Merge branches 'tracing/ftrace', 'tracing/ring-buffer' and 'tracing/urgent' into tracing/core

Conflicts:
	include/linux/ftrace.h

Documentation/arm/mem_alignment

@@ -24,7 +24,7 @@ real bad - it changes the behaviour of all unaligned instructions in user
 space, and might cause programs to fail unexpectedly.
 
 To change the alignment trap behavior, simply echo a number into
-/proc/sys/debug/alignment.  The number is made up from various bits:
+/proc/cpu/alignment.  The number is made up from various bits:
 
 bit		behavior when set
 ---		-----------------

Documentation/local_ops.txt

@@ -149,7 +149,7 @@ static void do_test_timer(unsigned long data)
 	int cpu;
 
 	/* Increment the counters */
-	on_each_cpu(test_each, NULL, 0, 1);
+	on_each_cpu(test_each, NULL, 1);
 	/* Read all the counters */
 	printk("Counters read from CPU %d\n", smp_processor_id());
 	for_each_online_cpu(cpu) {

Documentation/usb/gadget_serial.txt

@@ -114,11 +114,11 @@ modules.
 Then you must load the gadget serial driver.  To load it as an
 ACM device (recommended for interoperability), do this:
 
-  modprobe g_serial use_acm=1
+  modprobe g_serial
 
 To load it as a vendor specific bulk in/out device, do this:
 
-  modprobe g_serial
+  modprobe g_serial use_acm=0
 
 This will also automatically load the underlying gadget peripheral
 controller driver.  This must be done each time you reboot the gadget

Documentation/usb/proc_usb_info.txt

@@ -49,8 +49,10 @@ it and 002/048 sometime later.
 
 These files can be read as binary data.  The binary data consists
 of first the device descriptor, then the descriptors for each
-configuration of the device.  That information is also shown in
-text form by the /proc/bus/usb/devices file, described later.
+configuration of the device.  Multi-byte fields in the device and
+configuration descriptors, but not other descriptors, are converted
+to host endianness by the kernel.  This information is also shown
+in text form by the /proc/bus/usb/devices file, described later.
 
 These files may also be used to write user-level drivers for the USB
 devices.  You would open the /proc/bus/usb/BBB/DDD file read/write,

Documentation/usb/usbmon.txt

@@ -34,11 +34,12 @@ if usbmon is built into the kernel.
 Verify that bus sockets are present.
 
 # ls /sys/kernel/debug/usbmon
-0s  0t  0u  1s  1t  1u  2s  2t  2u  3s  3t  3u  4s  4t  4u
+0s  0u  1s  1t  1u  2s  2t  2u  3s  3t  3u  4s  4t  4u
 #
 
-Now you can choose to either use the sockets numbered '0' (to capture packets on
-all buses), and skip to step #3, or find the bus used by your device with step #2.
+Now you can choose to either use the socket '0u' (to capture packets on all
+buses), and skip to step #3, or find the bus used by your device with step #2.
+This allows to filter away annoying devices that talk continuously.
 
 2. Find which bus connects to the desired device
 
@@ -99,8 +100,9 @@ on the event type, but there is a set of words, common for all types.
 
 Here is the list of words, from left to right:
 
-- URB Tag. This is used to identify URBs is normally a kernel mode address
- of the URB structure in hexadecimal.
+- URB Tag. This is used to identify URBs, and is normally an in-kernel address
+  of the URB structure in hexadecimal, but can be a sequence number or any
+  other unique string, within reason.
 
 - Timestamp in microseconds, a decimal number. The timestamp's resolution
   depends on available clock, and so it can be much worse than a microsecond

MAINTAINERS

@@ -1527,10 +1527,10 @@ W:	http://ebtables.sourceforge.net/
 S:	Maintained
 
 ECRYPT FILE SYSTEM
-P:	Mike Halcrow, Phillip Hellewell
-M:	mhalcrow@us.ibm.com, phillip@hellewell.homeip.net
-L:	ecryptfs-devel@lists.sourceforge.net
-W:	http://ecryptfs.sourceforge.net/
+P:	Tyler Hicks, Dustin Kirkland
+M:	tyhicks@linux.vnet.ibm.com, kirkland@canonical.com
+L:	ecryptfs-devel@lists.launchpad.net
+W:	https://launchpad.net/ecryptfs
 S:	Supported
 
 EDAC-CORE
@@ -3759,6 +3759,15 @@ M:	drzeus-sdhci@drzeus.cx
 L:	sdhci-devel@list.drzeus.cx
 S:	Maintained
 
+SECURITY SUBSYSTEM
+F:	security/
+P:	James Morris
+M:	jmorris@namei.org
+L:	linux-kernel@vger.kernel.org
+L:	linux-security-module@vger.kernel.org (suggested Cc:)
+T:	git kernel.org:pub/scm/linux/kernel/git/jmorris/security-testing-2.6.git
+S:	Supported
+
 SECURITY CONTACT
 P:	Security Officers
 M:	security@kernel.org

Makefile

 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 28
-EXTRAVERSION = -rc7
+EXTRAVERSION = -rc8
 NAME = Erotic Pickled Herring
 
 # *DOCUMENTATION*

arch/arm/common/sa1111.c

@@ -630,7 +630,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 		return -ENOMEM;
 
 	sachip->clk = clk_get(me, "SA1111_CLK");
-	if (!sachip->clk) {
+	if (IS_ERR(sachip->clk)) {
 		ret = PTR_ERR(sachip->clk);
 		goto err_free;
 	}

arch/arm/include/asm/bitops.h

@@ -237,6 +237,7 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
 #if __LINUX_ARM_ARCH__ < 5
 
 #include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/fls.h>
 #include <asm-generic/bitops/ffs.h>
@@ -277,16 +278,19 @@ static inline int constant_fls(int x)
  * the clz instruction for much better code efficiency.
  */
 
-#define __fls(x) \
-	( __builtin_constant_p(x) ? constant_fls(x) : \
-	  ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
-
-/* Implement fls() in C so that 64-bit args are suitably truncated */
 static inline int fls(int x)
 {
-	return __fls(x);
+	int ret;
+
+	if (__builtin_constant_p(x))
+	       return constant_fls(x);
+
+	asm("clz\t%0, %1" : "=r" (ret) : "r" (x) : "cc");
+       	ret = 32 - ret;
+	return ret;
 }
 
+#define __fls(x) (fls(x) - 1)
 #define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
 #define __ffs(x) (ffs(x) - 1)
 #define ffz(x) __ffs( ~(x) )

arch/arm/include/asm/processor.h

@@ -23,7 +23,7 @@
 #include <asm/types.h>
 
 #ifdef __KERNEL__
-#define STACK_TOP	((current->personality == PER_LINUX_32BIT) ? \
+#define STACK_TOP	((current->personality & ADDR_LIMIT_32BIT) ? \
 			 TASK_SIZE : TASK_SIZE_26)
 #define STACK_TOP_MAX	TASK_SIZE
 #endif

arch/arm/kernel/armksyms.c

@@ -115,6 +115,8 @@ EXPORT_SYMBOL(__strnlen_user);
 EXPORT_SYMBOL(__strncpy_from_user);
 
 #ifdef CONFIG_MMU
+EXPORT_SYMBOL(copy_page);
+
 EXPORT_SYMBOL(__copy_from_user);
 EXPORT_SYMBOL(__copy_to_user);
 EXPORT_SYMBOL(__clear_user);
@@ -181,8 +183,6 @@ EXPORT_SYMBOL(_find_first_bit_be);
 EXPORT_SYMBOL(_find_next_bit_be);
 #endif
 
-EXPORT_SYMBOL(copy_page);
-
 #ifdef CONFIG_FUNCTION_TRACER
 EXPORT_SYMBOL(mcount);
 #endif

arch/arm/kernel/traps.c

@@ -18,6 +18,7 @@
 #include <linux/personality.h>
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/uaccess.h>
 

arch/arm/mach-omap1/io.c

@@ -128,7 +128,7 @@ void __init omap1_map_common_io(void)
  * Common low-level hardware init for omap1. This should only get called from
  * board specific init.
  */
-void __init omap1_init_common_hw()
+void __init omap1_init_common_hw(void)
 {
 	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
 	 * on a Posted Write in the TIPB Bridge".

arch/arm/mach-pxa/include/mach/reset.h

@@ -12,9 +12,8 @@ extern void clear_reset_status(unsigned int mask);
 
 /**
  * init_gpio_reset() - register GPIO as reset generator
- *
- * @gpio - gpio nr
- * @output - set gpio as out/low instead of input during normal work
+ * @gpio: gpio nr
+ * @output: set gpio as out/low instead of input during normal work
  */
 extern int init_gpio_reset(int gpio, int output);
 

arch/arm/mm/alignment.c

@@ -70,6 +70,10 @@ static unsigned long ai_dword;
 static unsigned long ai_multi;
 static int ai_usermode;
 
+#define UM_WARN		(1 << 0)
+#define UM_FIXUP	(1 << 1)
+#define UM_SIGNAL	(1 << 2)
+
 #ifdef CONFIG_PROC_FS
 static const char *usermode_action[] = {
 	"ignored",
@@ -754,7 +758,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
  user:
 	ai_user += 1;
 
-	if (ai_usermode & 1)
+	if (ai_usermode & UM_WARN)
 		printk("Alignment trap: %s (%d) PC=0x%08lx Instr=0x%0*lx "
 		       "Address=0x%08lx FSR 0x%03x\n", current->comm,
 			task_pid_nr(current), instrptr,
@@ -762,10 +766,10 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 		        thumb_mode(regs) ? tinstr : instr,
 		        addr, fsr);
 
-	if (ai_usermode & 2)
+	if (ai_usermode & UM_FIXUP)
 		goto fixup;
 
-	if (ai_usermode & 4)
+	if (ai_usermode & UM_SIGNAL)
 		force_sig(SIGBUS, current);
 	else
 		set_cr(cr_no_alignment);
@@ -796,6 +800,22 @@ static int __init alignment_init(void)
 	res->write_proc = proc_alignment_write;
 #endif
 
+	/*
+	 * ARMv6 and later CPUs can perform unaligned accesses for
+	 * most single load and store instructions up to word size.
+	 * LDM, STM, LDRD and STRD still need to be handled.
+	 *
+	 * Ignoring the alignment fault is not an option on these
+	 * CPUs since we spin re-faulting the instruction without
+	 * making any progress.
+	 */
+	if (cpu_architecture() >= CPU_ARCH_ARMv6 && (cr_alignment & CR_U)) {
+		cr_alignment &= ~CR_A;
+		cr_no_alignment &= ~CR_A;
+		set_cr(cr_alignment);
+		ai_usermode = UM_FIXUP;
+	}
+
 	hook_fault_code(1, do_alignment, SIGILL, "alignment exception");
 	hook_fault_code(3, do_alignment, SIGILL, "alignment exception");
 

arch/arm/mm/fault.c

@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/signal.h>
 #include <linux/mm.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>

arch/arm/plat-omap/include/mach/omapfb.h

@@ -353,8 +353,8 @@ struct omapfb_device {
 	u32			pseudo_palette[17];
 
 	struct lcd_panel	*panel;			/* LCD panel */
-	struct lcd_ctrl         *ctrl;			/* LCD controller */
-	struct lcd_ctrl		*int_ctrl;		/* internal LCD ctrl */
+	const struct lcd_ctrl	*ctrl;			/* LCD controller */
+	const struct lcd_ctrl	*int_ctrl;		/* internal LCD ctrl */
 	struct lcd_ctrl_extif	*ext_if;		/* LCD ctrl external
 							   interface */
 	struct device		*dev;

arch/arm/plat-omap/sram.c

@@ -255,7 +255,7 @@ void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
 	if (!_omap_sram_reprogram_clock)
 		omap_sram_error();
 
-	return _omap_sram_reprogram_clock(dpllctl, ckctl);
+	_omap_sram_reprogram_clock(dpllctl, ckctl);
 }
 
 int __init omap1_sram_init(void)
@@ -282,8 +282,8 @@ void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
 	if (!_omap2_sram_ddr_init)
 		omap_sram_error();
 
-	return _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
-				    base_cs, force_unlock);
+	_omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
+			     base_cs, force_unlock);
 }
 
 static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
@@ -294,7 +294,7 @@ void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
 	if (!_omap2_sram_reprogram_sdrc)
 		omap_sram_error();
 
-	return _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
+	_omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
 }
 
 static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);

arch/arm/plat-orion/pcie.c

@@ -35,7 +35,7 @@
 #define  PCIE_CONF_REG(r)		((((r) & 0xf00) << 16) | ((r) & 0xfc))
 #define  PCIE_CONF_BUS(b)		(((b) & 0xff) << 16)
 #define  PCIE_CONF_DEV(d)		(((d) & 0x1f) << 11)
-#define  PCIE_CONF_FUNC(f)		(((f) & 0x3) << 8)
+#define  PCIE_CONF_FUNC(f)		(((f) & 0x7) << 8)
 #define PCIE_CONF_DATA_OFF	0x18fc
 #define PCIE_MASK_OFF		0x1910
 #define PCIE_CTRL_OFF		0x1a00

arch/ia64/hp/sim/Kconfig

@@ -4,6 +4,7 @@ menu "HP Simulator drivers"
 
 config HP_SIMETH
 	bool "Simulated Ethernet "
+	depends on NET
 
 config HP_SIMSERIAL
 	bool "Simulated serial driver support"

arch/ia64/include/asm/paravirt_privop.h

@@ -83,7 +83,6 @@ extern unsigned long ia64_native_getreg_func(int regnum);
 #define paravirt_getreg(reg)					\
 	({							\
 		unsigned long res;				\
-		BUILD_BUG_ON(!__builtin_constant_p(reg));	\
 		if ((reg) == _IA64_REG_IP)			\
 			res = ia64_native_getreg(_IA64_REG_IP); \
 		else						\

arch/ia64/kernel/topology.c

@@ -53,10 +53,12 @@ int __ref arch_register_cpu(int num)
 }
 EXPORT_SYMBOL(arch_register_cpu);
 
-void arch_unregister_cpu(int num)
+void __ref arch_unregister_cpu(int num)
 {
 	unregister_cpu(&sysfs_cpus[num].cpu);
+#ifdef CONFIG_ACPI
 	unmap_cpu_from_node(num, cpu_to_node(num));
+#endif
 }
 EXPORT_SYMBOL(arch_unregister_cpu);
 #else

arch/ia64/sn/kernel/irq.c

@@ -5,7 +5,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2007 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2008 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 #include <linux/irq.h>
@@ -375,6 +375,7 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
 	int cpu = nasid_slice_to_cpuid(nasid, slice);
 #ifdef CONFIG_SMP
 	int cpuphys;
+	irq_desc_t *desc;
 #endif
 
 	pci_dev_get(pci_dev);
@@ -391,6 +392,12 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
 #ifdef CONFIG_SMP
 	cpuphys = cpu_physical_id(cpu);
 	set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0);
+	desc = irq_to_desc(sn_irq_info->irq_irq);
+	/*
+	 * Affinity was set by the PROM, prevent it from
+	 * being reset by the request_irq() path.
+	 */
+	desc->status |= IRQ_AFFINITY_SET;
 #endif
 }
 

arch/ia64/sn/kernel/setup.c

@@ -200,7 +200,7 @@ static int __cpuinitdata shub_1_1_found;
  * Set flag for enabling shub specific wars
  */
 
-static inline int __init is_shub_1_1(int nasid)
+static inline int __cpuinit is_shub_1_1(int nasid)
 {
 	unsigned long id;
 	int rev;
@@ -212,7 +212,7 @@ static inline int __init is_shub_1_1(int nasid)
 	return rev <= 2;
 }
 
-static void __init sn_check_for_wars(void)
+static void __cpuinit sn_check_for_wars(void)
 {
 	int cnode;
 
@@ -512,7 +512,6 @@ static void __init sn_init_pdas(char **cmdline_p)
 	for_each_online_node(cnode) {
 		nodepdaindr[cnode] =
 		    alloc_bootmem_node(NODE_DATA(cnode), sizeof(nodepda_t));
-		memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
 		memset(nodepdaindr[cnode]->phys_cpuid, -1,
 		    sizeof(nodepdaindr[cnode]->phys_cpuid));
 		spin_lock_init(&nodepdaindr[cnode]->ptc_lock);
@@ -521,11 +520,9 @@ static void __init sn_init_pdas(char **cmdline_p)
 	/*
 	 * Allocate & initialize nodepda for TIOs.  For now, put them on node 0.
 	 */
-	for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) {
+	for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++)
 		nodepdaindr[cnode] =
 		    alloc_bootmem_node(NODE_DATA(0), sizeof(nodepda_t));
-		memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
-	}
 
 	/*
 	 * Now copy the array of nodepda pointers to each nodepda.

arch/mips/Kconfig.debug

@@ -48,7 +48,7 @@ config RUNTIME_DEBUG
 	help
 	  If you say Y here, some debugging macros will do run-time checking.
 	  If you say N here, those macros will mostly turn to no-ops.  See
-	  include/asm-mips/debug.h for debuging macros.
+	  arch/mips/include/asm/debug.h for debugging macros.
 	  If unsure, say N.
 
 endmenu

arch/mips/include/asm/asmmacro.h

@@ -35,6 +35,16 @@
 	mtc0	\reg, CP0_TCSTATUS
 	_ehb
 	.endm
+#elif defined(CONFIG_CPU_MIPSR2)
+	.macro	local_irq_enable reg=t0
+	ei
+	irq_enable_hazard
+	.endm
+
+	.macro	local_irq_disable reg=t0
+	di
+	irq_disable_hazard
+	.endm
 #else
 	.macro	local_irq_enable reg=t0
 	mfc0	\reg, CP0_STATUS

arch/mips/include/asm/pci.h

@@ -79,6 +79,11 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
 	/* We don't do dynamic PCI IRQ allocation */
 }
 
+#define HAVE_PCI_MMAP
+
+extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+	enum pci_mmap_state mmap_state, int write_combine);
+
 /*
  * Dynamic DMA mapping stuff.
  * MIPS has everything mapped statically.

arch/mips/kernel/scall32-o32.S

@@ -262,14 +262,11 @@ bad_alignment:
 	LEAF(sys_syscall)
 	subu	t0, a0, __NR_O32_Linux	# check syscall number
 	sltiu	v0, t0, __NR_O32_Linux_syscalls + 1
+	beqz	t0, einval		# do not recurse
 	sll	t1, t0, 3
 	beqz	v0, einval
-
 	lw	t2, sys_call_table(t1)		# syscall routine
 
-	li	v1, 4000 - __NR_O32_Linux	# index of sys_syscall
-	beq	t0, v1, einval			# do not recurse
-
 	/* Some syscalls like execve get their arguments from struct pt_regs
 	   and claim zero arguments in the syscall table. Thus we have to
 	   assume the worst case and shuffle around all potential arguments.
@@ -627,7 +624,7 @@ einval:	li	v0, -ENOSYS
 	sys	sys_pselect6		6
 	sys	sys_ppoll		5
 	sys	sys_unshare		1
-	sys	sys_splice		4
+	sys	sys_splice		6
 	sys	sys_sync_file_range	7	/* 4305 */
 	sys	sys_tee			4
 	sys	sys_vmsplice		4

arch/mips/kernel/scall64-n32.S

@@ -390,7 +390,7 @@ EXPORT(sysn32_call_table)
 	PTR	sys_splice
 	PTR	sys_sync_file_range
 	PTR	sys_tee
-	PTR	sys_vmsplice			/* 6270 */
+	PTR	compat_sys_vmsplice		/* 6270 */
 	PTR	sys_move_pages
 	PTR	compat_sys_set_robust_list
 	PTR	compat_sys_get_robust_list

arch/mips/kernel/scall64-o32.S

@@ -174,14 +174,12 @@ not_o32_scall:
 	END(handle_sys)
 
 LEAF(sys32_syscall)
-	sltu	v0, a0, __NR_O32_Linux + __NR_O32_Linux_syscalls + 1
+	subu	t0, a0, __NR_O32_Linux	# check syscall number
+	sltiu	v0, t0, __NR_O32_Linux_syscalls + 1
+	beqz	t0, einval		# do not recurse
+	dsll	t1, t0, 3
 	beqz	v0, einval
-
-	dsll	v0, a0, 3
-	ld	t2, (sys_call_table - (__NR_O32_Linux * 8))(v0)
-
-	li	v1, 4000		# indirect syscall number
-	beq	a0, v1, einval		# do not recurse
+	ld	t2, sys_call_table(t1)		# syscall routine
 
 	move	a0, a1			# shift argument registers
 	move	a1, a2
@@ -198,7 +196,7 @@ LEAF(sys32_syscall)
 	jr	t2
 	/* Unreached */
 
-einval:	li	v0, -EINVAL
+einval:	li	v0, -ENOSYS
 	jr	ra
 	END(sys32_syscall)
 
@@ -512,7 +510,7 @@ sys_call_table:
 	PTR	sys_splice
 	PTR	sys32_sync_file_range		/* 4305 */
 	PTR	sys_tee
-	PTR	sys_vmsplice
+	PTR	compat_sys_vmsplice
 	PTR	compat_sys_move_pages
 	PTR	compat_sys_set_robust_list
 	PTR	compat_sys_get_robust_list	/* 4310 */

arch/mips/kernel/vpe.c

@@ -1134,7 +1134,7 @@ static int vpe_release(struct inode *inode, struct file *filp)
 
 	/* It's good to be able to run the SP and if it chokes have a look at
 	   the /dev/rt?. But if we reset the pointer to the shared struct we
-	   loose what has happened. So perhaps if garbage is sent to the vpe
+	   lose what has happened. So perhaps if garbage is sent to the vpe
 	   device, use it as a trigger for the reset. Hopefully a nice
 	   executable will be along shortly. */
 	if (ret < 0)

arch/mips/mm/dma-default.c

@@ -111,6 +111,7 @@ EXPORT_SYMBOL(dma_alloc_coherent);
 void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr,
 	dma_addr_t dma_handle)
 {
+	plat_unmap_dma_mem(dma_handle);
 	free_pages((unsigned long) vaddr, get_order(size));
 }
 
@@ -121,6 +122,8 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 {
 	unsigned long addr = (unsigned long) vaddr;
 
+	plat_unmap_dma_mem(dma_handle);
+
 	if (!plat_device_is_coherent(dev))
 		addr = CAC_ADDR(addr);
 

arch/mips/mti-malta/Makefile

@@ -7,9 +7,8 @@
 #
 obj-y				:= malta-amon.o malta-cmdline.o \
 				   malta-display.o malta-init.o malta-int.o \
-				   malta-memory.o malta-mtd.o \
-				   malta-platform.o malta-reset.o \
-				   malta-setup.o malta-time.o
+				   malta-memory.o malta-platform.o \
+				   malta-reset.o malta-setup.o malta-time.o
 
 obj-$(CONFIG_EARLY_PRINTK)	+= malta-console.o
 obj-$(CONFIG_PCI)		+= malta-pci.o

arch/mips/mti-malta/malta-mtd.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2006 MIPS Technologies, Inc.
- *     written by Ralf Baechle <ralf@linux-mips.org>
- */
-
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/physmap.h>
-#include <mtd/mtd-abi.h>
-
-static struct mtd_partition malta_mtd_partitions[] = {
-	{
-		.name =		"YAMON",
-		.offset =	0x0,
-		.size =		0x100000,
-		.mask_flags =	MTD_WRITEABLE
-	}, {
-		.name =		"User FS",
-		.offset = 	0x100000,
-		.size =		0x2e0000
-	}, {
-		.name =		"Board Config",
-		.offset =	0x3e0000,
-		.size =		0x020000,
-		.mask_flags =	MTD_WRITEABLE
-	}
-};
-
-static struct physmap_flash_data malta_flash_data = {
-	.width		= 4,
-	.nr_parts	= ARRAY_SIZE(malta_mtd_partitions),
-	.parts		= malta_mtd_partitions
-};
-
-static struct resource malta_flash_resource = {
-	.start		= 0x1e000000,
-	.end		= 0x1e3fffff,
-	.flags		= IORESOURCE_MEM
-};
-
-static struct platform_device malta_flash = {
-	.name		= "physmap-flash",
-	.id		= 0,
-	.dev		= {
-		.platform_data	= &malta_flash_data,
-	},
-	.num_resources	= 1,
-	.resource	= &malta_flash_resource,
-};
-
-static int __init malta_mtd_init(void)
-{
-	platform_device_register(&malta_flash);
-
-	return 0;
-}
-
-module_init(malta_mtd_init)

arch/mips/mti-malta/malta-platform.c

@@ -3,10 +3,14 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2007 MIPS Technologies, Inc.
+ * Copyright (C) 2006, 07 MIPS Technologies, Inc.
  *   written by Ralf Baechle (ralf@linux-mips.org)
+ *     written by Ralf Baechle <ralf@linux-mips.org>
  *
- * Probe driver for the Malta's UART ports:
+ * Copyright (C) 2008 Wind River Systems, Inc.
+ *   updated by Tiejun Chen <tiejun.chen@windriver.com>
+ *
+ * 1. Probe driver for the Malta's UART ports:
  *
  *   o 2 ports in the SMC SuperIO
  *   o 1 port in the CBUS UART, a discrete 16550 which normally is only used
@@ -14,10 +18,17 @@
  *
  * We don't use 8250_platform.c on Malta as it would result in the CBUS
  * UART becoming ttyS0.
+ *
+ * 2. Register RTC-CMOS platform device on Malta.
  */
-#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/serial_8250.h>
+#include <linux/mc146818rtc.h>
+#include <linux/module.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <mtd/mtd-abi.h>
 
 #define SMC_PORT(base, int)						\
 {									\
@@ -45,21 +56,93 @@ static struct plat_serial8250_port uart8250_data[] = {
 	{ },
 };
 
-static struct platform_device uart8250_device = {
+static struct platform_device malta_uart8250_device = {
 	.name			= "serial8250",
-	.id			= PLAT8250_DEV_PLATFORM2,
+	.id			= PLAT8250_DEV_PLATFORM,
 	.dev			= {
 		.platform_data	= uart8250_data,
 	},
 };
 
-static int __init uart8250_init(void)
+struct resource malta_rtc_resources[] = {
+	{
+		.start	= RTC_PORT(0),
+		.end	= RTC_PORT(7),
+		.flags	= IORESOURCE_IO,
+	}, {
+		.start	= RTC_IRQ,
+		.end	= RTC_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device malta_rtc_device = {
+	.name		= "rtc_cmos",
+	.id		= -1,
+	.resource	= malta_rtc_resources,
+	.num_resources	= ARRAY_SIZE(malta_rtc_resources),
+};
+
+static struct mtd_partition malta_mtd_partitions[] = {
+	{
+		.name =		"YAMON",
+		.offset =	0x0,
+		.size =		0x100000,
+		.mask_flags =	MTD_WRITEABLE
+	}, {
+		.name =		"User FS",
+		.offset = 	0x100000,
+		.size =		0x2e0000
+	}, {
+		.name =		"Board Config",
+		.offset =	0x3e0000,
+		.size =		0x020000,
+		.mask_flags =	MTD_WRITEABLE
+	}
+};
+
+static struct physmap_flash_data malta_flash_data = {
+	.width		= 4,
+	.nr_parts	= ARRAY_SIZE(malta_mtd_partitions),
+	.parts		= malta_mtd_partitions
+};
+
+static struct resource malta_flash_resource = {
+	.start		= 0x1e000000,
+	.end		= 0x1e3fffff,
+	.flags		= IORESOURCE_MEM
+};
+
+static struct platform_device malta_flash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &malta_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &malta_flash_resource,
+};
+
+static struct platform_device *malta_devices[] __initdata = {
+	&malta_uart8250_device,
+	&malta_rtc_device,
+	&malta_flash_device,
+};
+
+static int __init malta_add_devices(void)
 {
-	return platform_device_register(&uart8250_device);
-}
+	int err;
 
-module_init(uart8250_init);
+	err = platform_add_devices(malta_devices, ARRAY_SIZE(malta_devices));
+	if (err)
+		return err;
+
+	/*
+	 * Set RTC to BCD mode to support current alarm code.
+	 */
+	CMOS_WRITE(CMOS_READ(RTC_CONTROL) & ~RTC_DM_BINARY, RTC_CONTROL);
+
+	return 0;
+}
 
-MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("8250 UART probe driver for the Malta CBUS UART");
+device_initcall(malta_add_devices);

arch/mips/pci/pci.c

@@ -354,6 +354,30 @@ EXPORT_SYMBOL(PCIBIOS_MIN_IO);
 EXPORT_SYMBOL(PCIBIOS_MIN_MEM);
 #endif
 
+int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+			enum pci_mmap_state mmap_state, int write_combine)
+{
+	unsigned long prot;
+
+	/*
+	 * I/O space can be accessed via normal processor loads and stores on
+	 * this platform but for now we elect not to do this and portable
+	 * drivers should not do this anyway.
+	 */
+	if (mmap_state == pci_mmap_io)
+		return -EINVAL;
+
+	/*
+	 * Ignore write-combine; for now only return uncached mappings.
+	 */
+	prot = pgprot_val(vma->vm_page_prot);
+	prot = (prot & ~_CACHE_MASK) | _CACHE_UNCACHED;
+	vma->vm_page_prot = __pgprot(prot);
+
+	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+		vma->vm_end - vma->vm_start, vma->vm_page_prot);
+}
+
 char * (*pcibios_plat_setup)(char *str) __devinitdata;
 
 char *__devinit pcibios_setup(char *str)

arch/mn10300/kernel/entry.S

@@ -180,6 +180,7 @@ ENTRY(resume_userspace)
 
 #ifdef CONFIG_PREEMPT
 ENTRY(resume_kernel)
+	__cli
 	mov	(TI_preempt_count,a2),d0	# non-zero preempt_count ?
 	cmp	0,d0
 	bne	restore_all
@@ -190,7 +191,7 @@ need_resched:
 	mov	(REG_EPSW,fp),d0
 	and	EPSW_IM,d0
 	cmp	EPSW_IM_7,d0		# interrupts off (exception path) ?
-	beq	restore_all
+	bne	restore_all
 	call	preempt_schedule_irq[],0
 	jmp	need_resched
 #endif

arch/mn10300/kernel/gdb-io-serial.c

@@ -99,6 +99,7 @@ int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
  try_again:
 	/* pull chars out of the buffer */
 	ix = gdbstub_rx_outp;
+	barrier();
 	if (ix == gdbstub_rx_inp) {
 		if (nonblock)
 			return -EAGAIN;
@@ -110,6 +111,7 @@ int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
 
 	ch = gdbstub_rx_buffer[ix++];
 	st = gdbstub_rx_buffer[ix++];
+	barrier();
 	gdbstub_rx_outp = ix & 0x00000fff;
 
 	if (st & UART_LSR_BI) {

arch/mn10300/kernel/mn10300-serial.c

@@ -566,6 +566,11 @@ static void mn10300_serial_transmit_interrupt(struct mn10300_serial_port *port)
 {
 	_enter("%s", port->name);
 
+	if (!port->uart.info || !port->uart.info->port.tty) {
+		mn10300_serial_dis_tx_intr(port);
+		return;
+	}
+
 	if (uart_tx_stopped(&port->uart) ||
 	    uart_circ_empty(&port->uart.info->xmit))
 		mn10300_serial_dis_tx_intr(port);

arch/mn10300/kernel/setup.c

@@ -161,7 +161,7 @@ void __init setup_arch(char **cmdline_p)
 	   reserve the page it is occupying. */
 	if (CONFIG_INTERRUPT_VECTOR_BASE >= CONFIG_KERNEL_RAM_BASE_ADDRESS &&
 	    CONFIG_INTERRUPT_VECTOR_BASE < memory_end)
-		reserve_bootmem(CONFIG_INTERRUPT_VECTOR_BASE, 1,
+		reserve_bootmem(CONFIG_INTERRUPT_VECTOR_BASE, PAGE_SIZE,
 				BOOTMEM_DEFAULT);
 
 	reserve_bootmem(PAGE_ALIGN(PFN_PHYS(free_pfn)), bootmap_size,

arch/mn10300/kernel/vmlinux.lds.S

@@ -11,6 +11,7 @@
 #define __VMLINUX_LDS__
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/thread_info.h>
+#include <asm/page.h>
 
 OUTPUT_FORMAT("elf32-am33lin", "elf32-am33lin", "elf32-am33lin")
 OUTPUT_ARCH(mn10300)
@@ -55,13 +56,13 @@ SECTIONS
 	CONSTRUCTORS
 	}
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __nosave_begin = .;
   .data_nosave : { *(.data.nosave) }
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __nosave_end = .;
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data.page_aligned : { *(.data.idt) }
 
   . = ALIGN(32);
@@ -78,7 +79,7 @@ SECTIONS
   .data.init_task : { *(.data.init_task) }
 
   /* might get freed after init */
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
   	__smp_locks = .;
 	*(.smp_locks)
@@ -86,7 +87,7 @@ SECTIONS
   }
 
   /* will be freed after init */
-  . = ALIGN(4096);		/* Init code and data */
+  . = ALIGN(PAGE_SIZE);		/* Init code and data */
   __init_begin = .;
   .init.text : {
 	_sinittext = .;
@@ -120,17 +121,14 @@ SECTIONS
   .exit.data : { *(.exit.data) }
 
 #ifdef CONFIG_BLK_DEV_INITRD
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
 #endif
 
-  . = ALIGN(32);
-  __per_cpu_start = .;
-  .data.percpu  : { *(.data.percpu) }
-  __per_cpu_end = .;
-  . = ALIGN(4096);
+  PERCPU(32)
+  . = ALIGN(PAGE_SIZE);
   __init_end = .;
   /* freed after init ends here */
 
@@ -145,7 +143,7 @@ SECTIONS
   _end = . ;
 
   /* This is where the kernel creates the early boot page tables */
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   pg0 = .;
 
   /* Sections to be discarded */

arch/powerpc/boot/Makefile

@@ -41,6 +41,7 @@ $(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
 $(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
 $(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 

arch/powerpc/configs/83xx/mpc834x_itx_defconfig

@@ -723,7 +723,7 @@ CONFIG_CICADA_PHY=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
-# CONFIG_FIXED_PHY is not set
+CONFIG_FIXED_PHY=y
 # CONFIG_MDIO_BITBANG is not set
 # CONFIG_NET_ETHERNET is not set
 CONFIG_NETDEV_1000=y

arch/powerpc/configs/mpc83xx_defconfig

@@ -682,7 +682,7 @@ CONFIG_VITESSE_PHY=y
 # CONFIG_BROADCOM_PHY is not set
 CONFIG_ICPLUS_PHY=y
 # CONFIG_REALTEK_PHY is not set
-# CONFIG_FIXED_PHY is not set
+CONFIG_FIXED_PHY=y
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y

arch/powerpc/kernel/cpu_setup_44x.S

@@ -40,6 +40,7 @@ _GLOBAL(__setup_cpu_460gt)
 	mtlr	r4
 	blr
 
+_GLOBAL(__setup_cpu_440x5)
 _GLOBAL(__setup_cpu_440gx)
 _GLOBAL(__setup_cpu_440spe)
 	b	__fixup_440A_mcheck

arch/powerpc/kernel/cputable.c

@@ -39,6 +39,7 @@ extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
@@ -1500,6 +1501,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.cpu_user_features	= COMMON_USER_BOOKE,
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
+		.cpu_setup		= __setup_cpu_440x5,
+		.machine_check		= machine_check_440A,
 		.platform		= "ppc440",
 	},
 	{ /* 460EX */

arch/powerpc/kernel/misc_32.S

@@ -479,17 +479,20 @@ _GLOBAL(_tlbil_pid)
  * (no broadcast)
  */
 _GLOBAL(_tlbil_va)
+	mfmsr	r10
+	wrteei	0
 	slwi	r4,r4,16
 	mtspr	SPRN_MAS6,r4		/* assume AS=0 for now */
 	tlbsx	0,r3
 	mfspr	r4,SPRN_MAS1		/* check valid */
 	andis.	r3,r4,MAS1_VALID@h
-	beqlr
+	beq	1f
 	rlwinm	r4,r4,0,1,31
 	mtspr	SPRN_MAS1,r4
 	tlbwe
 	msync
 	isync
+1:	wrtee	r10
 	blr
 #endif /* CONFIG_FSL_BOOKE */
 

arch/powerpc/lib/rheap.c

@@ -556,6 +556,7 @@ unsigned long rh_alloc_fixed(rh_info_t * info, unsigned long start, int size, co
 		be = blk->start + blk->size;
 		if (s >= bs && e <= be)
 			break;
+		blk = NULL;
 	}
 
 	if (blk == NULL)

arch/powerpc/mm/hugetlbpage.c

@@ -507,6 +507,9 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 {
 	struct hstate *hstate = hstate_file(file);
 	int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate));
+
+	if (!mmu_huge_psizes[mmu_psize])
+		return -EINVAL;
 	return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0);
 }
 

arch/powerpc/mm/numa.c

@@ -901,10 +901,17 @@ static void mark_reserved_regions_for_nid(int nid)
 			if (end_pfn > node_ar.end_pfn)
 				reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
 					- (start_pfn << PAGE_SHIFT);
-			dbg("reserve_bootmem %lx %lx nid=%d\n", physbase,
-				reserve_size, node_ar.nid);
-			reserve_bootmem_node(NODE_DATA(node_ar.nid), physbase,
-						reserve_size, BOOTMEM_DEFAULT);
+			/*
+			 * Only worry about *this* node, others may not
+			 * yet have valid NODE_DATA().
+			 */
+			if (node_ar.nid == nid) {
+				dbg("reserve_bootmem %lx %lx nid=%d\n",
+					physbase, reserve_size, node_ar.nid);
+				reserve_bootmem_node(NODE_DATA(node_ar.nid),
+						physbase, reserve_size,
+						BOOTMEM_DEFAULT);
+			}
 			/*
 			 * if reserved region is contained in the active region
 			 * then done.
@@ -929,7 +936,6 @@ static void mark_reserved_regions_for_nid(int nid)
 void __init do_init_bootmem(void)
 {
 	int nid;
-	unsigned int i;
 
 	min_low_pfn = 0;
 	max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;

arch/powerpc/platforms/cell/axon_msi.c

@@ -413,6 +413,9 @@ static int axon_msi_probe(struct of_device *device,
 			MSIC_CTRL_IRQ_ENABLE | MSIC_CTRL_ENABLE |
 			MSIC_CTRL_FIFO_SIZE);
 
+	msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG)
+				& MSIC_FIFO_SIZE_MASK;
+
 	device->dev.platform_data = msic;
 
 	ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs;

arch/sh/Kconfig

@@ -55,6 +55,8 @@ config GENERIC_HARDIRQS
 
 config GENERIC_HARDIRQS_NO__DO_IRQ
 	def_bool y
+	depends on SUPERH32 && (!SH_DREAMCAST && !SH_SH4202_MICRODEV && \
+				!SH_7751_SYSTEMH && !HD64461)
 
 config GENERIC_IRQ_PROBE
 	def_bool y

arch/sparc/include/asm/bitops_32.h

@@ -98,6 +98,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 #include <asm-generic/bitops/hweight.h>
 #include <asm-generic/bitops/lock.h>

arch/sparc64/kernel/ptrace.c

@@ -1014,7 +1014,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 	case PTRACE_SETFPREGS64:
-		ret = copy_regset_to_user(child, view, REGSET_FP,
+		ret = copy_regset_from_user(child, view, REGSET_FP,
 					  0 * sizeof(u64),
 					  33 * sizeof(u64),
 					  fps);

arch/sparc64/kernel/visemul.c

@@ -131,7 +131,7 @@
 #define VIS_OPF_SHIFT	5
 #define VIS_OPF_MASK	(0x1ff << VIS_OPF_SHIFT)
 
-#define RS1(INSN)	(((INSN) >> 24) & 0x1f)
+#define RS1(INSN)	(((INSN) >> 14) & 0x1f)
 #define RS2(INSN)	(((INSN) >>  0) & 0x1f)
 #define RD(INSN)	(((INSN) >> 25) & 0x1f)
 
@@ -445,7 +445,7 @@ static void pdist(struct pt_regs *regs, unsigned int insn)
 	unsigned long i;
 
 	rs1 = fpd_regval(f, RS1(insn));
-	rs2 = fpd_regval(f, RS1(insn));
+	rs2 = fpd_regval(f, RS2(insn));
 	rd = fpd_regaddr(f, RD(insn));
 
 	rd_val = *rd;
@@ -807,6 +807,8 @@ int vis_emul(struct pt_regs *regs, unsigned int insn)
 	if (get_user(insn, (u32 __user *) pc))
 		return -EFAULT;
 
+	save_and_clear_fpu();
+
 	opf = (insn & VIS_OPF_MASK) >> VIS_OPF_SHIFT;
 	switch (opf) {
 	default:

arch/um/drivers/mconsole_kern.c

@@ -16,6 +16,8 @@
 #include <linux/slab.h>
 #include <linux/syscalls.h>
 #include <linux/utsname.h>
+#include <linux/socket.h>
+#include <linux/un.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
 #include <asm/uaccess.h>
@@ -785,7 +787,7 @@ static int __init mconsole_init(void)
 	/* long to avoid size mismatch warnings from gcc */
 	long sock;
 	int err;
-	char file[256];
+	char file[UNIX_PATH_MAX];
 
 	if (umid_file_name("mconsole", file, sizeof(file)))
 		return -1;

arch/x86/include/asm/amd_iommu_types.h

@@ -251,13 +251,6 @@ struct amd_iommu {
 	/* Pointer to PCI device of this IOMMU */
 	struct pci_dev *dev;
 
-	/*
-	 * Capability pointer. There could be more than one IOMMU per PCI
-	 * device function if there are more than one AMD IOMMU capability
-	 * pointers.
-	 */
-	u16 cap_ptr;
-
 	/* physical address of MMIO space */
 	u64 mmio_phys;
 	/* virtual address of MMIO space */
@@ -266,6 +259,13 @@ struct amd_iommu {
 	/* capabilities of that IOMMU read from ACPI */
 	u32 cap;
 
+	/*
+	 * Capability pointer. There could be more than one IOMMU per PCI
+	 * device function if there are more than one AMD IOMMU capability
+	 * pointers.
+	 */
+	u16 cap_ptr;
+
 	/* pci domain of this IOMMU */
 	u16 pci_seg;
 
@@ -284,19 +284,19 @@ struct amd_iommu {
 	/* size of command buffer */
 	u32 cmd_buf_size;
 
-	/* event buffer virtual address */
-	u8 *evt_buf;
 	/* size of event buffer */
 	u32 evt_buf_size;
+	/* event buffer virtual address */
+	u8 *evt_buf;
 	/* MSI number for event interrupt */
 	u16 evt_msi_num;
 
-	/* if one, we need to send a completion wait command */
-	int need_sync;
-
 	/* true if interrupts for this IOMMU are already enabled */
 	bool int_enabled;
 
+	/* if one, we need to send a completion wait command */
+	int need_sync;
+
 	/* default dma_ops domain for that IOMMU */
 	struct dma_ops_domain *default_dom;
 };

arch/x86/include/asm/dma-mapping.h

@@ -71,15 +71,13 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
 /* Make sure we keep the same behaviour */
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
-#ifdef CONFIG_X86_32
-	return 0;
-#else
+#ifdef CONFIG_X86_64
 	struct dma_mapping_ops *ops = get_dma_ops(dev);
 	if (ops->mapping_error)
 		return ops->mapping_error(dev, dma_addr);
 
-	return (dma_addr == bad_dma_address);
 #endif
+	return (dma_addr == bad_dma_address);
 }
 
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)

arch/x86/include/asm/topology.h

@@ -239,7 +239,7 @@ struct pci_bus;
 void set_pci_bus_resources_arch_default(struct pci_bus *b);
 
 #ifdef CONFIG_SMP
-#define mc_capable()			(boot_cpu_data.x86_max_cores > 1)
+#define mc_capable()	(cpus_weight(per_cpu(cpu_core_map, 0)) != nr_cpu_ids)
 #define smt_capable()			(smp_num_siblings > 1)
 #endif
 

arch/x86/include/asm/vmi.h

@@ -223,9 +223,15 @@ struct pci_header {
 } __attribute__((packed));
 
 /* Function prototypes for bootstrapping */
+#ifdef CONFIG_VMI
 extern void vmi_init(void);
+extern void vmi_activate(void);
 extern void vmi_bringup(void);
-extern void vmi_apply_boot_page_allocations(void);
+#else
+static inline void vmi_init(void) {}
+static inline void vmi_activate(void) {}
+static inline void vmi_bringup(void) {}
+#endif
 
 /* State needed to start an application processor in an SMP system. */
 struct vmi_ap_state {

arch/x86/kernel/amd_iommu.c

@@ -187,6 +187,8 @@ static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
 
 	spin_lock_irqsave(&iommu->lock, flags);
 	ret = __iommu_queue_command(iommu, cmd);
+	if (!ret)
+		iommu->need_sync = 1;
 	spin_unlock_irqrestore(&iommu->lock, flags);
 
 	return ret;
@@ -210,10 +212,13 @@ static int iommu_completion_wait(struct amd_iommu *iommu)
 	cmd.data[0] = CMD_COMPL_WAIT_INT_MASK;
 	CMD_SET_TYPE(&cmd, CMD_COMPL_WAIT);
 
-	iommu->need_sync = 0;
-
 	spin_lock_irqsave(&iommu->lock, flags);
 
+	if (!iommu->need_sync)
+		goto out;
+
+	iommu->need_sync = 0;
+
 	ret = __iommu_queue_command(iommu, &cmd);
 
 	if (ret)
@@ -254,8 +259,6 @@ static int iommu_queue_inv_dev_entry(struct amd_iommu *iommu, u16 devid)
 
 	ret = iommu_queue_command(iommu, &cmd);
 
-	iommu->need_sync = 1;
-
 	return ret;
 }
 
@@ -281,8 +284,6 @@ static int iommu_queue_inv_iommu_pages(struct amd_iommu *iommu,
 
 	ret = iommu_queue_command(iommu, &cmd);
 
-	iommu->need_sync = 1;
-
 	return ret;
 }
 
@@ -343,7 +344,7 @@ static int iommu_map(struct protection_domain *dom,
 	u64 __pte, *pte, *page;
 
 	bus_addr  = PAGE_ALIGN(bus_addr);
-	phys_addr = PAGE_ALIGN(bus_addr);
+	phys_addr = PAGE_ALIGN(phys_addr);
 
 	/* only support 512GB address spaces for now */
 	if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK))
@@ -599,7 +600,7 @@ static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom)
 			continue;
 
 		p2 = IOMMU_PTE_PAGE(p1[i]);
-		for (j = 0; j < 512; ++i) {
+		for (j = 0; j < 512; ++j) {
 			if (!IOMMU_PTE_PRESENT(p2[j]))
 				continue;
 			p3 = IOMMU_PTE_PAGE(p2[j]);
@@ -762,8 +763,6 @@ static void set_device_domain(struct amd_iommu *iommu,
 	write_unlock_irqrestore(&amd_iommu_devtable_lock, flags);
 
 	iommu_queue_inv_dev_entry(iommu, devid);
-
-	iommu->need_sync = 1;
 }
 
 /*****************************************************************************
@@ -858,6 +857,9 @@ static int get_device_resources(struct device *dev,
 		print_devid(_bdf, 1);
 	}
 
+	if (domain_for_device(_bdf) == NULL)
+		set_device_domain(*iommu, *domain, _bdf);
+
 	return 1;
 }
 
@@ -908,7 +910,7 @@ static void dma_ops_domain_unmap(struct amd_iommu *iommu,
 	if (address >= dom->aperture_size)
 		return;
 
-	WARN_ON(address & 0xfffULL || address > dom->aperture_size);
+	WARN_ON(address & ~PAGE_MASK || address >= dom->aperture_size);
 
 	pte  = dom->pte_pages[IOMMU_PTE_L1_INDEX(address)];
 	pte += IOMMU_PTE_L0_INDEX(address);
@@ -920,8 +922,8 @@ static void dma_ops_domain_unmap(struct amd_iommu *iommu,
 
 /*
  * This function contains common code for mapping of a physically
- * contiguous memory region into DMA address space. It is uses by all
- * mapping functions provided by this IOMMU driver.
+ * contiguous memory region into DMA address space. It is used by all
+ * mapping functions provided with this IOMMU driver.
  * Must be called with the domain lock held.
  */
 static dma_addr_t __map_single(struct device *dev,
@@ -981,7 +983,8 @@ static void __unmap_single(struct amd_iommu *iommu,
 	dma_addr_t i, start;
 	unsigned int pages;
 
-	if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size))
+	if ((dma_addr == bad_dma_address) ||
+	    (dma_addr + size > dma_dom->aperture_size))
 		return;
 
 	pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
@@ -1031,8 +1034,7 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr,
 	if (addr == bad_dma_address)
 		goto out;
 
-	if (unlikely(iommu->need_sync))
-		iommu_completion_wait(iommu);
+	iommu_completion_wait(iommu);
 
 out:
 	spin_unlock_irqrestore(&domain->lock, flags);
@@ -1060,8 +1062,7 @@ static void unmap_single(struct device *dev, dma_addr_t dma_addr,
 
 	__unmap_single(iommu, domain->priv, dma_addr, size, dir);
 
-	if (unlikely(iommu->need_sync))
-		iommu_completion_wait(iommu);
+	iommu_completion_wait(iommu);
 
 	spin_unlock_irqrestore(&domain->lock, flags);
 }
@@ -1127,8 +1128,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist,
 			goto unmap;
 	}
 
-	if (unlikely(iommu->need_sync))
-		iommu_completion_wait(iommu);
+	iommu_completion_wait(iommu);
 
 out:
 	spin_unlock_irqrestore(&domain->lock, flags);
@@ -1173,8 +1173,7 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist,
 		s->dma_address = s->dma_length = 0;
 	}
 
-	if (unlikely(iommu->need_sync))
-		iommu_completion_wait(iommu);
+	iommu_completion_wait(iommu);
 
 	spin_unlock_irqrestore(&domain->lock, flags);
 }
@@ -1225,8 +1224,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
 		goto out;
 	}
 
-	if (unlikely(iommu->need_sync))
-		iommu_completion_wait(iommu);
+	iommu_completion_wait(iommu);
 
 out:
 	spin_unlock_irqrestore(&domain->lock, flags);
@@ -1257,8 +1255,7 @@ static void free_coherent(struct device *dev, size_t size,
 
 	__unmap_single(iommu, domain->priv, dma_addr, size, DMA_BIDIRECTIONAL);
 
-	if (unlikely(iommu->need_sync))
-		iommu_completion_wait(iommu);
+	iommu_completion_wait(iommu);
 
 	spin_unlock_irqrestore(&domain->lock, flags);
 

arch/x86/kernel/mpparse.c

@@ -604,6 +604,9 @@ static void __init __get_smp_config(unsigned int early)
 		printk(KERN_INFO "Using ACPI for processor (LAPIC) "
 		       "configuration information\n");
 
+	if (!mpf)
+		return;
+
 	printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
 	       mpf->mpf_specification);
 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)

arch/x86/kernel/paravirt-spinlocks.c

@@ -7,7 +7,8 @@
 
 #include <asm/paravirt.h>
 
-static void default_spin_lock_flags(struct raw_spinlock *lock, unsigned long flags)
+static inline void
+default_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
 {
 	__raw_spin_lock(lock);
 }

arch/x86/kernel/pci-gart_64.c

@@ -123,6 +123,8 @@ static void free_iommu(unsigned long offset, int size)
 
 	spin_lock_irqsave(&iommu_bitmap_lock, flags);
 	iommu_area_free(iommu_gart_bitmap, offset, size);
+	if (offset >= next_bit)
+		next_bit = offset + size;
 	spin_unlock_irqrestore(&iommu_bitmap_lock, flags);
 }
 

arch/x86/kernel/setup.c

@@ -794,6 +794,9 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
+	/* VMI may relocate the fixmap; do this before touching ioremap area */
+	vmi_init();
+
 	early_cpu_init();
 	early_ioremap_init();
 
@@ -880,13 +883,8 @@ void __init setup_arch(char **cmdline_p)
 	check_efer();
 #endif
 
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
-	/*
-	 * Must be before kernel pagetables are setup
-	 * or fixmap area is touched.
-	 */
-	vmi_init();
-#endif
+	/* Must be before kernel pagetables are setup */
+	vmi_activate();
 
 	/* after early param, so could get panic from serial */
 	reserve_early_setup_data();

arch/x86/kernel/smpboot.c

@@ -294,9 +294,7 @@ static void __cpuinit start_secondary(void *unused)
 	 * fragile that we want to limit the things done here to the
 	 * most necessary things.
 	 */
-#ifdef CONFIG_VMI
 	vmi_bringup();
-#endif
 	cpu_init();
 	preempt_disable();
 	smp_callin();

arch/x86/kernel/vmi_32.c

@@ -960,8 +960,6 @@ static inline int __init activate_vmi(void)
 
 void __init vmi_init(void)
 {
-	unsigned long flags;
-
 	if (!vmi_rom)
 		probe_vmi_rom();
 	else
@@ -973,13 +971,21 @@ void __init vmi_init(void)
 
 	reserve_top_address(-vmi_rom->virtual_top);
 
-	local_irq_save(flags);
-	activate_vmi();
-
 #ifdef CONFIG_X86_IO_APIC
 	/* This is virtual hardware; timer routing is wired correctly */
 	no_timer_check = 1;
 #endif
+}
+
+void vmi_activate(void)
+{
+	unsigned long flags;
+
+	if (!vmi_rom)
+		return;
+
+	local_irq_save(flags);
+	activate_vmi();
 	local_irq_restore(flags & X86_EFLAGS_IF);
 }
 

arch/x86/oprofile/nmi_int.c

@@ -401,14 +401,13 @@ static int __init ppro_init(char **cpu_type)
 		*cpu_type = "i386/pii";
 		break;
 	case 6 ... 8:
+	case 10 ... 11:
 		*cpu_type = "i386/piii";
 		break;
 	case 9:
+	case 13:
 		*cpu_type = "i386/p6_mobile";
 		break;
-	case 10 ... 13:
-		*cpu_type = "i386/p6";
-		break;
 	case 14:
 		*cpu_type = "i386/core";
 		break;

arch/x86/oprofile/op_model_ppro.c

@@ -156,6 +156,8 @@ static void ppro_start(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
+	if (!reset_value)
+		return;
 	for (i = 0; i < num_counters; ++i) {
 		if (reset_value[i]) {
 			CTRL_READ(low, high, msrs, i);
@@ -171,6 +173,8 @@ static void ppro_stop(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
+	if (!reset_value)
+		return;
 	for (i = 0; i < num_counters; ++i) {
 		if (!reset_value[i])
 			continue;

block/bsg.c

@@ -202,6 +202,8 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
 		rq->timeout = q->sg_timeout;
 	if (!rq->timeout)
 		rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
+	if (rq->timeout < BLK_MIN_SG_TIMEOUT)
+		rq->timeout = BLK_MIN_SG_TIMEOUT;
 
 	return 0;
 }

block/compat_ioctl.c

@@ -677,6 +677,29 @@ static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 	case DVD_WRITE_STRUCT:
 	case DVD_AUTH:
 		arg = (unsigned long)compat_ptr(arg);
+	/* These intepret arg as an unsigned long, not as a pointer,
+	 * so we must not do compat_ptr() conversion. */
+	case HDIO_SET_MULTCOUNT:
+	case HDIO_SET_UNMASKINTR:
+	case HDIO_SET_KEEPSETTINGS:
+	case HDIO_SET_32BIT:
+	case HDIO_SET_NOWERR:
+	case HDIO_SET_DMA:
+	case HDIO_SET_PIO_MODE:
+	case HDIO_SET_NICE:
+	case HDIO_SET_WCACHE:
+	case HDIO_SET_ACOUSTIC:
+	case HDIO_SET_BUSSTATE:
+	case HDIO_SET_ADDRESS:
+	case CDROMEJECT_SW:
+	case CDROM_SET_OPTIONS:
+	case CDROM_CLEAR_OPTIONS:
+	case CDROM_SELECT_SPEED:
+	case CDROM_SELECT_DISC:
+	case CDROM_MEDIA_CHANGED:
+	case CDROM_DRIVE_STATUS:
+	case CDROM_LOCKDOOR:
+	case CDROM_DEBUG:
 		break;
 	default:
 		/* unknown ioctl number */
@@ -699,8 +722,14 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	struct backing_dev_info *bdi;
 	loff_t size;
 
+	/*
+	 * O_NDELAY can be altered using fcntl(.., F_SETFL, ..), so we have
+	 * to updated it before every ioctl.
+	 */
 	if (file->f_flags & O_NDELAY)
-		mode |= FMODE_NDELAY_NOW;
+		mode |= FMODE_NDELAY;
+	else
+		mode &= ~FMODE_NDELAY;
 
 	switch (cmd) {
 	case HDIO_GETGEO:

block/scsi_ioctl.c

@@ -208,6 +208,8 @@ static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
 		rq->timeout = q->sg_timeout;
 	if (!rq->timeout)
 		rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
+	if (rq->timeout < BLK_MIN_SG_TIMEOUT)
+		rq->timeout = BLK_MIN_SG_TIMEOUT;
 
 	return 0;
 }

crypto/Kconfig

@@ -31,35 +31,63 @@ config CRYPTO_FIPS
 
 config CRYPTO_ALGAPI
 	tristate
+	select CRYPTO_ALGAPI2
 	help
 	  This option provides the API for cryptographic algorithms.
 
+config CRYPTO_ALGAPI2
+	tristate
+
 config CRYPTO_AEAD
 	tristate
+	select CRYPTO_AEAD2
 	select CRYPTO_ALGAPI
 
+config CRYPTO_AEAD2
+	tristate
+	select CRYPTO_ALGAPI2
+
 config CRYPTO_BLKCIPHER
 	tristate
+	select CRYPTO_BLKCIPHER2
 	select CRYPTO_ALGAPI
-	select CRYPTO_RNG
+
+config CRYPTO_BLKCIPHER2
+	tristate
+	select CRYPTO_ALGAPI2
+	select CRYPTO_RNG2
 
 config CRYPTO_HASH
 	tristate
+	select CRYPTO_HASH2
 	select CRYPTO_ALGAPI
 
+config CRYPTO_HASH2
+	tristate
+	select CRYPTO_ALGAPI2
+
 config CRYPTO_RNG
 	tristate
+	select CRYPTO_RNG2
 	select CRYPTO_ALGAPI
 
+config CRYPTO_RNG2
+	tristate
+	select CRYPTO_ALGAPI2
+
 config CRYPTO_MANAGER
 	tristate "Cryptographic algorithm manager"
-	select CRYPTO_AEAD
-	select CRYPTO_HASH
-	select CRYPTO_BLKCIPHER
+	select CRYPTO_MANAGER2
 	help
 	  Create default cryptographic template instantiations such as
 	  cbc(aes).
 
+config CRYPTO_MANAGER2
+	def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
+	select CRYPTO_AEAD2
+	select CRYPTO_HASH2
+	select CRYPTO_BLKCIPHER2
+
 config CRYPTO_GF128MUL
 	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
 	depends on EXPERIMENTAL