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| author |   Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/powerpc/kernel/process.c | |
| parent | uprobes/core: Optimize probe hits with the help of a counter (diff) | |
| parent | Merge tag 'v3.4-rc2' into perf/core (diff) | |
| download | linux-dev-6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e.tar.xz linux-dev-6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e.zip | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d817ab018486..f88698c0f332 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -41,14 +41,16 @@ #include <asm/pgtable.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/processor.h> #include <asm/mmu.h> #include <asm/prom.h> #include <asm/machdep.h> #include <asm/time.h> +#include <asm/runlatch.h> #include <asm/syscalls.h> +#include <asm/switch_to.h> +#include <asm/debug.h> #ifdef CONFIG_PPC64 #include <asm/firmware.h> #endif @@ -647,6 +649,9 @@ void show_regs(struct pt_regs * regs) printk("MSR: "REG" ", regs->msr); printbits(regs->msr, msr_bits); printk(" CR: %08lx XER: %08lx\n", regs->ccr, regs->xer); +#ifdef CONFIG_PPC64 + printk("SOFTE: %ld\n", regs->softe); +#endif trap = TRAP(regs); if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) printk("CFAR: "REG"\n", regs->orig_gpr3); @@ -1220,34 +1225,32 @@ 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 |