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-rw-r--r--arch/x86/power/cpu.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index 6665f8802098..a63c7fe70147 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -40,7 +40,8 @@ static void msr_save_context(struct saved_context *ctxt)
struct saved_msr *end = msr + ctxt->saved_msrs.num;
while (msr < end) {
- msr->valid = !rdmsrl_safe(msr->info.msr_no, &msr->info.reg.q);
+ if (msr->valid)
+ rdmsrl(msr->info.msr_no, msr->info.reg.q);
msr++;
}
}
@@ -424,8 +425,10 @@ static int msr_build_context(const u32 *msr_id, const int num)
}
for (i = saved_msrs->num, j = 0; i < total_num; i++, j++) {
+ u64 dummy;
+
msr_array[i].info.msr_no = msr_id[j];
- msr_array[i].valid = false;
+ msr_array[i].valid = !rdmsrl_safe(msr_id[j], &dummy);
msr_array[i].info.reg.q = 0;
}
saved_msrs->num = total_num;