Unverified Commit 008737a0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11512 x86/mtrr: Check if fixed MTRRs exist before saving them 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Y3HVQH62OPPA36OPZU5R4AH2HTIGR7JG/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAOXYQ 
 
Link:https://gitee.com/openeuler/kernel/pulls/11512

 

Reviewed-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents bf039567 72a34cd0

arch/x86/kernel/cpu/mtrr/mtrr.c

+1 −1
Original line number Diff line number Diff line
@@ -819,7 +819,7 @@ void mtrr_save_state(void) 
{

	int first_cpu;



	if (!mtrr_enabled())

	if (!mtrr_enabled() || !mtrr_state.have_fixed)

		return;



	first_cpu = cpumask_first(cpu_online_mask);