[PATCH] x86-64: fix cpu MHz reporting on constant_tsc cpus
This patch fixes the reporting of cpu_mhz in /proc/cpuinfo on CPUs with
a constant TSC rate and a kernel with disabled cpufreq.
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Andi Kleen <ak@suse.de>
arch/x86_64/kernel/apic.c | 2 -
arch/x86_64/kernel/time.c | 58 +++++++++++++++++++++++++++++++++++++++---
arch/x86_64/kernel/tsc.c | 12 +++++---
arch/x86_64/kernel/tsc_sync.c | 2 -
include/asm-x86_64/proto.h | 1
5 files changed, 65 insertions(+), 10 deletions(-)
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index f64949f..7842702 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -92,6 +92,7 @@
extern int exception_trace;
extern unsigned cpu_khz;
+extern unsigned tsc_khz;
extern void no_iommu_init(void);
extern int force_iommu, no_iommu;