This is a note to let you know that I've just added the patch titled perf/x86/msr: Add Sapphire Rapids CPU support to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: perf-x86-msr-add-sapphire-rapids-cpu-support.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 3d30736eb3683a8309b53be1667778a86ddf04a5 Author: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> Date: Wed Oct 6 13:12:17 2021 -0700 perf/x86/msr: Add Sapphire Rapids CPU support [ Upstream commit 71920ea97d6d1d800ee8b51951dc3fda3f5dc698 ] SMI_COUNT MSR is supported on Sapphire Rapids CPU. Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/1633551137-192083-1-git-send-email-kan.liang@xxxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c index c853b28efa33..96c775abe31f 100644 --- a/arch/x86/events/msr.c +++ b/arch/x86/events/msr.c @@ -68,6 +68,7 @@ static bool test_intel(int idx, void *data) case INTEL_FAM6_BROADWELL_D: case INTEL_FAM6_BROADWELL_G: case INTEL_FAM6_BROADWELL_X: + case INTEL_FAM6_SAPPHIRERAPIDS_X: case INTEL_FAM6_ATOM_SILVERMONT: case INTEL_FAM6_ATOM_SILVERMONT_D: