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David S. Miller 24f287e412 [SPARC64]: Implement atomic backoff. 
When the cpu count is high and contention hits an atomic object, the
processors can synchronize such that some cpus continually get knocked
out and cannot complete the atomic update.

So implement an exponential backoff when SMP.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-17 16:24:55 -07:00
..
acpi
asm-alpha increase AT_VECTOR_SIZE to terminate saved_auxv properly 2007-10-17 08:43:00 -07:00
asm-arm remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-arm26 softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-avr32 Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-blackfin Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-cris remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-frv remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-generic remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-h8300 Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-ia64 increase AT_VECTOR_SIZE to terminate saved_auxv properly 2007-10-17 08:43:00 -07:00
asm-m32r remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-m68k Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-m68knommu Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-mips [MIPS] Alchemy: Renumber interrupts so irq_cpu can work. 2007-10-17 18:28:48 +01:00
asm-parisc Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-powerpc Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2007-10-17 09:05:55 -07:00
asm-ppc Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2007-10-17 09:05:55 -07:00
asm-s390 remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-sh increase AT_VECTOR_SIZE to terminate saved_auxv properly 2007-10-17 08:43:00 -07:00
asm-sh64 Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-sparc Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
asm-sparc64 [SPARC64]: Implement atomic backoff. 2007-10-17 16:24:55 -07:00
asm-um x86: rename .i assembler includes to .h 2007-10-17 20:16:29 +02:00
asm-v850 remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
asm-x86 Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86 2007-10-17 13:13:16 -07:00
asm-xtensa remove strict ansi check from __u64 in asm/types.h 2007-10-17 08:42:53 -07:00
crypto [CRYPTO] sha: Add header file for SHA definitions 2007-10-10 16:55:50 -07:00
keys KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
linux net: libertas sdio driver 2007-10-17 22:51:13 +02:00
math-emu
media v4l: copy_to_user() is not a good method name 2007-10-13 09:58:59 -07:00
mtd
net 9p: remove sysctl 2007-10-17 14:35:15 -05:00
pcmcia pcmcia: use DMA_MASK_NONE for the default for all pcmcia devices 2007-10-16 09:42:50 -07:00
rdma
rxrpc
scsi do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00
sound [ALSA] version 1.0.15 2007-10-16 16:57:46 +02:00
video pm2fb: hardware cursor support for the Permedia2 2007-10-16 09:43:18 -07:00
xen xen: fix incorrect vcpu_register_vcpu_info hypercall argument 2007-10-16 11:51:31 -07:00
Kbuild do not export /usr/include/scsi in make headers_install 2007-10-17 08:42:52 -07:00