aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kernel/tsc_64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/tsc_64.c')
-rw-r--r--arch/x86/kernel/tsc_64.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index 322b38c6819..c62f3b6eacc 100644
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -273,15 +273,8 @@ __cpuinit int unsynchronized_tsc(void)
return 1;
#endif
- if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) {
-#ifdef CONFIG_ACPI
- /* But TSC doesn't tick in C3 so don't use it there */
- if (acpi_gbl_FADT.header.length > 0 &&
- acpi_gbl_FADT.C3latency < 1000)
- return 1;
-#endif
+ if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
return 0;
- }
/* Assume multi socket systems are not synchronized */
return num_present_cpus() > 1;