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android_kernel_motorola_sm6375/include/asm-mips
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Filename Latest commit message Latest commit date
Martin Schwidefsky ef6edc9746 [PATCH] Directed yield: cpu_relax variants for spinlocks and rw-locks 
On systems running with virtual cpus there is optimization potential in
regard to spinlocks and rw-locks.  If the virtual cpu that has taken a lock
is known to a cpu that wants to acquire the same lock it is beneficial to
yield the timeslice of the virtual cpu in favour of the cpu that has the
lock (directed yield).

With CONFIG_PREEMPT="n" this can be implemented by the architecture without
common code changes.  Powerpc already does this.

With CONFIG_PREEMPT="y" the lock loops are coded with _raw_spin_trylock,
_raw_read_trylock and _raw_write_trylock in kernel/spinlock.c.  If the lock
could not be taken cpu_relax is called.  A directed yield is not possible
because cpu_relax doesn't know anything about the lock.  To be able to
yield the lock in favour of the current lock holder variants of cpu_relax
for spinlocks and rw-locks are needed.  The new _raw_spin_relax,
_raw_read_relax and _raw_write_relax primitives differ from cpu_relax
insofar that they have an argument: a pointer to the lock structure.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01 00:39:21 -07:00
..
arc Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ddb5xxx Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
dec Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
emma2rh [MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board 2006-06-19 17:39:26 +01:00
galileo-boards [MIPS] Remove EV96100 as previously announced. 2006-09-27 13:37:55 +01:00
ip32 Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
it8172
jmr3927 Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
lasat
mach-atlas [MIPS] Atlas: update interrupt handling 2006-09-27 13:37:42 +01:00
mach-au1x00 [PATCH] Alchemy: Delete unused pt_regs * argument from au1xxx_dbdma_chan_alloc 2006-09-26 08:48:54 -07:00
mach-cobalt [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-db1x00 [PATCH] Au1550/1200: add missing PSC #define's, make OSS driver use the proper ones 2006-06-23 07:42:56 -07:00
mach-dec [PATCH] char/rtc: Handle memory-mapped chips properly 2006-07-10 13:24:25 -07:00
mach-emma2rh [MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board 2006-06-19 17:39:26 +01:00
mach-ev64120
mach-excite [MIPS] s/__ASSEMBLER__/__ASSEMBLY__/ for clarity sake. 2006-09-27 13:37:57 +01:00
mach-generic [PATCH] irq-flags: MIPS: Use the new IRQF_ constants 2006-07-02 13:58:47 -07:00
mach-ip22 Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
mach-ip27 [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-ip32 Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
mach-ja [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-jazz [PATCH] irq-flags: MIPS: Use the new IRQF_ constants 2006-07-02 13:58:47 -07:00
mach-jmr3927 [MIPS] JMR3927 build fixes for the RTC code. 2006-04-19 04:14:20 +02:00
mach-lasat
mach-mips [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-ocelot
mach-ocelot3 [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-pb1x00 Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
mach-pnx8550
mach-qemu [MIPS] Qemu does not have D-cache aliases 2006-09-27 13:37:49 +01:00
mach-rm200 [MIPS] Fix R4K cache macro names 2006-06-19 17:39:26 +01:00
mach-sibyte [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-sim [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mach-wrppmc [MIPS] Wind River 4KC PPMC Eval Board Support 2006-06-19 17:39:18 +01:00
mach-yosemite [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
mips-boards [MIPS] Atlas: update interrupt handling 2006-09-27 13:37:42 +01:00
pci [MIPS] SN: include asm/sn/types.h for nasid_t. 2006-06-19 17:39:24 +01:00
sgi
sibyte [MIPS] s/__ASSEMBLER__/__ASSEMBLY__/ for clarity sake. 2006-09-27 13:37:57 +01:00
sn [MIPS] Remove BSD and Sys V compat data types. 2006-06-29 21:10:54 +01:00
tx4927 Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
tx4938
vr41xx [MIPS] vr41xx: Update workpad setup function 2006-07-13 21:26:21 +01:00
xtalk
8253pit.h
a.out.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
abi.h [MIPS] Make do_signal return void. 2006-02-08 17:52:25 +00:00
addrspace.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
apm.h [MIPS] Don't include obsolete <linux/config.h>. 2006-07-13 21:25:58 +01:00
asm.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
asmmacro-32.h [MIPS] Fix fpu_save_double on 64-bit. 2006-06-19 17:39:13 +01:00
asmmacro-64.h [MIPS] Fix fpu_save_double on 64-bit. 2006-06-19 17:39:13 +01:00
asmmacro.h [MIPS] Fix use of ehb instruction for non-R2 configurations. 2006-06-29 21:10:49 +01:00
atomic.h [MIPS] TRACE_IRQFLAGS_SUPPORT support. 2006-07-13 21:26:09 +01:00
auxvec.h
bcache.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
bitops.h [MIPS] TRACE_IRQFLAGS_SUPPORT support. 2006-07-13 21:26:09 +01:00
bootinfo.h [MIPS] Remove EV96100 as previously announced. 2006-09-27 13:37:55 +01:00
branch.h
break.h
bug.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
bugs.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
byteorder.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
cache.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
cachectl.h
cacheflush.h [MIPS] Retire flush_icache_page from mm use. 2006-09-27 13:37:34 +01:00
cacheops.h
checksum.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
compat.h [PATCH] N32 sigset and __COMPAT_ENDIAN_SWAP__ 2006-06-25 10:01:15 -07:00
compiler.h
cpu-features.h [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
cpu-info.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
cpu.h [MIPS] Use the proper technical term for naming some of the cache macros. 2006-07-13 21:26:04 +01:00
cputime.h
current.h
debug.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
delay.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
div64.h
dma-mapping.h
dma.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ds1286.h
ds1742.h [MIPS] JMR3927 build fixes for the RTC code. 2006-04-19 04:14:20 +02:00
dsp.h MIPS: DSP: Set all register masks to 0x3ff. 2006-01-10 13:39:04 +00:00
elf.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
emergency-restart.h
errno.h Delete duplicate definitions. 2005-11-07 18:05:40 +00:00
fcntl.h [MIPS] Remove F_SETSIG and F_GETSIG in favor of the asm-generic definitions. 2006-09-27 13:37:48 +01:00
fixmap.h [MIPS] Fix FIXADDR_TOP for TX39/TX49. 2006-06-29 21:10:52 +01:00
floppy.h
fpregdef.h
fpu.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
fpu_emulator.h [MIPS] Unify mips_fpu_soft_struct and mips_fpu_hard_structs. 2006-06-19 17:39:18 +01:00
futex.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
gdb-stub.h
gfx.h
gt64120.h
gt64240.h
hardirq.h
hazards.h [MIPS] s/__ASSEMBLER__/__ASSEMBLY__/ for clarity sake. 2006-09-27 13:37:57 +01:00
highmem.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
hw_irq.h [PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend() 2006-06-29 10:26:23 -07:00
i8259.h
ide.h
inst.h [MIPS] Fix rdhwr_op definition. 2006-07-13 21:26:08 +01:00
inventory.h
io.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ioctl.h
ioctls.h
ipc.h
ipcbuf.h
irq.h [MIPS] Cleanup leftovers of ARCH_HAS_IRQ_PER_CPU 2006-09-27 13:37:29 +01:00
irq_cpu.h
irqflags.h [MIPS] TRACE_IRQFLAGS_SUPPORT support. 2006-07-13 21:26:09 +01:00
isadep.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
it8712.h
jazz.h
jazzdma.h
Kbuild [MIPS] Have headers_install install <asm/cachectl.h> and <asm/sysmips.h>. 2006-09-27 13:37:56 +01:00
kmap_types.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
kspd.h [MIPS] kpsd and other AP/SP improvements. 2006-04-19 04:14:27 +02:00
linkage.h [PATCH] abstract type/size specification for assembly 2006-03-24 07:33:25 -08:00
local.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
m48t35.h
m48t37.h
marvell.h [MIPS] MV6434x: Add prototype of interrupt dispatch function. 2006-04-19 04:14:20 +02:00
mc146818-time.h [PATCH] RTC: Remove RTC UIP synchronization on MIPS MC146818 2006-03-28 09:16:00 -08:00
mc146818rtc.h
mips_mt.h [MIPS] MT: Improved multithreading support. 2006-04-19 04:14:28 +02:00
mipsmtregs.h [MIPS] MT: Improved multithreading support. 2006-04-19 04:14:28 +02:00
mipsprom.h
mipsregs.h [MIPS] vr41xx: Replace magic number for P4K bit with symbol. 2006-07-13 21:26:11 +01:00
mman.h [PATCH] add asm-generic/mman.h 2006-02-15 15:32:22 -08:00
mmu.h
mmu_context.h [MIPS] Reformat missformated SMTC bits. 2006-09-27 13:37:49 +01:00
mmzone.h [PATCH] Delete unused definitions of kvaddr_to_nid 2006-06-23 07:42:52 -07:00
module.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
msc01_ic.h
msgbuf.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
mutex.h [PATCH] mutex subsystem, add default include/asm-*/mutex.h files 2006-01-09 15:59:19 -08:00
namei.h
nile4.h
paccess.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
page.h [MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte(). 2006-09-27 13:37:39 +01:00
param.h [MIPS] Make timer interrupt frequency configurable from kconfig. 2006-06-19 17:39:27 +01:00
parport.h
pci.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
percpu.h
pgalloc.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
pgtable-32.h [PATCH] Standardize pxx_page macros 2006-09-26 08:48:51 -07:00
pgtable-64.h [MIPS] Fix USER_PTRS_PER_PGD for 64K page size. 2006-09-27 13:37:52 +01:00
pgtable-bits.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
pgtable.h [PATCH] Standardize pxx_page macros 2006-09-26 08:48:51 -07:00
pmon.h
poll.h [PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications 2006-03-25 08:22:56 -08:00
posix_types.h
prctl.h
prefetch.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
processor.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
ptrace.h [MIPS] Fix errors detected by "make headers_check" 2006-09-27 13:37:40 +01:00
qemu.h [MIPS] Qemu system shutdown support 2006-06-19 17:39:19 +01:00
r4kcache.h [MIPS] MT: Improved multithreading support. 2006-04-19 04:14:28 +02:00
reboot.h [MIPS] Rename _machine_power_off to pm_power_off so the kernel builds again. 2006-02-07 13:30:22 +00:00
reg.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
regdef.h
resource.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
rm9k-ocd.h [MIPS] Support for the RM9000-based Basler eXcite smart camera platform. 2006-06-19 17:39:26 +01:00
rtc.h [MIPS] Fix genrtc compilation. 2006-04-19 04:14:22 +02:00
rtlx.h [MIPS] kpsd and other AP/SP improvements. 2006-04-19 04:14:27 +02:00
scatterlist.h
sections.h
segment.h
semaphore.h
sembuf.h
serial.h [MIPS] Remove EV96100 as previously announced. 2006-09-27 13:37:55 +01:00
setup.h
sgialib.h
sgiarcs.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
sgidefs.h
shmbuf.h
shmparam.h
sigcontext.h [MIPS] Update struct sigcontext member names 2006-06-01 00:28:31 +01:00
siginfo.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
signal.h [MIPS] Move definition of IRIX compat constant into IRIX compat code. 2006-09-27 13:37:45 +01:00
sim.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
smp.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
smtc.h [MIPS] MT: Improved multithreading support. 2006-04-19 04:14:28 +02:00
smtc_ipi.h [MIPS] MT: Improved multithreading support. 2006-04-19 04:14:28 +02:00
smtc_proc.h [MIPS] MT: Improved multithreading support. 2006-04-19 04:14:28 +02:00
sni.h [MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors. 2006-06-19 17:39:24 +01:00
socket.h [AF_UNIX]: Datagram getpeersec 2006-06-29 16:58:06 -07:00
sockios.h
sparsemem.h [MIPS] Fix sparsemem support. 2006-06-06 00:15:20 +01:00
spinlock.h [PATCH] Directed yield: cpu_relax variants for spinlocks and rw-locks 2006-10-01 00:39:21 -07:00
spinlock_types.h
stackframe.h [MIPS] Fix use of ehb instruction for non-R2 configurations. 2006-06-29 21:10:49 +01:00
stat.h
statfs.h
string.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
suspend.h
sysmips.h
system.h [PATCH] remove set_wmb - arch removal 2006-07-14 21:56:14 -07:00
termbits.h It's UTF-8 2006-03-22 00:13:35 +01:00
termios.h
thread_info.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
time.h [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
timex.h [MIPS] Fix errors detected by "make headers_check" 2006-09-27 13:37:40 +01:00
titan_dep.h
tlb.h
tlbdebug.h
tlbflush.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
topology.h
traps.h
tx3912.h
types.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
uaccess.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
ucontext.h
unaligned.h
unistd.h [MIPS] fstatat syscall names 2006-09-27 13:37:56 +01:00
user.h [MIPS] Fix errors detected by "make headers_check" 2006-09-27 13:37:40 +01:00
vga.h [PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use 2006-06-22 15:05:58 -07:00
vpe.h [MIPS] kpsd and other AP/SP improvements. 2006-04-19 04:14:27 +02:00
war.h Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
watch.h
wbflush.h Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
xor.h
xxs1500.h