;
 	case 4:
 		asm volatile (
-			"    l   %0,0(%2)\n"
-			"0:  cs  %0,%1,0(%2)\n"
+			"    l   %0,0(%3)\n"
+			"0:  cs  %0,%2,0(%3)\n"
 			"    jl  0b\n"
-			: "=&d" (old) : "d" (x), "a" (ptr)
-			: "memory", "cc", "0" );
+			: "=&d" (old), "=m" (*(int *) ptr)
+			: "d" (x), "a" (ptr), "m" (*(int *) ptr)
+			: "memory", "cc" );
 		x = old;
 		break;
 #ifdef __s390x__
 	case 8:
 		asm volatile (
-			"    lg  %0,0(%2)\n"
-			"0:  csg %0,%1,0(%2)\n"
+			"    lg  %0,0(%3)\n"
+			"0:  csg %0,%2,0(%3)\n"
 			"    jl  0b\n"
-			: "=&d" (old) : "d" (x), "a" (ptr)
-			: "memory", "cc", "0" );
+			: "=&d" (old), "=m" (*(long *) ptr)
+			: "d" (x), "a" (ptr), "m" (*(long *) ptr)
+			: "memory", "cc" );
 		x = old;
 		break;
 #endif /* __s390x__ */
@@ -268,7 +270,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #define local_irq_enable() ({ \
         unsigned long  __dummy; \
         __asm__ __volatile__ ( \
-                "stosm 0(%1),0x03" : "=m" (__dummy) : "a" (&__dummy) ); \
+                "stosm 0(%1),0x03" \
+		: "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
         })
 
 #define local_irq_disable() ({ \
@@ -279,10 +282,10 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
         })
 
 #define local_save_flags(x) \
-        __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x) )
+        __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
 
 #define local_irq_restore(x) \
-        __asm__ __volatile__("ssm   0(%0)" : : "a" (&x) : "memory")
+        __asm__ __volatile__("ssm   0(%0)" : : "a" (&x), "m" (x) : "memory")
 
 #define irqs_disabled()			\
 ({					\
@@ -294,7 +297,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #ifdef __s390x__
 
 #define __load_psw(psw) \
-        __asm__ __volatile__("lpswe 0(%0)" : : "a" (&psw) : "cc" );
+        __asm__ __volatile__("lpswe 0(%0)" : : "a" (&psw), "m" (psw) : "cc" );
 
 #define __ctl_load(array, low, high) ({ \
 	__asm__ __volatile__ ( \

include/asm-s390/timex.h

@@ -25,7 +25,7 @@ static inline cycles_t get_cycles(void)
 {
 	cycles_t cycles;
 
-	__asm__("stck 0(%0)" : : "a" (&(cycles)) : "memory", "cc");
+	__asm__("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
 	return cycles >> 2;
 }
 
@@ -33,7 +33,7 @@ static inline unsigned long long get_clock (void)
 {
 	unsigned long long clk;
 
-	__asm__("stck 0(%0)" : : "a" (&(clk)) : "memory", "cc");
+	__asm__("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
 	return clk;
 }
 

include/asm-s390/tlbflush.h

@@ -85,7 +85,7 @@ static inline void global_flush_tlb(void)
 			"    slr  2,2\n"
 			"    slr  3,3\n"
 			"    csp  2,%0"
-			: : "a" (addr) : "cc", "2", "3" );
+			: : "a" (addr), "m" (dummy) : "cc", "2", "3" );
 	}
 }
 

include/asm-s390/uaccess.h

@@ -124,8 +124,8 @@ struct exception_table_entry
 		"1:\n"						\
 		__uaccess_fixup					\
 		: "=&d" (err)					\
-		: "a" (__to),"a" (__from),"K" (-EFAULT),"0" (0)	\
-		: "cc" );					\
+		: "a" (__to),"a" (__from),"K" (-EFAULT),"0" (0),\
+		  "m" (x) : "cc" );				\
 })
 
 #else /* __s390x__ */

include/linux/proc_fs.h

@@ -133,8 +133,14 @@ extern void proc_tty_unregister_driver(struct tty_driver *driver);
  */
 struct device_node;
 extern void proc_device_tree_init(void);
+#ifdef CONFIG_PROC_DEVICETREE
 extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
-
+#else /* !CONFIG_PROC_DEVICETREE */
+static inline void proc_device_tree_add_node(struct device_node *np, struct proc_dir_entry *pde)
+{
+	return;
+}
+#endif /* CONFIG_PROC_DEVICETREE */
 /*
  * proc_rtas.c
  */

kernel/exit.c

@@ -403,6 +403,8 @@ void put_files_struct(struct files_struct *files)
 	}
 }
 
+EXPORT_SYMBOL(put_files_struct);
+
 static inline void __exit_files(struct task_struct *tsk)
 {
 	struct files_struct * files = tsk->files;