- 27 Nov, 2007 17 commits
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Mikulas Patocka authored
Plip passes a string "name" that is allocated on stack to parport_register_device. parport_register_device holds the pointer to "name" and when the registering function exits, it points nowhere. On some machine, this bug causes bad names to appear in /proc, such as /proc/sys/dev/parport/parport0/devices/T^/�X^/�, on others, the plip proc node is completely missing. The patch also fixes documentation to note this requirement. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Mikulas Patocka authored
netif_rx is meant to be called from interrupts because it doesn't wake up ksoftirqd. For calling from outside interrupts, netif_rx_ni exists. This fixes plip to use netif_rx_ni. It fixes the infamous error "NOHZ: local_softirq_panding 08" that happens on some machines with NOHZ and plip --- it is caused by the fact that softirq is pending and ksoftirqd is sleeping. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmcLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: mmc: Avoid re-using minor numbers before the original device is closed. tifm_sd: handle non-power-of-2 block sizes mmc_block: check card state after write
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix check after use error in ACL code [CIFS] Fix potential data corruption when writing out cached dirty pages [CIFS] Fix spurious reconnect on 2nd peek from read of SMB length [CIFS] remove build warning [CIFS] Have CIFS_SessSetup build correct SPNEGO SessionSetup request [CIFS] minor checkpatch cleanup [CIFS] have cifs_get_spnego_key get the hostname from TCP_Server_Info [CIFS] add hostname field to TCP_Server_Info struct [CIFS] clean up error handling in cifs_mount [CIFS] add ver= prefix to upcall format version [CIFS] Fix buffer overflow if server sends corrupt response to small
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Andreas Herrmann authored
... which I've found on a Sapphire X550 (Silent). Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andreas Herrmann <aherrman@arcor.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-devLinus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (21 commits) libata: bump transfer chunk size if it's odd libata: Return proper ATA INT status in pata_bf54x driver pata_ali: trim trailing whitespace (fix checkpatch complaints) pata_isapnp: Polled devices pata_hpt37x: Fix cable detect bug spotted by Sergei pata_ali: Lots of problems still showing up with small ATAPI DMA pata_ali: Add Mitac 8317 and derivatives libata-core: List more documentation sources for reference ata_piix: Invalid use of writel/readl with iomap sata_sil24: fix sg table sizing pata_jmicron: fix disabled port handling in jmicron_pre_reset() pata_sil680: kill bogus reset code (take 2) ata_piix: port enable for the first SATA controller of ICH8 is 0xf not 0x3 ata_piix: only enable the first port on apple macbook pro ata_piix: reorganize controller IDs pata_sis.c: Add Packard Bell EasyNote K5305 to laptops libata-scsi: be tolerant of 12-byte ATAPI commands in 16-byte CDBs libata: use ATA_HORKAGE_STUCK_ERR for ATAPI tape drives libata: workaround DRQ=1 ERR=1 for ATAPI tape drives libata: remove unused functions ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio: fix net driver loop case where we fail to restart module: fix and elaborate comments virtio: fix module/device unloading lguest: Fix uninitialized members in example launcher
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Finn Thain authored
The mail service for the mac.linux-m68k.org domain is defunct. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Geert Uytterhoeven authored
Amiga zorro bus: Add missing zorro_device_remove(). Without this ifconfig and /proc/net/dev oops after unloading a Zorro network device driver module. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adrian Bunk authored
m68k: export atari_keyb_init This patch fixes the following build error: .. MODPOST 25 modules ERROR: "atari_keyb_init" [drivers/input/mouse/atarimouse.ko] undefined! ERROR: "atari_keyb_init" [drivers/input/keyboard/atakbd.ko] undefined! make[2]: *** [__modpost] Error 1 Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (39 commits) ACPI: EC: Workaround for optimized controllers (version 3) ACPI: EC: use printk_ratelimit(), add some DEBUG mode messages Revert "ACPI: EC: Workaround for optimized controllers" ACPI: fix two IRQ8 issues in IOAPIC mode ACPI: Add missing spaces to printk format cpuidle: fix HP nx6125 regression cpuidle: add sched_clock_idle_[sleep|wakeup]_event() hooks cpuidle: fix C3 for no bus-master control case ACPI: thinkpad-acpi: fix oops when a module parameter has no value Revert "Fix very high interrupt rate for IRQ8 (rtc) unless pnpacpi=off" ACPI: EC: Don't init EC early if it has no _INI Revert "acpi: make ACPI_PROCFS default to y" Revert "ACPI: add documentation for deprecated /proc/acpi/battery in ACPI_PROCFS" ACPI: Split out control for /proc/acpi entries from battery, ac, and sbs. ACPI: Video: Increase buffer size for writes to brightness proc file. ACPI: EC: Workaround for optimized controllers ACPI: SBS: Fix retval warning ACPI: Enable MSR (FixedHW) support for T-States ACPI: Get throttling info from BIOS only after evaluating _PDC ACPI: Use _TSS for throttling control, when present. Add error checks. ...
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git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] cio: Register/unregister subchannels only from kslowcrw. [S390] Add missing die_notifier() call to die(). [S390] Fix memory detection. [S390] Explicitly code allocpercpu calls in iucv [S390] Dont overwrite lowcores on smp_send_stop(). [S390] Optimize storage key handling for anonymous pages [S390] Fix kernel preemption. [S390] appldata: remove unused binary sysctls. [S390] cmm: remove unused binary sysctls. [S390] Fix irq tracing and lockdep_sys_exit calls. [S390] magic sysrq: check for in_atomic before doing an console_unblank [S390] cio: change device sense procedure to work with pav aliases
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (27 commits) [POWERPC] 83xx: Update mpc8349emitx(gp) defconfig for USB [POWERPC] 83xx: Update mpc832x_rdb_defconfig to enable MMC-over-SPI [POWERPC] 83xx: MPC832x RDB - remove spidev stub, use mmc_spi [POWERPC] 8xxx: MDS board RTC fixes [POWERPC] Fix 8xx build breakage due to _tlbie changes [POWERPC] Fix device tree interrupt map for Freescale ULI1575 boards [POWERPC] Fix possible division by zero in scaled time accounting [POWERPC] spufs: Fix context destroy vs /spu readdir race [POWERPC] Fix RTAS os-term usage on kernel panic [POWERPC] 83xx: Handle mpc8360 rev. 2.1 RGMII timing erratum [POWERPC] Document rgmii-rxid and rgmii-txid phy-connection-types [POWERPC] 83xx: Fix 2nd UCC entry in mpc832x_mds.dts [POWERPC] 83xx: mpc832x mds: Fix board PHY reset code [POWERPC] Fix potential NULL dereference [POWERPC] vdso: Fixes for cache block sizes [POWERPC] pasemi: Don't reset mpic at boot [POWERPC] Fix kmalloc alignment on non-coherent DMA platforms [POWERPC] Fix build failure on legacy iSeries [POWERPC] 4xx: Use virtual PVR value to init FPU on arch/ppc 440EP [POWERPC] 4xx: UIC add mask_ack callback ...
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Karsten Keil authored
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9416Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] vpe: Add missing "space" [MIPS] Compliment va_start() with va_end(). [MIPS] IP22: Fix broken eeprom access by using __raw_readl/__raw_writel [MIPS] IP22: Fix broken EISA interrupt setup by switching to generic i8259 [MIPS] 64-bit Sibyte kernels need DMA32. [MIPS] Only build r4k clocksource for systems that work ok with it. [MIPS] Handle R4000/R4400 mfc0 from count register. [MIPS] Fix possible hang in LL/SC futex loops. [MIPS] Fix context DSP context / TLS pointer switching bug for new threads. [MIPS] IP32: More interrupt renumbering fixes. [MIPS] time: MIPSsim's plat_time_init doesn't need to be irq safe. [MIPS] time: Fix negated condition in cevt-r4k driver. [MIPS] Fix pcspeaker build.
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git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsaLinus Torvalds authored
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa: [ALSA] version 1.0.15 [ALSA] emu10k1 - Check value ranges in ctl callbacks [ALSA] emu10k1: Add mixer controls parameter checking. [ALSA] fix private data pointer calculation in CS4270 driver [ALSA] portman2x4 - Fix probe error [ALSA] ca0106 - Fix write proc assignment [ALSA] s3c2443-ac97: compilation fix [ALSA] hda-codec - Revert volume knob controls in STAC codecs [ALSA] ca0106 - Check value range in ctl callbacks [ALSA] hda-codec - Check PINCAP only for PIN widgets [ALSA] mpu401: fix recursive locking in timer [ALSA] cmipci: fix FLINKON/OFF bits [ALSA] hda-codec - Disable shared stream on AD1986A
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Andreas Herrmann authored
For a kernel built with "make ARCH=x86" the following system information is displayed when running the new kernel $ uname -m x86 On some i386 systems (e.g. K7) we even have the following information $ uname -m x66 This is weird. The usual information for "uname -m" should be "x86_64" on 64-bit and "i386" or "i686" on 32-bit. This patch fixes the issue by setting UTS_MACHINE to "i386" for 32-bit kernel builds and to "x86_64" for 64-bit kernel builds. I.e., "x86" won't be used for UTS_MACHINE anymore. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andreas Herrmann <aherrman@arcor.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 26 Nov, 2007 15 commits
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Joe Perches authored
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Richard Knutsson authored
Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Thomas Bogendoerfer authored
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Thomas Bogendoerfer authored
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Sibyte SOCs only have 32-bit PCI. Due to the sparse use of the address space only the first 1GB of memory is mapped at physical addresses below 1GB. If a system has more than 1GB of memory 32-bit DMA will not be able to reach all of it. For now this patch is good enough to keep Sibyte users happy but it seems eventually something like swiotlb will be needed for Sibyte. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
In particular as-is it's not suited for multicore and mutiprocessors systems where there is on guarantee that the counter are synchronized or running from the same clock at all. This broke Sibyte and probably others since the "[MIPS] Handle R4000/R4400 mfc0 from count register." commit. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
The R4000 and R4400 have an errata where if the cp0 count register is read in the exact moment when it matches the compare register no interrupt will be generated. This bug may be triggered if the cp0 count register is being used as clocksource and the compare interrupt as clockevent. So a simple workaround is to avoid using the compare for both facilities on the affected CPUs. This is different from the workaround suggested in the old errata documents; at some opportunity probably the official version should be implemented and tested. Another thing to find out is which processor versions exactly are affected. I only have errata documents upto R4400 V3.0 available so for the moment the code treats all R4000 and R4400 as broken. This is potencially a problem for some machines that have no other decent clocksource available; this workaround will cause them to fall back to another clocksource, worst case the "jiffies" source.
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Ralf Baechle authored
The LL / SC loops in __futex_atomic_op() have the usual fixups necessary for memory acccesses to userspace from kernel space installed: __asm__ __volatile__( " .set push \n" " .set noat \n" " .set mips3 \n" "1: ll %1, %4 # __futex_atomic_op \n" " .set mips0 \n" " " insn " \n" " .set mips3 \n" "2: sc $1, %2 \n" " beqz $1, 1b \n" __WEAK_LLSC_MB "3: \n" " .set pop \n" " .set mips0 \n" " .section .fixup,\"ax\" \n" "4: li %0, %6 \n" " j 2b \n" <----- " .previous \n" " .section __ex_table,\"a\" \n" " "__UA_ADDR "\t1b, 4b \n" " "__UA_ADDR "\t2b, 4b \n" " .previous \n" : "=r" (ret), "=&r" (oldval), "=R" (*uaddr) : "0" (0), "R" (*uaddr), "Jr" (oparg), "i" (-EFAULT) : "memory"); The branch at the end of the fixup code, it goes back to the SC instruction, no matter if the fault was first taken by the LL or SC instruction resulting in an endless loop which will only terminate if the address become valid again due to another thread setting up an accessible mapping and the CPU happens to execute the SC instruction successfully which due to the preceeding ERET instruction of the fault handler would only happen if UNPREDICTABLE instruction behaviour of the SC instruction without a preceeding LL happens to favor that outcome. But normally processes are nice, pass valid arguments and we were just getting away with this. Thanks to Kaz Kylheku <kaz@zeugmasystems.com> for providing the original report and a test case. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
A new born thread starts execution not in schedule but rather in ret_from_fork which results in it bypassing the part of the code to load a new context written in C which are the DSP context and the userlocal register which Linux uses for the TLS pointer. Frequently we were just getting away with this bug for a number of reasons: o Real world application scenarios are very unlikely to use clone or fork in blocks of DSP code. o Linux by default runs the child process right after the fork, so the child by luck will find all the right context in the DSP and userlocal registers. o So far the rdhwr instruction was emulated on all hardware so userlocal wasn't getting referenced at all and the emulation wasn't suffering from the issue since it gets it's value straight from the thread's thread_info. Fixed by moving the code to load the context from switch_to() to finish_arch_switch which will be called by newborn and old threads. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
It's running early during the bootup process so interrupts are still off. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Tejun Heo authored
None of the drives I have follows what the standard says about transfer chunk size. Of the four SATA and six PATA ATAPI devices tested, four ignore transfer chunk size completely and the ones which honor it don't behave according to the spec when it's odd. According to the spec, transfer chunk size can be odd if the amount of data to transfer equals or is smaller than the chunk size and the device can indicate the same odd number and transfer the whole thing at one go with a pad byte appended. However, in reality, none of the drives I have does that. They all indicate and transfer even number of bytes one byte shorter than the chunk size first; then indicate and transfer two bytes, which is clearly out of spec. In addition to unnecessary second PIO data phase, this also creates a weird problem when combined with SATA controllers which perform PIO via DMA. Some of these controllers use actualy number of bytes received to update DMA pointer so chunks which are sized 4n + 2 makes DMA pointer off by two bytes. This causes data corruption and buffer overruns. This patch rounds nbytes up to the nearest even number such that ATAPI devices don't split data transfer for the last odd byte. This shouldn't confuse controllers which depend on transfer chunk size as devices will report the rounded-up number, actually transfer that much and padding buffer is there to receive them. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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sonic zhang authored
INT status can be OR. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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- 25 Nov, 2007 2 commits
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Steve French authored
Spotted by the coverity scanner. CC: Adrian Bunk <bunk@kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
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Steve French authored
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- 24 Nov, 2007 6 commits
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Jeff Garzik authored
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Alan Cox authored
If a card has no IRQ then pass no interrupt handler but allow polled usage. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Alan Cox authored
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Alan Cox authored
Hopefully there is a better long term solution but for now lets favour reliability. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Alan Cox authored
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Alan Cox authored
And next time I'll be able to find the ata tape spec easily... Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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