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-rw-r--r--arch/x86/kernel/microcode_core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index 4873e62db6a..9e5bcf1e237 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -225,6 +225,9 @@ static ssize_t microcode_write(struct file *file, const char __user *buf,
if (do_microcode_update(buf, len) == 0)
ret = (ssize_t)len;
+ if (ret > 0)
+ perf_check_microcode();
+
mutex_unlock(&microcode_mutex);
put_online_cpus();