This is a note to let you know that I've just added the patch titled MIPS: perf: Fix wrong check condition of Loongson event IDs to the 5.8-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: mips-perf-fix-wrong-check-condition-of-loongson-even.patch and it can be found in the queue-5.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4de7c835a6bd26276db559f5118bff17f49cb678 Author: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> Date: Thu Aug 27 16:03:08 2020 +0800 MIPS: perf: Fix wrong check condition of Loongson event IDs [ Upstream commit a231995700c392c0807da95deea231b23fc51a3c ] According to the user's manual chapter 8.2.1 of Loongson 3A2000 CPU [1] and 3A3000 CPU [2], we should take some event IDs such as 274, 358, 359 and 360 as valid in the check condition, otherwise they are recognized as "not supported", fix it. [1] http://www.loongson.cn/uploadfile/cpu/3A2000/Loongson3A2000_user2.pdf [2] http://www.loongson.cn/uploadfile/cpu/3A3000/Loongson3A3000_3B3000user2.pdf Fixes: e9dfbaaeef1c ("MIPS: perf: Add hardware perf events support for new Loongson-3") Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> Acked-by: Huang Pei <huangpei@xxxxxxxxxxx> Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index efce5defcc5cf..011eb6bbf81a5 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1898,8 +1898,8 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) (base_id >= 64 && base_id < 90) || (base_id >= 128 && base_id < 164) || (base_id >= 192 && base_id < 200) || - (base_id >= 256 && base_id < 274) || - (base_id >= 320 && base_id < 358) || + (base_id >= 256 && base_id < 275) || + (base_id >= 320 && base_id < 361) || (base_id >= 384 && base_id < 574)) break;