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  1. 04 3月, 2010 4 次提交
  3. 01 3月, 2010 21 次提交
  5. 28 2月, 2010 15 次提交
    • P
      rcu: Make task_subsys_state() RCU-lockdep checks handle boot-time use · 1883c79a
      由 Paul E. McKenney 提交于 
      It is apparently legal to invoke task_subsys_state() without RCU
protection during early boot time.  After all, there are no
concurrent tasks, so there can be no grace periods completing
concurrently.

But this does need an Acked-by from the cgroups folks.
Located-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1267311188-16603-2-git-send-email-paulmck@linux.vnet.ibm.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      1883c79a
    • P
      rcu: Fix holdoff for accelerated GPs for last non-dynticked CPU · 622ea685
      由 Paul E. McKenney 提交于 
      Make the holdoff only happen when the full number of attempts
have been made.
Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1267311188-16603-1-git-send-email-paulmck@linux.vnet.ibm.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      622ea685
    • L
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k · 847f9c60
      由 Linus Torvalds 提交于 
      * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (24 commits)
  m68k: Define sigcontext ABI of ColdFire
  m68knommu: NPTL support for uClinux
  m68k: Add NPTL support
  m68k: Eliminate unused variable in page_to_phys()
  m68k: Switch to generic siginfo layout
  macfb: fix 24-bit visual and stuff
  macfb: cleanup
  fbdev: add some missing mac modes
  mac68k: start CUDA early
  valkyriefb: various fixes
  fbdev: mac_var_to_mode() fix
  mac68k: move macsonic and macmace platform devices
  mac68k: move mac_esp platform device
  mac68k: replace mac68k SCC code with platform device
  pmac-zilog: add platform driver
  pmac-zilog: cleanup
  mac68k: rework SWIM platform device
  mac68k: cleanup
  ataflop: Killl warning about unused variable flags
  m68k: Use DIV_ROUND_CLOSEST
  ...
      847f9c60
    • L
      Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 · 79811647
      由 Linus Torvalds 提交于 
      * 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (35 commits)
  [S390] time: remove unused code
  [S390] zcore: Add prefix registers to dump header
  [S390] correct vdso version string
  [S390] add support for compressed kernels
  [S390] Define new s390 ELF note sections in elf.h
  [S390] codepage conversion of kernel parameter line
  [S390] seq_file: convert drivers/s390/
  [S390] add z9-ec/z10 instruction to kernel disassembler
  [S390] dasd: correct offline processing
  [S390] dasd: fix refcounting.
  [S390] dasd: fix online/offline race
  [S390] use kprobes_built_in() in mm/fault code
  [S390] bug: use relative pointers in bug table entries
  [S390] Cleanup struct _lowcore usage and defines.
  [S390] free_initmem: reduce code duplication
  [S390] Replace ENOTSUPP usage with EOPNOTSUPP
  [S390] spinlock: check virtual cpu running status
  [S390] sysinfo: fix SYSIB 3,2,2 structure
  [S390] add MACHINE_IS_LPAR flag
  [S390] qdio: optimize cache line usage of struct qdio_irq
  ...
      79811647
    • L
      Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus · f1dd6ad5
      由 Linus Torvalds 提交于 
      * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits)
  MIPS: Alchemy: defconfig updates
  MIPS: Alchemy: Fix Au1100 ethernet build failure
  MIPS: Alchemy: Repair db1500/bosporus builds
  MIPS: ARC: Cleanup unused definitions from sgialib.h
  MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses
  MIPS: Alchemy: use 36bit addresses for PCMCIA resources.
  MIPS: Cobalt: Fix theoretical port aliasing issue
  MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1)
  MIPS: Crazy spinlock speed test.
  MIPS: Optimize spinlocks.
  MIPS: Alchemy: devboard PM needs to save CPLD registers.
  MIPS: PowerTV: Eliminate duplicate opcode definition macros
  MIPS: Lemote 2F: Move printks out of port_access_lock.
  MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks.
  MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c.
  MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks.
  MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock.
  MIPS: Loongson: Remove pointless sample_lock from oprofile code.
  MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock.
  MIPS: i8259: Convert IRQ controller lock to raw spinlock.
  ...
      f1dd6ad5
    • L
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 · 8d37a371
      由 Linus Torvalds 提交于 
      * git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (49 commits)
  pcmcia: validate late-added resources
  pcmcia: allow for extension of resource interval
  pcmcia: remove useless msleep in ds.c
  pcmcia: use read_cis_mem return value
  pcmcia: handle error in serial_cs config calls
  pcmcia: add locking to pcmcia_{read,write}_cis_mem
  pcmcia: avoid prod_id memleak
  pcmcia: avoid sysfs-related lockup for cardbus
  pcmcia: use state machine for extended requery
  pcmcia: delay re-scanning and re-querying of PCMCIA bus
  pcmcia: use pccardd to handle eject, insert, suspend and resume requests
  pcmcia: use ops_mutex for rsrc_{mgr,nonstatic} locking
  pcmcia: use mutex for dynid lock
  pcmcia: assert locking to struct pcmcia_device
  pcmcia: add locking documentation
  pcmcia: simplify locking
  pcmcia: add locking to struct pcmcia_socket->pcmcia_state()
  pcmcia: protect s->device_count
  pcmcia: properly lock skt->irq, skt->irq_mask
  pcmcia: lock ops->set_socket
  ...
      8d37a371
    • L
      Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc · ef1a8de8
      由 Linus Torvalds 提交于 
      * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (88 commits)
  powerpc: Fix lwsync feature fixup vs. modules on 64-bit
  powerpc: Convert pmc_owner_lock to raw_spinlock
  powerpc: Convert die.lock to raw_spinlock
  powerpc: Convert tlbivax_lock to raw_spinlock
  powerpc: Convert mpic locks to raw_spinlock
  powerpc: Convert pmac_pic_lock to raw_spinlock
  powerpc: Convert big_irq_lock to raw_spinlock
  powerpc: Convert feature_lock to raw_spinlock
  powerpc: Convert i8259_lock to raw_spinlock
  powerpc: Convert beat_htab_lock to raw_spinlock
  powerpc: Convert confirm_error_lock to raw_spinlock
  powerpc: Convert ipic_lock to raw_spinlock
  powerpc: Convert native_tlbie_lock to raw_spinlock
  powerpc: Convert beatic_irq_mask_lock to raw_spinlock
  powerpc: Convert nv_lock to raw_spinlock
  powerpc: Convert context_lock to raw_spinlock
  powerpc/85xx: Add NOR, LEDs and PIB support for MPC8568E-MDS boards
  powerpc/86xx: Enable VME driver on the GE SBC610
  powerpc/86xx: Enable VME driver on the GE PPC9A
  powerpc/86xx: Add MSI section to GE PPC9A DTS
  ...
      ef1a8de8
    • M
      m68k: Define sigcontext ABI of ColdFire · 00ebfe58
      由 Maxim Kuvyrkov 提交于 
      The following patch defines sigcontext ABI of ColdFire.  Due to ISA
restrictions ColdFire needs different rt_sigreturn trampoline.

And due to ColdFire FP registers being 8-bytes instead of 12-bytes on
m68k, sigcontext and fpregset structures should be updated.

Regarding the sc_fpstate[16+6*8] field, it would've been enough 16
bytes to store ColdFire's FP state.  To accomodate GLIBC's libSegFault
it would'be been enough 6*8 bytes (room for the 6 non-call-clobbered
FP registers).  I set it to 16+6*8 to provide some extra space for any
future changes in the ColdFire FPU.
Signed-off-by: NMaxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      00ebfe58
    • M
      m68knommu: NPTL support for uClinux · a58f7534
      由 Maxim Kuvyrkov 提交于 
      Port syscalls for NPTL support to m68knommu.
Signed-off-by: NMaxim Kuvyrkov <maxim@codesourcery.com>
Acked-by: NGreg Ungerer <gerg@uclinux.org>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      a58f7534
    • M
      m68k: Add NPTL support · 9674cdc7
      由 Maxim Kuvyrkov 提交于 
      This patch adds several syscalls, that provide necessary
functionality to support NPTL on m68k/ColdFire.
The syscalls are get_thread_area, set_thread_area, atomic_cmpxchg_32 and
atomic_barrier.
The cmpxchg syscall is required for ColdFire as it doesn't support 'cas'
instruction.

Also a ptrace call PTRACE_GET_THREAD_AREA is added to allow debugger to
inspect the TLS storage.
Signed-off-by: NMaxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      9674cdc7
    • G
      m68k: Eliminate unused variable in page_to_phys() · f54bcdc2
      由 Geert Uytterhoeven 提交于 
      "pgdat" is unused, so we can eliminate it and turn page_to_phys()
into a single-line macro.
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      f54bcdc2
    • M
      m68k: Switch to generic siginfo layout · 5da3a65d
      由 Maxim Kuvyrkov 提交于 
      This patch switches m68k to generic siginfo layout.  The custom layout
of m68k's `struct siginfo' had several issues due to not considering
aliasing of members in the union, e.g., _uid32 was at different offsets
in ._kill, ._rt and ._sigchld.
Signed-off-by: NMaxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      5da3a65d
    • F
      macfb: fix 24-bit visual and stuff · 99e11ab2
      由 Finn Thain 提交于 
      Lots of changes. Remove volatile keywords. Take the advice in the comments
and change video_slot to slot_addr. Factor out fifteen or so "channel >>
8" shifts into three shifts higher up the call graph. Make
csc_setpalette() atomic, pass the correct color values. Check for
ioremap() failure. Add missing break statement, thus fixing 24 bit console
visual (blue background bug). Remove some uninformative printk() noise.
Add a description for powerbook 140/170 graphics.
Signed-off-by: NFinn Thain <fthain@telegraphics.com.au>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      99e11ab2
    • F
      macfb: cleanup · 34c41d0a
      由 Finn Thain 提交于 
      Cleanup whitespace and code style. Remove unused #includes and prototypes.
Remove obsolete, redundant or misleading comments. Remove dead code and
redundant initialisers.
Signed-off-by: NFinn Thain <fthain@telegraphics.com.au>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      34c41d0a
    • F
      fbdev: add some missing mac modes · 1bb63845
      由 Finn Thain 提交于 
      Add the missing mac video modes for the Portrait and 12" RGB displays. The
specs come from the Mac LC III developer note.
Signed-off-by: NFinn Thain <fthain@telegraphics.com.au>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
      1bb63845