This is a note to let you know that I've just added the patch titled perf/x86/intel/uncore: Fix IIO event constraints for Skylake Server to the 5.10-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-intel-uncore-fix-iio-event-constraints-for-.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 3a76f918e202b193d3797d82e3141a5c1fa9a947 Author: Alexander Antonov <alexander.antonov@xxxxxxxxxxxxxxx> Date: Mon Nov 15 12:03:33 2021 +0300 perf/x86/intel/uncore: Fix IIO event constraints for Skylake Server [ Upstream commit 3866ae319c846a612109c008f43cba80b8c15e86 ] According to the latest uncore document, COMP_BUF_OCCUPANCY (0xd5) event can be collected on 2-3 counters. Update uncore IIO event constraints for Skylake Server. Fixes: cd34cd97b7b4 ("perf/x86/intel/uncore: Add Skylake server uncore support") Signed-off-by: Alexander Antonov <alexander.antonov@xxxxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211115090334.3789-3-alexander.antonov@xxxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 229884f4134cb..ba26792d96731 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3615,6 +3615,7 @@ static struct event_constraint skx_uncore_iio_constraints[] = { UNCORE_EVENT_CONSTRAINT(0xc0, 0xc), UNCORE_EVENT_CONSTRAINT(0xc5, 0xc), UNCORE_EVENT_CONSTRAINT(0xd4, 0xc), + UNCORE_EVENT_CONSTRAINT(0xd5, 0xc), EVENT_CONSTRAINT_END };