Commit 5332e38f authored by Jim Mattson's avatar Jim Mattson Committed by Zheng Zengkai
Browse files

KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW

stable inclusion
from stable-v5.10.102
commit fb00319afb72be8f7b2661b91293f005af00d775
bugzilla: https://gitee.com/openeuler/kernel/issues/I567K6

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=fb00319afb72be8f7b2661b91293f005af00d775



--------------------------------

[ Upstream commit 710c4765 ]

AMD's event select is 3 nybbles, with the high nybble in bits 35:32 of
a PerfEvtSeln MSR. Don't mask off the high nybble when configuring a
RAW perf event.

Fixes: ca724305 ("KVM: x86/vPMU: Implement AMD vPMU code for KVM")
Signed-off-by: default avatarJim Mattson <jmattson@google.com>
Message-Id: <20220203014813.2130559-2-jmattson@google.com>
Reviewed-by: default avatarDavid Dunn <daviddunn@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarYu Liao <liaoyu15@huawei.com>
Reviewed-by: default avatarWei Li <liwei391@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 35ba18ce
Loading
Loading
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Please to comment