diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-12 23:04:07 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-12 23:04:07 +0200 |
| commit | fb79d22e1d4b06385796cc0db0084a2e07beccee (patch) | |
| tree | f62b850b9b8ee1b7a4264b29e30fd7c360e23c94 /arch/x86/kernel/apic_64.c | |
| parent | 4e77ae3e105d28aa9410585715d83818f0abe871 (diff) | |
x86: disable apic timer for AMD C1E enabled CPUs
AMDs C1E enabled CPUs stop the local apic timer, when both cores are
idle. This is a hardware feature which breaks highres/dynticks.
Add the same quirk as we have for 32 bit already.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/apic_64.c')
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index b0237caff71..118830cba1a 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -44,7 +44,7 @@ int apic_verbosity; int apic_runs_main_timer; int apic_calibrate_pmtmr __initdata; -int disable_apic_timer __initdata; +int disable_apic_timer __cpuinitdata; /* Local APIC timer works in C2? */ int local_apic_timer_c2_ok; |