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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 08:52:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 08:52:18 -0800 |
| commit | b05005772f34497eb2b7415a651fe785cbe70e16 (patch) | |
| tree | b176aeb7fa9baf69e77ddd83e844727490bfcf28 /arch/powerpc/kernel/process.c | |
| parent | 044f324f6ea5d55391db62fca6a295b2651cb946 (diff) | |
| parent | 7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff) | |
| download | kernel-crypto-b05005772f34497eb2b7415a651fe785cbe70e16.tar.gz kernel-crypto-b05005772f34497eb2b7415a651fe785cbe70e16.tar.xz kernel-crypto-b05005772f34497eb2b7415a651fe785cbe70e16.zip | |
Merge branch 'origin'
Conflicts:
Documentation/video4linux/CARDLIST.cx88
drivers/media/video/cx88/Kconfig
drivers/media/video/em28xx/em28xx-video.c
drivers/media/video/saa7134/saa7134-dvb.c
Resolved as in the original merge by Mauro Carvalho Chehab
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 57703994a06..c225cf154bf 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -888,3 +888,35 @@ void dump_stack(void) show_stack(current, NULL); } EXPORT_SYMBOL(dump_stack); + +#ifdef CONFIG_PPC64 +void ppc64_runlatch_on(void) +{ + unsigned long ctrl; + + if (cpu_has_feature(CPU_FTR_CTRL) && !test_thread_flag(TIF_RUNLATCH)) { + HMT_medium(); + + ctrl = mfspr(SPRN_CTRLF); + ctrl |= CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); + + set_thread_flag(TIF_RUNLATCH); + } +} + +void ppc64_runlatch_off(void) +{ + unsigned long ctrl; + + if (cpu_has_feature(CPU_FTR_CTRL) && test_thread_flag(TIF_RUNLATCH)) { + HMT_medium(); + + clear_thread_flag(TIF_RUNLATCH); + + ctrl = mfspr(SPRN_CTRLF); + ctrl &= ~CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); + } +} +#endif |