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| author | Ingo Molnar <mingo@kernel.org> | 2025-03-08 00:54:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-03-08 00:54:06 +0100 |
| commit | f23ecef20af6fbd489e0362d33cdf8d9429fa901 (patch) | |
| tree | 713f06d8335b7c3388bbfbc46cb6d2a568951252 /drivers/idle/intel_idle.c | |
| parent | c929d08df8bee855528b9d15b853c892c54e1eee (diff) | |
| parent | 85b2b9c16d053364e2004883140538e73b333cdb (diff) | |
Merge branch 'locking/urgent' into locking/core, to pick up locking fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/idle/intel_idle.c')
| -rw-r--r-- | drivers/idle/intel_idle.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 118fe1d37c22..0fdb1d1316c4 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -56,6 +56,7 @@ #include <asm/intel-family.h> #include <asm/mwait.h> #include <asm/spec-ctrl.h> +#include <asm/tsc.h> #include <asm/fpu/api.h> #define INTEL_IDLE_VERSION "0.5.1" @@ -1799,6 +1800,9 @@ static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) if (intel_idle_state_needs_timer_stop(state)) state->flags |= CPUIDLE_FLAG_TIMER_STOP; + if (cx->type > ACPI_STATE_C1 && !boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) + mark_tsc_unstable("TSC halts in idle"); + state->enter = intel_idle; state->enter_s2idle = intel_idle_s2idle; } |