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android_kernel_motorola_sm6375/include
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Filename Latest commit message Latest commit date
Martin Schwidefsky 951f22d5b1 [PATCH] s390: spin lock retry 
Split spin lock and r/w lock implementation into a single try which is done
inline and an out of line function that repeatedly tries to get the lock
before doing the cpu_relax().  Add a system control to set the number of
retries before a cpu is yielded.

The reason for the spin lock retry is that the diagnose 0x44 that is used to
give up the virtual cpu is quite expensive.  For spin locks that are held only
for a short period of time the costs of the diagnoses outweights the savings
for spin locks that are held for a longer timer.  The default retry count is
1000.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27 16:26:04 -07:00
..
acpi [ACPI] merge acpi-2.6.12 branch into latest Linux 2.6.13-rc... 2005-07-12 17:21:56 -04:00
asm-alpha [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-arm Merge master.kernel.org:/home/rmk/linux-2.6-arm 2005-07-26 15:13:26 -07:00
asm-arm26 [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-cris [PATCH] CRIS update: new subarchitecture v32 2005-07-27 16:26:01 -07:00
asm-frv [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-generic [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-h8300 [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-i386 [PATCH] user_mode_vm() build fix 2005-07-27 16:25:47 -07:00
asm-ia64 [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-m32r [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-m68k [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-m68knommu [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-mips [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-parisc [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-ppc [PATCH] ppc32: fix dma_map_page() to use page_to_bus() 2005-07-27 16:25:56 -07:00
asm-ppc64 [PATCH] ppc64: remove another fixed address constraint 2005-07-27 16:25:58 -07:00
asm-s390 [PATCH] s390: spin lock retry 2005-07-27 16:26:04 -07:00
asm-sh [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-sh64 [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-sparc [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-sparc64 [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-um [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
asm-v850 [PATCH] v850: Define L1_CACHE_SHIFT and L1_CACHE_SHIFT_MAX 2005-07-27 16:26:03 -07:00
asm-x86_64 [PATCH] x86_64: Implemenent machine_emergency_restart 2005-07-26 14:35:42 -07:00
asm-xtensa [PATCH] Add emergency_restart() 2005-07-26 14:35:41 -07:00
linux [PATCH] s390: spin lock retry 2005-07-27 16:26:04 -07:00
math-emu
media [PATCH] v4l: I2C Tuner 2005-07-12 16:01:06 -07:00
mtd
net [NET]: Make ipip/ip6_tunnel independant of XFRM 2005-07-19 14:03:34 -07:00
pcmcia [PATCH] pcmcia: fix pcmcia-cs compilation 2005-07-12 16:00:59 -07:00
rxrpc
scsi [SCSI] fix function prototype warning 2005-07-14 11:54:17 -05:00
sound [PATCH] create a kstrdup library function 2005-06-23 09:45:18 -07:00
video