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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-26 22:25:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-26 22:25:47 +0200 |
| commit | a048d3aff8b828b6c0fa7ddd90a531248ab4e0f9 (patch) | |
| tree | 8edfb5bd152aef0d48c4a165247906db347c3a56 /drivers/acpi | |
| parent | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
| parent | ftrace: fix modular build (diff) | |
| download | linux-a048d3aff8b828b6c0fa7ddd90a531248ab4e0f9.tar.xz linux-a048d3aff8b828b6c0fa7ddd90a531248ab4e0f9.zip | |
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
ftrace: fix modular build
ftrace: disable tracing on acpi idle calls
ftrace: remove latency-tracer leftover
ftrace: only trace preempt off with preempt tracer
ftrace: fix 4d3702b6 (post-v2.6.26): WARNING: at kernel/lockdep.c:2731 check_flags (ftrace)
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index d592dbb1d12a..b7f2963693a7 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -272,6 +272,8 @@ static atomic_t c3_cpu_count; /* Common C-state entry for C2, C3, .. */ static void acpi_cstate_enter(struct acpi_processor_cx *cstate) { + /* Don't trace irqs off for idle */ + stop_critical_timings(); if (cstate->entry_method == ACPI_CSTATE_FFH) { /* Call into architectural FFH based C-state */ acpi_processor_ffh_cstate_enter(cstate); @@ -284,6 +286,7 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate) gets asserted in time to freeze execution properly. */ unused = inl(acpi_gbl_FADT.xpm_timer_block.address); } + start_critical_timings(); } #endif /* !CONFIG_CPU_IDLE */ @@ -1418,6 +1421,8 @@ static inline void acpi_idle_update_bm_rld(struct acpi_processor *pr, */ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx) { + /* Don't trace irqs off for idle */ + stop_critical_timings(); if (cx->entry_method == ACPI_CSTATE_FFH) { /* Call into architectural FFH based C-state */ acpi_processor_ffh_cstate_enter(cx); @@ -1432,6 +1437,7 @@ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx) gets asserted in time to freeze execution properly. */ unused = inl(acpi_gbl_FADT.xpm_timer_block.address); } + start_critical_timings(); } /** |