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Diffstat (limited to 'arch/x86/kernel/cpu/proc.c')
-rw-r--r--arch/x86/kernel/cpu/proc.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index 218f79825b3c..4378a729b933 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -1,7 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/smp.h>
#include <linux/timex.h>
#include <linux/string.h>
#include <linux/seq_file.h>
+#include <linux/cpufreq.h>
/*
* Get CPU information for use by the procfs.
@@ -75,9 +77,16 @@ static int show_cpuinfo(struct seq_file *m, void *v)
if (c->microcode)
seq_printf(m, "microcode\t: 0x%x\n", c->microcode);
- if (cpu_has(c, X86_FEATURE_TSC))
+ if (cpu_has(c, X86_FEATURE_TSC)) {
+ unsigned int freq = arch_freq_get_on_cpu(cpu);
+
+ if (!freq)
+ freq = cpufreq_quick_get(cpu);
+ if (!freq)
+ freq = cpu_khz;
seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
- cpu_khz / 1000, (cpu_khz % 1000));
+ freq / 1000, (freq % 1000));
+ }
/* Cache size */
if (c->x86_cache_size >= 0)