Unverified Commit fa30d756 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4489 【OLK-6.6】AMD: fix brstack event for AMD Zen CPU 

Merge Pull Request from: @kile2009 
 
backport the patch from mainline to fix perf events with brstack

https://lore.kernel.org/all/170133376457.398.10426693252022090421.tip-bot2@tip-bot2/

https://gitee.com/openeuler/kernel/issues/I9176T 
 
Link:https://gitee.com/openeuler/kernel/pulls/4489

 

Reviewed-by: default avatarJason Zeng <jason.zeng@intel.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents da054591 c6c40002

arch/x86/events/amd/ibs.c

+3 −0
Original line number Diff line number Diff line
@@ -287,6 +287,9 @@ static int perf_ibs_init(struct perf_event *event) 
	if (config & ~perf_ibs->config_mask)

		return -EINVAL;



	if (has_branch_stack(event))

		return -EOPNOTSUPP;



	ret = validate_group(event);

	if (ret)

		return ret;