diff options
| author | Jacob Pan <jacob.jun.pan@intel.com> | 2011-11-10 13:42:40 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-11-10 16:20:57 +0100 |
| commit | 1ade93efd0a3dda5b0c0afda8ab8f4bd12938c1b (patch) | |
| tree | 616a2c11fb460b0a872486eb89c30f7884ff33e2 /arch/x86/include | |
| parent | bb84ac2d3a603f8f6c7cc553a260e8ceaf871df2 (diff) | |
x86/apic: Allow use of lapic timer early calibration result
lapic timer calibration can be combined with tsc in platform
specific calibration functions. if such calibration result is
obtained early, we can skip the redundant calibration loops.
Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 9b7273cb219..1a6c09af048 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -49,6 +49,7 @@ extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; extern int disable_apic; +extern unsigned int lapic_timer_frequency; #ifdef CONFIG_SMP extern void __inquire_remote_apic(int apicid); |