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2007-11-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6: (41 commits) [XFRM]: Fix leak of expired xfrm_states [ATM]: [he] initialize lock and tasklet earlier [IPV4]: Remove bogus ifdef mess in arp_process [SKBUFF]: Free old skb properly in skb_morph [IPV4]: Fix memory leak in inet_hashtables.h when NUMA is on [IPSEC]: Temporarily remove locks around copying of non-atomic fields [TCP] MTUprobe: Cleanup send queue check (no need to loop) [TCP]: MTUprobe: receiver window & data available checks fixed [MAINTAINERS]: tlan list is subscribers-only [SUNRPC]: Remove SPIN_LOCK_UNLOCKED [SUNRPC]: Make xprtsock.c:xs_setup_{udp,tcp}() static [PFKEY]: Sending an SADB_GET responds with an SADB_GET [IRDA]: Compilation for CONFIG_INET=n case [IPVS]: Fix compiler warning about unused register_ip_vs_protocol [ARP]: Fix arp reply when sender ip 0 [IPV6] TCPMD5: Fix deleting key operation. [IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool(). [IPV4] TCPMD5: Use memmove() instead of memcpy() because we have overlaps. [IPV4] TCPMD5: Omit redundant NULL check for kfree() argument. ieee80211: Stop net_ratelimit/IEEE80211_DEBUG_DROP log pollution ...
2007-11-26Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/pub/linux/nfs-2.6: NFS: Clean up new multi-segment direct I/O changes NFS: Ensure we return zero if applications attempt to write zero bytes NFS: Support multiple segment iovecs in the NFS direct I/O path NFS: Introduce iovec I/O helpers to fs/nfs/direct.c SUNRPC: Add missing "space" to net/sunrpc/auth_gss.c SUNRPC: make sunrpc/xprtsock.c:xs_setup_{udp,tcp}() static NFS: fs/nfs/dir.c should #include "internal.h" NFS: make nfs_wb_page_priority() static NFS: mount failure causes bad page state SUNRPC: remove NFS/RDMA client's binary sysctls kernel BUG at fs/nfs/namespace.c:108! - can be triggered by bad server sunrpc: rpc_pipe_poll may miss available data in some cases sunrpc: return error if unsupported enctype or cksumtype is encountered sunrpc: gss_pipe_downcall(), don't assume all errors are transient NFS: Fix the ustat() regression
2007-11-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: bump version of kernel/sched_debug.c sched: fix minimum granularity tunings sched: fix RLIMIT_CPU comment sched: fix kernel/acct.c comment sched: fix prev_stime calculation sched: don't forget to unlock uids_mutex on error paths
2007-11-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: fix APIC related bootup crash on Athlon XP CPUs time: add ADJ_OFFSET_SS_READ x86: export the symbol empty_zero_page on the 32-bit x86 architecture x86: fix kprobes_64.c inlining borkage pci: use pci=bfsort for HP DL385 G2, DL585 G2 x86: correctly set UTS_MACHINE for "make ARCH=x86" lockdep: annotate do_debug() trap handler x86: turn off iommu merge by default x86: fix ACPI compile for LOCAL_APIC=n x86: printk kernel version in WARN_ON and other dump_stack users ACPI: Set max_cstate to 1 for early Opterons. x86: fix NMI watchdog & 'stopped time' problem
2007-11-26Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (56 commits) Blackfin arch: fix bug when enable uart1 with uart0 disabled => no initial console Blackfin arch: split apart dump_bfin_regs and merge/remove show_regs from process.c, which was largely duplicated Blackfin arch: use common __INIT/__FINIT defines rather than setting the .section ourselves to .init.text Blackfin arch: fix bug when sending signals with the wrong PC, cause gdb get confused Blackfin arch: Ensure we printk out strings with the proper loglevel Blackfin arch: Need to specify ax with the .init.text section, Blackfin arch: Update Kconfig to latest Blackfin silicon datasheets Blackfin arch: update defconfig files Blackfin arch: Fix typo, and add ENDPROC - no functional changes Blackfin arch: convert READY to DMA_READY as it causes build errors in common sound code otherwise Blackfin arch: add defines for the on-chip L1 ROM of BF54x Blackfin arch: cplb and map header file cleanup Blackfin arch: cleanup the cplb declares Blackfin arch: fix broken on BF52x, remove silly checks on processors for L1_SCRATCH defines Blackfin arch: add support for working around anomaly 05000312 Blackfin arch: cleanup BF54x header file and add BF547 definition Blackfin arch: fix building for BF542 processors which only have 1 TWI Blackfin arch: rename _return_from_exception to _bfin_return_from_exception and export it Blackfin arch: move EXPORT_SYMBOL() to C files where the symbol is actually defined Blackfin arch: fix bug NOR Flash MTD mount fail ...
2007-11-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.24Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.24: sh: include ax88796 in the defconfig for r7785rp sh: include ax88796 in the defconfig for r7780mp sh: fix R2D-1 CF support fb: Orphan imsttfb. sh: Update mailing list info. sh: lockless UTLB miss fast-path. sh: Kill off UTLB flush in fast-path. sh: Fix copy_{to,from}_user_page() with cache disabled.
2007-11-26Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * '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 ...
2007-11-26Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * '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. ...
2007-11-26Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* '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
2007-11-26Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * '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 ...
2007-11-26Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* '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.
2007-11-26SUNRPC: make sunrpc/xprtsock.c:xs_setup_{udp,tcp}() staticAdrian Bunk
xs_setup_{udp,tcp}() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-11-26NFS: make nfs_wb_page_priority() staticAdrian Bunk
nfs_wb_page_priority() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-11-26SUNRPC: remove NFS/RDMA client's binary sysctlsJames Lentini
Support for binary sysctls is being deprecated in 2.6.24. Since there are no applications using the NFS/RDMA client's binary sysctls, it makes sense to remove them. The patch below does this while leaving the /proc/sys interface unchanged. Please consider this for 2.6.24. Signed-off-by: James Lentini <jlentini@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-11-26sched: fix RLIMIT_CPU commentIngo Molnar
Devan Lippman noticed that the RLIMIT_CPU comment in resource.h is incorrect: the field is in seconds, not msecs. We used msecs in earlier versions of the patch but that got changed. Found-by: Devan Lippman <devan.lippman@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-26time: add ADJ_OFFSET_SS_READJohn Stultz
Michael Kerrisk reported that a long standing bug in the adjtimex() system call causes glibc's adjtime(3) function to deliver the wrong results if 'delta' is NULL. add the ADJ_OFFSET_SS_READ API detail, which will be used by glibc to fix this API compatibility bug. Also see: http://bugzilla.kernel.org/show_bug.cgi?id=6761 [ mingo@elte.hu: added patch description and made it backwards compatible ] NOTE: the new flag is defined 0xa001 so that it returns -EINVAL on older kernels - this way glibc can use it safely. Suggested by Ulrich Drepper. Acked-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-11-26x86: fix ACPI compile for LOCAL_APIC=nThomas Gleixner
ACPI processor idle code references local_apic_timer_c2_ok, which is not available when LOCAL_APIC is disabled. Define local_apic_timer_c2_ok as a constant, when LOCAL_APIC=n Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-26ACPI: Set max_cstate to 1 for early Opterons.Alexey Starikovskiy
AMD Opteron processors before CG revision don't like C-states > 1. This solves the long standing bugzilla #5303 and probably some more on affected machines: http://bugzilla.kernel.org/show_bug.cgi?id=5303 [ tglx@linutronix.de: reworked the patch so it does not wreck ia64 ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-11-26[MIPS] 64-bit Sibyte kernels need DMA32.Ralf Baechle
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>
2007-11-26[MIPS] Only build r4k clocksource for systems that work ok with it.Ralf Baechle
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>
2007-11-26[MIPS] Handle R4000/R4400 mfc0 from count register.Ralf Baechle
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.
2007-11-26[MIPS] Fix possible hang in LL/SC futex loops.Ralf Baechle
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>
2007-11-26[MIPS] Fix context DSP context / TLS pointer switching bug for new threads.Ralf Baechle
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>
2007-11-26[MIPS] IP32: More interrupt renumbering fixes.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-11-26[MIPS] Fix pcspeaker build.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-11-26[SKBUFF]: Free old skb properly in skb_morphHerbert Xu
The skb_morph function only freed the data part of the dst skb, but leaked the auxiliary data such as the netfilter fields. This patch fixes this by moving the relevant parts from __kfree_skb to skb_release_all and calling it in skb_morph. It also makes kfree_skbmem static since it's no longer called anywhere else and it now no longer does skb_release_data. Thanks to Yasuyuki KOZAKAI for finding this problem and posting a patch for it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2007-11-26[IPV4]: Fix memory leak in inet_hashtables.h when NUMA is onPavel Emelyanov
The inet_ehash_locks_alloc() looks like this: #ifdef CONFIG_NUMA if (size > PAGE_SIZE) x = vmalloc(...); else #endif x = kmalloc(...); Unlike it, the inet_ehash_locks_alloc() looks like this: #ifdef CONFIG_NUMA if (size > PAGE_SIZE) vfree(x); else #else kfree(x); #endif The error is obvious - if the NUMA is on and the size is less than the PAGE_SIZE we leak the pointer (kfree is inside the #else branch). Compiler doesn't warn us because after the kfree(x) there's a "x = NULL" assignment, so here's another (minor?) bug: we don't set x to NULL under certain circumstances. Boring explanation, I know... Patch explains it better. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2007-11-22[SUNRPC]: Make xprtsock.c:xs_setup_{udp,tcp}() staticAdrian Bunk
xs_setup_{udp,tcp}() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2007-11-21Blackfin arch: split apart dump_bfin_regs and merge/remove show_regs from ↵Mike Frysinger
process.c, which was largely duplicated Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: Ensure we printk out strings with the proper loglevelRobin Getz
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: convert READY to DMA_READY as it causes build errors in ↵Mike Frysinger
common sound code otherwise Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: add defines for the on-chip L1 ROM of BF54xMike Frysinger
Should not need separate cplb entry though as we cover L1 with a 4 meg page Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: cplb and map header file cleanupMike Frysinger
- remove duplicated defines for the BF561 - generalize L2 support (so that it works for BF54x) and mark it executable - add support for reading/executing the Boot ROM sections (since it has data/functions we may need at runtime) - and fixup names for each map Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: cleanup the cplb declaresMike Frysinger
- no need to declare their sizes in the common header - no need to tack on the section attribute as only the definition matters, not references Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: fix broken on BF52x, remove silly checks on processors for ↵Mike Frysinger
L1_SCRATCH defines Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: add support for working around anomaly 05000312Mike Frysinger
Anomaly 05000312 - Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted: DESCRIPTION: When instruction cache is enabled, erroneous behavior may occur when any of the following instructions are interrupted: . CSYNC • SSYNC • LCx = • LTx = (only when LCx is non-zero) • LBx = (only when LCx is non-zero) When this problem occurs, a variety of incorrect things could happen, including an illegal instruction exception. Additional errors could show up as an exception, a hardware error, or an instruction that is valid but different than the one that was expected. WORKAROUND: Place a cli before all SSYNC, CSYNC, "LCx =", "LTx =", and "LBx =" instructions to disable interrupts, and place an sti after each of these instructions to re-enable interrupts. When these instructions are executed in code that is already non-interruptible, the problem will not occur. Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: cleanup BF54x header file and add BF547 definitionMike Frysinger
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: rename _return_from_exception to _bfin_return_from_exception ↵Mike Frysinger
and export it Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: move EXPORT_SYMBOL() to C files where the symbol is actually ↵Mike Frysinger
defined Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-20Merge branch 'fixes-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2007-11-20ieee80211: Stop net_ratelimit/IEEE80211_DEBUG_DROP log pollutionGuillaume Chazarain
if (net_ratelimit()) IEEE80211_DEBUG_DROP(...) can pollute the logs with messages like: printk: 1 messages suppressed. printk: 2 messages suppressed. printk: 7 messages suppressed. if debugging information is disabled. These messages are printed by net_ratelimit(). Add a wrapper to net_ratelimit() that takes into account the log level, so that net_ratelimit() is called only when we really want to print something. Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-11-20[ALSA] version 1.0.15Jaroslav Kysela
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2007-11-20[S390] appldata: remove unused binary sysctls.Heiko Carstens
Remove binary sysctls that never worked due to missing strategy functions. Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Gerald Schaefer <geraldsc@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-11-20[S390] cmm: remove unused binary sysctls.Heiko Carstens
Remove binary sysctls that never worked due to missing strategy functions. Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-11-20[S390] Fix irq tracing and lockdep_sys_exit calls.Heiko Carstens
Current support for TRACE_IRQFLAGS and lockdep_sys_exit is broken. IRQ flag tracing is broken for program checks. Even worse is that the newly introduced calls to lockdep_sys_exit are in the critical section code which is not supposed to call any C functions. In addition the checks if locks are still held are also done when returning to kernel code which is broken as well. Fix all this by disabling interrupts and machine checks at the exit paths and then do the appropriate checks and calls. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-11-19[TCP] MTUprobe: fix potential sk_send_head corruptionIlpo Järvinen
When the abstraction functions got added, conversion here was made incorrectly. As a result, the skb may end up pointing to skb which got included to the probe skb and then was freed. For it to trigger, however, skb_transmit must fail sending as well. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-20Pull cpuidle into release branchLen Brown
2007-11-20ACPI: fix two IRQ8 issues in IOAPIC modeShaohua Li
Use mp_irqs[] to get PNP device's interrupt polarity and trigger. There are two reasons to do this: 1. BIOS bug for PNP interrupt 2. BIOS explictly does override mp_irqs[] should cover all the cases. http://bugzilla.kernel.org/show_bug.cgi?id=5243 http://bugzilla.kernel.org/show_bug.cgi?id=7679 http://bugzilla.kernel.org/show_bug.cgi?id=9153 [lenb: fixed !IOAPIC and 64-bit !SMP builds] Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-11-19[IPVS]: Move remaining sysctl handlers over to CTL_UNNUMBEREDSimon Horman
Switch the remaining IPVS sysctl entries over to to use CTL_UNNUMBERED, I stronly doubt that anyone is using the sys_sysctl interface to these variables. Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-19[IPVS]: Fix sysctl warnings about missing strategy in schedulersSimon Horman
sysctl table check failed: /net/ipv4/vs/lblc_expiration .3.5.21.19 Missing strategy [...] sysctl table check failed: /net/ipv4/vs/lblcr_expiration .3.5.21.20 Missing strategy Switch these entried over to use CTL_UNNUMBERED as clearly the sys_syscal portion wasn't working. This is along the same lines as Christian Borntraeger's patch that fixes up entries with no stratergy in net/ipv4/ipvs/ip_vs_ctl.c Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>