diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d817ab01848..bf80a1d5f8f 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1220,34 +1220,32 @@ void dump_stack(void) EXPORT_SYMBOL(dump_stack); #ifdef CONFIG_PPC64 -void ppc64_runlatch_on(void) +/* Called with hard IRQs off */ +void __ppc64_runlatch_on(void) { + struct thread_info *ti = current_thread_info(); 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); + ctrl = mfspr(SPRN_CTRLF); + ctrl |= CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); - set_thread_flag(TIF_RUNLATCH); - } + ti->local_flags |= TLF_RUNLATCH; } +/* Called with hard IRQs off */ void __ppc64_runlatch_off(void) { + struct thread_info *ti = current_thread_info(); unsigned long ctrl; - HMT_medium(); - - clear_thread_flag(TIF_RUNLATCH); + ti->local_flags &= ~TLF_RUNLATCH; ctrl = mfspr(SPRN_CTRLF); ctrl &= ~CTRL_RUNLATCH; mtspr(SPRN_CTRLT, ctrl); } -#endif +#endif /* CONFIG_PPC64 */ #if THREAD_SHIFT < PAGE_SHIFT |