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| author | Wanpeng Li <wanpengli@tencent.com> | 2021-11-05 00:20:51 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-11-11 13:09:34 +0100 |
| commit | 0fe39a3929ac7af980347814d552a734b51adacf (patch) | |
| tree | 38f2d76d8e3220622b11e4956480885c4fd04fe1 /kernel | |
| parent | debe436e77c72fcee804fb867f275e6d31aa999c (diff) | |
| download | lwn-0fe39a3929ac7af980347814d552a734b51adacf.tar.gz lwn-0fe39a3929ac7af980347814d552a734b51adacf.zip | |
perf/x86/lbr: Reset LBR_SELECT during vlbr reset
lbr_select in kvm guest has residual data even if kvm guest is poweroff.
We can get residual data in the next boot. Because lbr_select is not
reset during kvm vlbr release. Let's reset LBR_SELECT during vlbr reset.
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1636096851-36623-1-git-send-email-wanpengli@tencent.com
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions