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 4.19-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-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b5573f31c25ff2e5ccb12be1fa0af6667d3ad384
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 f6f5641c6299a..2bf1170f7afdb 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -3486,6 +3486,7 @@ 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
};
