1. 27 2月, 2014 1 次提交
  2. 13 2月, 2014 4 次提交
    • L
      ACPICA: Add boot option to disable auto return object repair · 4dde507f
      Lv Zheng 提交于
      Sometimes, there might be bugs caused by unexpected AML which is compliant
      to the Windows but not compliant to the Linux implementation.
      
      There is a predefined validation mechanism implemented in ACPICA to repair
      the unexpected AML evaluation results that are caused by the unexpected
      AMLs.  For example, BIOS may return misorder _CST result and the repair
      mechanism can make an ascending order on the returned _CST package object
      based on the C-state type.
      This mechanism is quite useful to implement an AML interpreter with better
      compliance with the real world where Windows is the de-facto standard and
      BIOS codes are only tested on one platform thus not compliant to the
      ACPI specification.
      
      But if a compliance issue hasn't been figured out yet, it will be
      difficult for developers to identify if the unexpected evaluation result
      is caused by this mechanism or by the AML interpreter.
      For example, _PR0 is expected to be a control method, but BIOS may use
      Package: "Name(_PR0, Package(1) {P1PR})".
      This boot option can disable the predefined validation mechanism so that
      developers can make sure the root cause comes from the parser/executer.
      
      This patch adds a new kernel parameter to disable this feature.
      
      A build test has been made on a Dell Inspiron mini 1100 (i386 z530)
      machine when this patch is applied and the corresponding boot test is
      performed w/ or w/o the new kernel parameter specified.
      
      References: https://bugzilla.kernel.org/show_bug.cgi?id=67901Tested-by: NFabian Wehning <fabian.wehning@googlemail.com>
      Signed-off-by: NLv Zheng <lv.zheng@intel.com>
      Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
      4dde507f
    • L
      ACPICA: acpidump: Remove integer types translation protection. · e252652f
      Lv Zheng 提交于
      Remove translation protection for applications as Linux tools folder will
      start to use such types.
      
      In Linux kernel source tree, after removing this translation protection,
      the u8/u16/u32/u64/s32/s64 typedefs are exposed for both __KERNEL__ builds
      and !__KERNEL__ builds (tools/power/acpi) and the original definitions of
      ACPI_UINT8/16/32/64_MAX are changed.
      
      For !__KERNEL__ builds, this kind of defintions should already been tested
      by the distribution vendors that are distributing binary ACPICA package and
      we've achieved the successful built/run test result in the kernel source
      tree.
      
      For __KERNEL__ builds, there are 2 things affected:
      1. u8/u16/u32/u64/s32/s64 type definitions:
         Since Linux has already type defined u8/u16/u32/u64/s32/s64 in
         include/uapi/asm-generic/int-ll64.h for __KERNEL__.  In order not to
         introduce build regressions where the 2 typedefs are differed,
         ACPI_USE_SYSTEM_INTTYPES is introduced to mask out ACPICA's typedefs.
         It must be defined for Linux __KERNEL__ builds.
      2. ACPI_UINT8/16/32/64_MAX definitions:
         Before applying this change:
           ACPI_UINT8_MAX: sizeof (UINT8)
            UINT8: unsigned char
           ACPI_UINT16_MAX: sizeof (UINT16)
            UINT16: unsigned short
           ACPI_UINT32_MAX: sizeof (UINT32)
            INT32: int
            UINT32: unsigned int
           ACPI_UINT64_MAX: sizeof (UINT64)
            INT64: COMPILER_DEPENDENT_INT64
             COMPILER_DEPENDENT_INT64: signed long (IA64) or
                                       signed long long (IA32)
            UINT64: COMPILER_DEPENDENT_UINT64
             COMPILER_DEPENDENT_UINT64: unsigned long (IA64) or
                                        unsigned long long (IA32)
         After applying this change:
           ACPI_UINT8_MAX: sizeof (u8)
            u8: unsigned char
            UINT8: (removed from actypes.h)
           ACPI_UINT16_MAX: sizeof (u16)
            u16: unsigned short
            UINT16: (removed from actypes.h)
           ACPI_UINT32_MAX: sizeof (u32)
            INT32/UINT32: (removed from actypes.h)
            s32: signed int
            u32: unsigned int
           ACPI_UINT64_MAX: sizeof (u64)
            INT64/UINT64: (removed from actypes.h)
            u64: unsigned long long
            s64: signed long long
            COMPILER_DEPENDENT_INT64: signed long (IA64) (not used any more)
                                      signed long long (IA32) (not used any more)
            COMPILER_DEPENDENT_UINT64: unsigned long (IA64) (not used any more)
                                       unsigned long long (IA32) (not used any more)
         All definitions are equal except ACPI_UINT64_MAX for CONFIG_IA64.  It
         is changed from sizeof(unsigned long) to sizeof(unsigned long long).
         By investigation, 64bit Linux kernel build is LP64 compliant, i.e.,
         sizeof(long) and (pointer) are 64.  As sizeof(unsigned long) equals to
         sizeof(unsigned long long) on IA64 platform where CONFIG_64BIT cannot be
         disabled, this change actually will not affect the value of
         ACPI_UINT64_MAX on IA64 platforms.
      
      This patch is necessary for the ACPICA's acpidump tool to build
      correctly.  Lv Zheng.
      Signed-off-by: NLv Zheng <lv.zheng@intel.com>
      Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
      e252652f
    • L
      ACPICA: acpidump: Add sparse declarators support. · 7e66b46b
      Lv Zheng 提交于
      Linux kernel resident ACPICA headers include some sparse declarators for
      kernel static checkers.  This patch adds code to disable them for non
      __KERNEL__ defined code so that it is possible for the ACPICA user space
      tool's source files to be built with Linux kernel ACPICA header files
      included.  Lv Zheng.
      
      Linux kernel build is not affected by this commit.
      Signed-off-by: NLv Zheng <lv.zheng@intel.com>
      Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
      7e66b46b
    • B
      ACPICA: Add "Windows 2013" string to _OSI support. · faae404e
      Bob Moore 提交于
      This urgent patch is cherry picked from ACPICA upstream.
      It is reported that some platforms fail to boot without this new _OSI
      string.
      
      This change adds this string for Windows 8.1 and Server 2012 R2.
      Reported-by: NZhang Rui <rui.zhang@intel.com>
      Signed-off-by: NBob Moore <Robert.Moore@intel.com>
      Signed-off-by: NLv Zheng <lv.zheng@intel.com>
      Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
      faae404e
  3. 11 2月, 2014 10 次提交
  4. 10 2月, 2014 8 次提交
  5. 09 2月, 2014 10 次提交
    • F
      Btrfs: fix data corruption when reading/updating compressed extents · a2aa75e1
      Filipe David Borba Manana 提交于
      When using a mix of compressed file extents and prealloc extents, it
      is possible to fill a page of a file with random, garbage data from
      some unrelated previous use of the page, instead of a sequence of zeroes.
      
      A simple sequence of steps to get into such case, taken from the test
      case I made for xfstests, is:
      
         _scratch_mkfs
         _scratch_mount "-o compress-force=lzo"
         $XFS_IO_PROG -f -c "pwrite -S 0x06 -b 18670 266978 18670" $SCRATCH_MNT/foobar
         $XFS_IO_PROG -c "falloc 26450 665194" $SCRATCH_MNT/foobar
         $XFS_IO_PROG -c "truncate 542872" $SCRATCH_MNT/foobar
         $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/foobar
      
      This results in the following file items in the fs tree:
      
         item 4 key (257 INODE_ITEM 0) itemoff 15879 itemsize 160
             inode generation 6 transid 6 size 542872 block group 0 mode 100600
         item 5 key (257 INODE_REF 256) itemoff 15863 itemsize 16
             inode ref index 2 namelen 6 name: foobar
         item 6 key (257 EXTENT_DATA 0) itemoff 15810 itemsize 53
             extent data disk byte 0 nr 0 gen 6
             extent data offset 0 nr 24576 ram 266240
             extent compression 0
         item 7 key (257 EXTENT_DATA 24576) itemoff 15757 itemsize 53
             prealloc data disk byte 12849152 nr 241664 gen 6
             prealloc data offset 0 nr 241664
         item 8 key (257 EXTENT_DATA 266240) itemoff 15704 itemsize 53
             extent data disk byte 12845056 nr 4096 gen 6
             extent data offset 0 nr 20480 ram 20480
             extent compression 2
         item 9 key (257 EXTENT_DATA 286720) itemoff 15651 itemsize 53
             prealloc data disk byte 13090816 nr 405504 gen 6
             prealloc data offset 0 nr 258048
      
      The on disk extent at offset 266240 (which corresponds to 1 single disk block),
      contains 5 compressed chunks of file data. Each of the first 4 compress 4096
      bytes of file data, while the last one only compresses 3024 bytes of file data.
      Therefore a read into the file region [285648 ; 286720[ (length = 4096 - 3024 =
      1072 bytes) should always return zeroes (our next extent is a prealloc one).
      
      The solution here is the compression code path to zero the remaining (untouched)
      bytes of the last page it uncompressed data into, as the information about how
      much space the file data consumes in the last page is not known in the upper layer
      fs/btrfs/extent_io.c:__do_readpage(). In __do_readpage we were correctly zeroing
      the remainder of the page but only if it corresponds to the last page of the inode
      and if the inode's size is not a multiple of the page size.
      
      This would cause not only returning random data on reads, but also permanently
      storing random data when updating parts of the region that should be zeroed.
      For the example above, it means updating a single byte in the region [285648 ; 286720[
      would store that byte correctly but also store random data on disk.
      
      A test case for xfstests follows soon.
      Signed-off-by: NFilipe David Borba Manana <fdmanana@gmail.com>
      Signed-off-by: NChris Mason <clm@fb.com>
      a2aa75e1
    • J
      Btrfs: don't loop forever if we can't run because of the tree mod log · 27a377db
      Josef Bacik 提交于
      A user reported a 100% cpu hang with my new delayed ref code.  Turns out I
      forgot to increase the count check when we can't run a delayed ref because of
      the tree mod log.  If we can't run any delayed refs during this there is no
      point in continuing to look, and we need to break out.  Thanks,
      Signed-off-by: NJosef Bacik <jbacik@fb.com>
      Signed-off-by: NChris Mason <clm@fb.com>
      27a377db
    • D
      btrfs: reserve no transaction units in btrfs_ioctl_set_features · 8051aa1a
      David Sterba 提交于
      Added in patch "btrfs: add ioctls to query/change feature bits online"
      modifications to superblock don't need to reserve metadata blocks when
      starting a transaction.
      Signed-off-by: NDavid Sterba <dsterba@suse.cz>
      Signed-off-by: NChris Mason <clm@fb.com>
      8051aa1a
    • J
      btrfs: commit transaction after setting label and features · d0270aca
      Jeff Mahoney 提交于
      The set_fslabel ioctl uses btrfs_end_transaction, which means it's
      possible that the change will be lost if the system crashes, same for
      the newly set features. Let's use btrfs_commit_transaction instead.
      Signed-off-by: NJeff Mahoney <jeffm@suse.com>
      Signed-off-by: NDavid Sterba <dsterba@suse.cz>
      Signed-off-by: NChris Mason <clm@fb.com>
      d0270aca
    • J
      Btrfs: fix assert screwup for the pending move stuff · 6cc98d90
      Josef Bacik 提交于
      Wang noticed that he was failing btrfs/030 even though me and Filipe couldn't
      reproduce.  Turns out this is because Wang didn't have CONFIG_BTRFS_ASSERT set,
      which meant that a key part of Filipe's original patch was not being built in.
      This appears to be a mess up with merging Filipe's patch as it does not exist in
      his original patch.  Fix this by changing how we make sure del_waiting_dir_move
      asserts that it did not error and take the function out of the ifdef check.
      This makes btrfs/030 pass with the assert on or off.  Thanks,
      Signed-off-by: NJosef Bacik <jbacik@fb.com>
      Reviewed-by: NFilipe Manana <fdmanana@gmail.com>
      Signed-off-by: NChris Mason <clm@fb.com>
      6cc98d90
    • L
      Merge tag 'pinctrl-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl · 49447903
      Linus Torvalds 提交于
      Pull pinctrl fixes from Linus Walleij:
       "First round of pin control fixes for v3.14:
      
         - Protect pinctrl_list_add() with the proper mutex.  This was
           identified by RedHat.  Caused nasty locking warnings was rootcased
           by Stanislaw Gruszka.
      
         - Avoid adding dangerous debugfs files when either half of the
           subsystem is unused: pinmux or pinconf.
      
         - Various fixes to various drivers: locking, hardware particulars, DT
           parsing, error codes"
      
      * tag 'pinctrl-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
        pinctrl: tegra: return correct error type
        pinctrl: do not init debugfs entries for unimplemented functionalities
        pinctrl: protect pinctrl_list add
        pinctrl: sirf: correct the pin index of ac97_pins group
        pinctrl: imx27: fix offset calculation in imx_read_2bit
        pinctrl: vt8500: Change devicetree data parsing
        pinctrl: imx27: fix wrong offset to ICONFB
        pinctrl: at91: use locked variant of irq_set_handler
      49447903
    • L
      Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · c132adef
      Linus Torvalds 提交于
      Pull irq fix from Thomas Gleixner:
       "Add a missing Kconfig dependency"
      
      * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        genirq: Generic irq chip requires IRQ_DOMAIN
      c132adef
    • L
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · c1ff8431
      Linus Torvalds 提交于
      Pull x86 fixes from Peter Anvin:
       "Quite a varied little collection of fixes.  Most of them are
        relatively small or isolated; the biggest one is Mel Gorman's fixes
        for TLB range flushing.
      
        A couple of AMD-related fixes (including not crashing when given an
        invalid microcode image) and fix a crash when compiled with gcov"
      
      * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86, microcode, AMD: Unify valid container checks
        x86, hweight: Fix BUG when booting with CONFIG_GCOV_PROFILE_ALL=y
        x86/efi: Allow mapping BGRT on x86-32
        x86: Fix the initialization of physnode_map
        x86, cpu hotplug: Fix stack frame warning in check_irq_vectors_for_cpu_disable()
        x86/intel/mid: Fix X86_INTEL_MID dependencies
        arch/x86/mm/srat: Skip NUMA_NO_NODE while parsing SLIT
        mm, x86: Revisit tlb_flushall_shift tuning for page flushes except on IvyBridge
        x86: mm: change tlb_flushall_shift for IvyBridge
        x86/mm: Eliminate redundant page table walk during TLB range flushing
        x86/mm: Clean up inconsistencies when flushing TLB ranges
        mm, x86: Account for TLB flushes only when debugging
        x86/AMD/NB: Fix amd_set_subcaches() parameter type
        x86/quirks: Add workaround for AMD F16h Erratum792
        x86, doc, kconfig: Fix dud URL for Microcode data
      c1ff8431
    • L
      Merge tag 'jfs-3.14-rc2' of git://github.com/kleikamp/linux-shaggy · ec2e6cb2
      Linus Torvalds 提交于
      Pull jfs fix from David Kleikamp:
       "Fix regression"
      
      * tag 'jfs-3.14-rc2' of git://github.com/kleikamp/linux-shaggy:
        jfs: fix generic posix ACL regression
      ec2e6cb2
    • D
      jfs: fix generic posix ACL regression · c18f7b51
      Dave Kleikamp 提交于
      I missed a couple errors in reviewing the patches converting jfs
      to use the generic posix ACL function. Setting ACL's currently
      fails with -EOPNOTSUPP.
      Signed-off-by: NDave Kleikamp <dave.kleikamp@oracle.com>
      Reported-by: NMichael L. Semon <mlsemon35@gmail.com>
      Reviewed-by: NChristoph Hellwig <hch@lst.de>
      c18f7b51
  6. 08 2月, 2014 7 次提交