diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2020-11-30 14:54:34 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-12-03 12:00:23 +0300 |
| commit | 4d916140bf28ff027997144ea1bb4299e1536f87 (patch) | |
| tree | c0f4a0c401e793891e544958ec9f9a61d98006f2 /drivers/idle | |
| parent | 6e1d2bc675bd57640f5658a4a657ae488db4c204 (diff) | |
| download | linux-4d916140bf28ff027997144ea1bb4299e1536f87.tar.xz | |
intel_idle: Build fix
Because CONFIG_ soup.
Fixes: 6e1d2bc675bd ("intel_idle: Fix intel_idle() vs tracing")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201130115402.GO3040@hirez.programming.kicks-ass.net
Diffstat (limited to 'drivers/idle')
| -rw-r--r-- | drivers/idle/intel_idle.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 7ee7ffe22ae3..d79335506ecd 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1140,6 +1140,20 @@ static bool __init intel_idle_max_cstate_reached(int cstate) return false; } +static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state) +{ + unsigned long eax = flg2MWAIT(state->flags); + + if (boot_cpu_has(X86_FEATURE_ARAT)) + return false; + + /* + * Switch over to one-shot tick broadcast if the target C-state + * is deeper than C1. + */ + return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK); +} + #ifdef CONFIG_ACPI_PROCESSOR_CSTATE #include <acpi/processor.h> @@ -1210,20 +1224,6 @@ static bool __init intel_idle_acpi_cst_extract(void) return false; } -static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state) -{ - unsigned long eax = flg2MWAIT(state->flags); - - if (boot_cpu_has(X86_FEATURE_ARAT)) - return false; - - /* - * Switch over to one-shot tick broadcast if the target C-state - * is deeper than C1. - */ - return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK); -} - static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) { int cstate, limit = min_t(int, CPUIDLE_STATE_MAX, acpi_state_table.count); |