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2008-07-21dm snapshot: fix race during exception creationMikulas Patocka
Fix a race condition that returns incorrect data when a write causes an exception to be allocated whilst a read is still in flight. The race condition happens as follows: * A read to non-reallocated sector in the snapshot is submitted so that the read is routed to the original device. * A write to the original device is submitted. The write causes an exception that reallocates the block. The write proceeds. * The original read is dequeued and reads the wrong data. This race can be triggered with CFQ scheduler and one thread writing and multiple threads reading simultaneously. (This patch relies upon the earlier dm-kcopyd-per-device.patch to avoid a deadlock.) Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-07-21dm snapshot: track snapshot readsMikulas Patocka
Whenever a snapshot read gets mapped through to the origin, track it in a per-snapshot hash table indexed by chunk number, using memory allocated from a new per-snapshot mempool. We need to track these reads to avoid race conditions which will be fixed by patches that follow. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-07-21dm mpath: fix test for reinstate_pathAlasdair G Kergon
Fix test for reinstate_path method before attempting to use it. Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: Julia Lawall <julia@diku.dk>
2008-07-21dm mpath: return parameter errorMikulas Patocka
Return a specific error message if there are an invalid number of multipath arguments. This invalid command returns an "Unknown error" because the ti->error field is not set dmsetup create --table '0 2 multipath 0 0 1 1 round-robin 0 1 1 /dev/sdh' mpath0 Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-07-21dm io: remove struct paddingRichard Kennedy
Rearrange struct dm_io. Shrinks size from 40 -> 32 allowing more objects/slab. Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-07-21dm log: make dm_dirty_log init and exit staticAdrian Bunk
dm_dirty_log_{init,exit}() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-07-21dm mpath: free path selector on invalid argsMikulas Patocka
Free path selector if the arguments are invalid. This command (note that it is invalid) causes reference leak on module "dm_round_robin" and prevents the module from being removed. dmsetup create --table '0 2 multipath 0 0 1 1 round-robin /dev/sdh' mpath0 Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-07-17Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: [PATCH] ocfs2: fix oops in mmap_truncate testing configfs: call drop_link() to cleanup after create_link() failure configfs: Allow ->make_item() and ->make_group() to return detailed errors. configfs: Fix failing mkdir() making racing rmdir() fail configfs: Fix deadlock with racing rmdir() and rename() configfs: Make configfs_new_dirent() return error code instead of NULL configfs: Protect configfs_dirent s_links list mutations configfs: Introduce configfs_dirent_lock ocfs2: Don't snprintf() without a format. ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs ocfs2/net: Silence build warnings on sparc64 ocfs2: Handle error during journal load ocfs2: Silence an error message in ocfs2_file_aio_read() ocfs2: use simple_read_from_buffer() ocfs2: fix printk format warnings with OCFS2_FS_STATS=n [PATCH 2/2] ocfs2: Instrument fs cluster locks [PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
2008-07-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6: pcmcia: ide-cs: Remove outdated comment pcmcia: fix cisinfo_t removal pcmcia: fix return value in cm4000_cs.c
2008-07-17Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: fix asm/e820.h for userspace inclusion x86: fix numaq_tsc_disable x86: fix kernel_physical_mapping_init() for large x86 systems
2008-07-17Merge branch 'tracing-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: ftrace: do not trace library functions ftrace: do not trace scheduler functions ftrace: fix lockup with MAXSMP ftrace: fix merge buglet
2008-07-17x86: fix asm/e820.h for userspace inclusionRusty Russell
asm-x86/e820.h is included from userspace. 'x86: make e820.c to have common functions' (b79cd8f1268bab57ff85b19d131f7f23deab2dee) broke it: make -C Documentation/lguest cc -Wall -Wmissing-declarations -Wmissing-prototypes -O3 -I../../include lguest.c -lz -o lguest In file included from ../../include/asm-x86/bootparam.h:8, from lguest.c:45: ../../include/asm/e820.h:66: error: expected ‘)’ before ‘start’ ../../include/asm/e820.h:67: error: expected ‘)’ before ‘start’ ../../include/asm/e820.h:68: error: expected ‘)’ before ‘start’ ../../include/asm/e820.h:72: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘e820_update_range’ ... Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-17x86: fix numaq_tsc_disableYinghai Lu
fix: arch/x86/kernel/numaq_32.c: In function ‘numaq_tsc_disable’: arch/x86/kernel/numaq_32.c:99: warning: ‘return’ with a value, in function returning void Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-17Merge branch 'linus' into x86/urgentIngo Molnar
2008-07-17fix build error of arch/ia64/kvm/*Takashi Iwai
Fix calls of smp_call_function*() in arch/ia64/kvm for recent API changes. CC [M] arch/ia64/kvm/kvm-ia64.o arch/ia64/kvm/kvm-ia64.c: In function 'handle_global_purge': arch/ia64/kvm/kvm-ia64.c:398: error: too many arguments to function 'smp_call_function_single' arch/ia64/kvm/kvm-ia64.c: In function 'kvm_vcpu_kick': arch/ia64/kvm/kvm-ia64.c:1696: error: too many arguments to function 'smp_call_function_single' Signed-off-by: Takashi Iwai <tiwai@suse.de> Acked-by Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-17Merge branch 'ptrace-cleanup' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace * 'ptrace-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace: fix dangling zombie when new parent ignores children do_wait: return security_task_wait() error code in place of -ECHILD ptrace children revamp do_wait reorganization
2008-07-17Update scripts/Makefile.fwinst to cope with older makeDavid Woodhouse
Also fix unwanted rebuilds of the firmware/ihex2fw tool by including the .ihex2fw.cmd file when present. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Reported-and-tested-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-17Merge 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] dasd: use -EOPNOTSUPP instead of -ENOTSUPP [S390] qdio: new qdio driver. [S390] cio: Export chsc_error_from_response(). [S390] vmur: Fix return code handling. [S390] Fix stacktrace compile bug. [S390] Increase default warning stacksize. [S390] dasd: Fix cleanup in dasd_{fba,diag}_check_characteristics(). [S390] chsc headers userspace cleanup [S390] dasd: fix unsolicited SIM handling. [S390] zfcpdump: Make SCSI disk dump tool recognize storage holes
2008-07-17Fix collateral damage to top level MakefileGrant Likely
The patch named "powerpc/mpc5121: Add clock driver", also contained an unrelated and bogus change to the top-level makefile. This patch backs out the bad bit. SHA1 of offending patch: 137e95906e294913fab02162e8a1948ade49acb5) Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Repented-by: John Rigby <jrigby@freescale.com> [ Heh. Normally I pick these out from the diffstats, but I guess I've grown to trust the ppc tree too much ;) - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-17ftrace: do not trace library functionsIngo Molnar
make function tracing more robust: do not trace library functions. We've already got a sizable list of exceptions: ifdef CONFIG_FTRACE # Do not profile string.o, since it may be used in early boot or vdso CFLAGS_REMOVE_string.o = -pg # Also do not profile any debug utilities CFLAGS_REMOVE_spinlock_debug.o = -pg CFLAGS_REMOVE_list_debug.o = -pg CFLAGS_REMOVE_debugobjects.o = -pg CFLAGS_REMOVE_find_next_bit.o = -pg CFLAGS_REMOVE_cpumask.o = -pg CFLAGS_REMOVE_bitmap.o = -pg endif ... and the pattern has been that random library functionality showed up in ftrace's critical path (outside of its recursion check), causing hard to debug lockups. So be a bit defensive about it and exclude all lib/*.o functions by default. It's not that they are overly interesting for tracing purposes anyway. Specific ones can still be traced, in an opt-in manner. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-17ftrace: do not trace scheduler functionsIngo Molnar
do not trace scheduler functions - it's still a bit fragile and can lock up with: http://redhat.com/~mingo/misc/config-Thu_Jul_17_13_34_52_CEST_2008 Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-17ftrace: fix lockup with MAXSMPIngo Molnar
MAXSMP brings in lots of use of various bitops in smp_processor_id() and friends - causing ftrace to lock up during bootup: calling anon_inode_init+0x0/0x130 initcall anon_inode_init+0x0/0x130 returned 0 after 0 msecs calling acpi_event_init+0x0/0x57 [ hard hang ] So exclude the bitops facilities from tracing. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-17[S390] dasd: use -EOPNOTSUPP instead of -ENOTSUPPStefan Haberland
return value -ENOTSUPP is not valid in userspace context, use -EOPNOTSUPP instead Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2008-07-17[S390] qdio: new qdio driver.Jan Glauber
List of major changes: - split qdio driver into several files - seperation of thin interrupt code - improved handling for multiple thin interrupt devices - inbound and outbound processing now always runs in tasklet context - significant less tasklet schedules per interrupt needed - merged qebsm with non-qebsm handling - cleanup qdio interface and added kerneldoc - coding style Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Utz Bacher <utz.bacher@de.ibm.com> Reviewed-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2008-07-17[S390] cio: Export chsc_error_from_response().Cornelia Huck
Make chsc_error_from_response() available to chsc callers outside of chsc.c (namely qdio) to avoid duplicating error checking code. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2008-07-17[S390] vmur: Fix return code handling.Frank Munzert
Use -EOPNOTSUPP instead of -ENOTSUPP. Signed-off-by: Frank Munzert <munzert@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17[S390] Fix stacktrace compile bug.Heiko Carstens
Add missing module.h include to fix this: CC arch/s390/kernel/stacktrace.o arch/s390/kernel/stacktrace.c:84: warning: data definition has no type or storage class arch/s390/kernel/stacktrace.c:84: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' arch/s390/kernel/stacktrace.c:84: warning: parameter names (without types) in function declaration arch/s390/kernel/stacktrace.c:97: warning: data definition has no type or storage class arch/s390/kernel/stacktrace.c:97: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' arch/s390/kernel/stacktrace.c:97: warning: parameter names (without types) in function declaration Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17[S390] Increase default warning stacksize.Heiko Carstens
Compiling a kernel with allmodconfig or allyesconfig results in tons of gcc warnings, because the default maximum stacksize from which on gcc will emit a warning is just 256 bytes. Increase this to 2048, so these warnings don't distract from the real warnings that we need to watch at. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17[S390] dasd: Fix cleanup in dasd_{fba,diag}_check_characteristics().Cornelia Huck
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17[S390] chsc headers userspace cleanupAdrian Bunk
Kernel headers shouldn't expose functions to userspace. Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17[S390] dasd: fix unsolicited SIM handling.Stefan Haberland
Add missing schedule_bh and check that there is 32 bit sense data. Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17[S390] zfcpdump: Make SCSI disk dump tool recognize storage holesFrank Munzert
The kernel part of zfcpdump establishes a new debugfs file zcore/memmap which exports information on memory layout (start address and length of each memory chunk) to its userspace counterpart. Signed-off-by: Frank Munzert <munzert@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-07-17ftrace: fix merge bugletIngo Molnar
-tip testing found a bootup hang here: initcall anon_inode_init+0x0/0x130 returned 0 after 0 msecs calling acpi_event_init+0x0/0x57 the bootup should have continued with: initcall acpi_event_init+0x0/0x57 returned 0 after 45 msecs but it hung hard there instead. bisection led to this commit: | commit 5806b81ac1c0c52665b91723fd4146a4f86e386b | Merge: d14c8a6... 6712e29... | Author: Ingo Molnar <mingo@elte.hu> | Date: Mon Jul 14 16:11:52 2008 +0200 | Merge branch 'auto-ftrace-next' into tracing/for-linus turns out that i made this mistake in the merge: ifdef CONFIG_FTRACE # Do not profile debug utilities CFLAGS_REMOVE_tsc_64.o = -pg CFLAGS_REMOVE_tsc_32.o = -pg those two files got unified meanwhile - so the dont-profile annotation got lost. The proper rule is: CFLAGS_REMOVE_tsc.o = -pg i guess this could have been caught sooner if the CFLAGS_REMOVE* kbuild rule aborted the build if it met a target that does not exist anymore? Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-16fix dangling zombie when new parent ignores childrenRoland McGrath
This fixes an arcane bug that we think was a regression introduced by commit b2b2cbc4b2a2f389442549399a993a8306420baf. When a parent ignores SIGCHLD (or uses SA_NOCLDWAIT), its children would self-reap but they don't if it's using ptrace on them. When the parent thread later exits and ceases to ptrace a child but leaves other live threads in the parent's thread group, any zombie children are left dangling. The fix makes them self-reap then, as they would have done earlier if ptrace had not been in use. Signed-off-by: Roland McGrath <roland@redhat.com>
2008-07-16do_wait: return security_task_wait() error code in place of -ECHILDRoland McGrath
This reverts the effect of commit f2cc3eb133baa2e9dc8efd40f417106b2ee520f3 "do_wait: fix security checks". That change reverted the effect of commit 73243284463a761e04d69d22c7516b2be7de096c. The rationale for the original commit still stands. The inconsistent treatment of children hidden by ptrace was an unintended omission in the original change and in no way invalidates its purpose. This makes do_wait return the error returned by security_task_wait() (usually -EACCES) in place of -ECHILD when there are some children the caller would be able to wait for if not for the permission failure. A permission error will give the user a clue to look for security policy problems, rather than for mysterious wait bugs. Signed-off-by: Roland McGrath <roland@redhat.com>
2008-07-16ptrace children revampRoland McGrath
ptrace no longer fiddles with the children/sibling links, and the old ptrace_children list is gone. Now ptrace, whether of one's own children or another's via PTRACE_ATTACH, just uses the new ptraced list instead. There should be no user-visible difference that matters. The only change is the order in which do_wait() sees multiple stopped children and stopped ptrace attachees. Since wait_task_stopped() was changed earlier so it no longer reorders the children list, we already know this won't cause any new problems. Signed-off-by: Roland McGrath <roland@redhat.com>
2008-07-16do_wait reorganizationRoland McGrath
This breaks out the guts of do_wait into three subfunctions. The control flow is less nonobvious without so much goto. do_wait_thread and ptrace_do_wait contain the main work of the outer loop. wait_consider_task contains the main work of the inner loop. Signed-off-by: Roland McGrath <roland@redhat.com>
2008-07-16scsi_dh: Verify "dev" is a sdev before accessing it.Chandra Seetharaman
Before accessing the device data structure in hardware handlers, make sure it is a indeed a sdev device. Yinghai Lu <yhlu.kernel@gmail.com> found the bug on Jul 16, 2008, and later tested/verified the following fix. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-16Merge branch 'linux-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (72 commits) Revert "x86/PCI: ACPI based PCI gap calculation" PCI: remove unnecessary volatile in PCIe hotplug struct controller x86/PCI: ACPI based PCI gap calculation PCI: include linux/pm_wakeup.h for device_set_wakeup_capable PCI PM: Fix pci_prepare_to_sleep x86/PCI: Fix PCI config space for domains > 0 Fix acpi_pm_device_sleep_wake() by providing a stub for CONFIG_PM_SLEEP=n PCI: Simplify PCI device PM code PCI PM: Introduce pci_prepare_to_sleep and pci_back_from_sleep PCI ACPI: Rework PCI handling of wake-up ACPI: Introduce new device wakeup flag 'prepared' ACPI: Introduce acpi_device_sleep_wake function PCI: rework pci_set_power_state function to call platform first PCI: Introduce platform_pci_power_manageable function ACPI: Introduce acpi_bus_power_manageable function PCI: make pci_name use dev_name PCI: handle pci_name() being const PCI: add stub for pci_set_consistent_dma_mask() PCI: remove unused arch pcibios_update_resource() functions PCI: fix pci_setup_device()'s sprinting into a const buffer ... Fixed up conflicts in various files (arch/x86/kernel/setup_64.c, arch/x86/pci/irq.c, arch/x86/pci/pci.h, drivers/acpi/sleep/main.c, drivers/pci/pci.c, drivers/pci/pci.h, include/acpi/acpi_bus.h) from x86 and ACPI updates manually.
2008-07-16Revert "x86/PCI: ACPI based PCI gap calculation"Jesse Barnes
This reverts commit 809d9a8f93bd8504dcc34b16bbfdfd1a8c9bb1ed. This one isn't quite ready for prime time. It needs more testing and additional feedback from the ACPI guys.
2008-07-16[PATCH] ocfs2: fix oops in mmap_truncate testingColy Li
This patch fixes a mmap_truncate bug which was found by ocfs2 test suite. In an ocfs2 cluster more than 1 node, run program mmap_truncate, which races mmap writes and truncates from multiple processes. While the test is running, a stat from another node forces writeout, causing an oops in ocfs2_get_block() because it sees a buffer to write which isn't allocated. This patch fixed the bug by clear dirty and uptodate bits in buffer, leave the buffer unmapped and return. Fix is suggested by Mark Fasheh, and I code up the patch. Signed-off-by: Coly Li <coyli@suse.de> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-07-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (68 commits) sdio_uart: Fix SDIO break control to now return success or an error mmc: host driver for Ricoh Bay1Controllers sdio: sdio_io.c Fix sparse warnings sdio: fix the use of hard coded timeout value. mmc: OLPC: update vdd/powerup quirk comment mmc: fix spares errors of sdhci.c mmc: remove multiwrite capability wbsd: fix bad dma_addr_t conversion atmel-mci: Driver for Atmel on-chip MMC controllers mmc: fix sdio_io sparse errors mmc: wbsd.c fix shadowing of 'dma' variable MMC: S3C24XX: Refuse incorrectly aligned transfers MMC: S3C24XX: Add maintainer entry MMC: S3C24XX: Update error debugging. MMC: S3C24XX: Add media presence test to request handling. MMC: S3C24XX: Fix use of msecs where jiffies are needed MMC: S3C24XX: Add MODULE_ALIAS() entries for the platform devices MMC: S3C24XX: Fix s3c2410_dma_request() return code check. MMC: S3C24XX: Allow card-detect on non-IRQ capable pin MMC: S3C24XX: Ensure host->mrq->data is valid ... Manually fixed up bogus executable bits on drivers/mmc/core/sdio_io.c and include/linux/mmc/sdio_func.h when merging.
2008-07-16Merge branch 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6Linus Torvalds
* 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6: UBIFS: include to compilation UBIFS: add new flash file system UBIFS: add brief documentation MAINTAINERS: add UBIFS section do_mounts: allow UBI root device name VFS: export sync_sb_inodes VFS: move inode_lock into sync_sb_inodes
2008-07-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (76 commits) IDE: Report errors during drive reset back to user space Update documentation of HDIO_DRIVE_RESET ioctl IDE: Remove unused code IDE: Fix HDIO_DRIVE_RESET handling hd.c: remove the #include <linux/mc146818rtc.h> update the BLK_DEV_HD help text move ide/legacy/hd.c to drivers/block/ ide/legacy/hd.c: use late_initcall() remove BLK_DEV_HD_ONLY ide: endian annotations in ide-floppy.c ide-floppy: zero out the whole struct ide_atapi_pc on init ide-floppy: fold idefloppy_create_test_unit_ready_cmd into idefloppy_open ide-cd: move request prep chunk from cdrom_do_newpc_cont to rq issue path ide-cd: move request prep from cdrom_start_rw_cont to rq issue path ide-cd: move request prep from cdrom_start_seek_continuation to rq issue path ide-cd: fold cdrom_start_seek into ide_cd_do_request ide-cd: simplify request issuing path ide-cd: mv ide_do_rw_cdrom ide_cd_do_request ide-cd: cdrom_start_seek: remove unused argument block ide-cd: ide_do_rw_cdrom: add the catch-all bad request case to the if-else block ...
2008-07-16Merge branch 'release-2.6.27' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-merge-2.6 * 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-merge-2.6: (87 commits) Fix FADT parsing Add the ability to reset the machine using the RESET_REG in ACPI's FADT table. ACPI: use dev_printk when possible PNPACPI: add support for HP vendor-specific CCSR descriptors PNP: avoid legacy IDE IRQs PNP: convert resource options to single linked list ISAPNP: handle independent options following dependent ones PNP: remove extra 0x100 bit from option priority PNP: support optional IRQ resources PNP: rename pnp_register_*_resource() local variables PNPACPI: ignore _PRS interrupt numbers larger than PNP_IRQ_NR PNP: centralize resource option allocations PNP: remove redundant pnp_can_configure() check PNP: make resource assignment functions return 0 (success) or -EBUSY (failure) PNP: in debug resource dump, make empty list obvious PNP: improve resource assignment debug PNP: increase I/O port & memory option address sizes PNP: introduce pnp_irq_mask_t typedef PNP: make resource option structures private to PNP subsystem PNP: define PNP-specific IORESOURCE_IO_* flags alongside IRQ, DMA, MEM ...
2008-07-16block: Trivial fix for blk_integrity_rq()Martin K. Petersen
Fail integrity check gracefully when request does not have a bio attached (BLOCK_PC). Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-16Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (82 commits) NFSv4: Remove BKL from the nfsv4 state recovery SUNRPC: Remove the BKL from the callback functions NFS: Remove BKL from the readdir code NFS: Remove BKL from the symlink code NFS: Remove BKL from the sillydelete operations NFS: Remove the BKL from the rename, rmdir and unlink operations NFS: Remove BKL from NFS lookup code NFS: Remove the BKL from nfs_link() NFS: Remove the BKL from the inode creation operations NFS: Remove BKL usage from open() NFS: Remove BKL usage from the write path NFS: Remove the BKL from the permission checking code NFS: Remove attribute update related BKL references NFS: Remove BKL requirement from attribute updates NFS: Protect inode->i_nlink updates using inode->i_lock nfs: set correct fl_len in nlmclnt_test() SUNRPC: Support registering IPv6 interfaces with local rpcbind daemon SUNRPC: Refactor rpcb_register to make rpcbindv4 support easier SUNRPC: None of rpcb_create's callers wants a privileged source port SUNRPC: Introduce a specific rpcb_create for contacting localhost ...
2008-07-16Fix FADT parsingJan Beulich
The (1.0 inherited) separate length fields in the FADT are byte granular. Further, PM1a/b may have distinct lengths and live in distinct address spaces. acpi_tb_convert_fadt() should account for all of these conditions. Apart from these changes I'm puzzled by the fact that, not just for acpi_gbl_xpm1{a,b}_enable, acpi_hw_low_level_{read,write}() get an explicit size passed rather than using the size found in the passed GAS. What happens on a platform that defines PM1{a,b} wider than 16 bits? Of course, acpi_hw_low_level_{read,write}() at present are entirely un-prepared to deal with sizes other than 8, 16, or 32, not to speak of a non-zero bit_offset or access_width... Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-07-16Add the ability to reset the machine using the RESET_REG in ACPI's FADT table.Aaron Durbin
Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-07-16ACPI: use dev_printk when possibleBjorn Helgaas
Convert printks to use dev_printk(). The most obvious change will be messages like this: -ACPI: PCI Interrupt 0000:00:04.0[A] -> GSI 31 (level, low) -> IRQ 31 +cciss 0000:00:04.0: PCI INT A -> GSI 31 (level, low) -> IRQ 31 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
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