6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Robin Murphy robin.murphy@arm.com
commit 11b0f576e0cbde6a12258f2af6753b17b8df342b upstream.
Somehow the encodings for REQ2/SNP2 channels in XP events got mixed up... Unmix them.
CC: stable@vger.kernel.org Fixes: 23760a014417 ("perf/arm-cmn: Add CMN-700 support") Signed-off-by: Robin Murphy robin.murphy@arm.com Link: https://lore.kernel.org/r/087023e9737ac93d7ec7a841da904758c254cb01.174671740... Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/perf/arm-cmn.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -684,8 +684,8 @@ static umode_t arm_cmn_event_attr_is_vis
if ((chan == 5 && cmn->rsp_vc_num < 2) || (chan == 6 && cmn->dat_vc_num < 2) || - (chan == 7 && cmn->snp_vc_num < 2) || - (chan == 8 && cmn->req_vc_num < 2)) + (chan == 7 && cmn->req_vc_num < 2) || + (chan == 8 && cmn->snp_vc_num < 2)) return 0; }
@@ -841,8 +841,8 @@ static umode_t arm_cmn_event_attr_is_vis _CMN_EVENT_XP(pub_##_name, (_event) | (4 << 5)), \ _CMN_EVENT_XP(rsp2_##_name, (_event) | (5 << 5)), \ _CMN_EVENT_XP(dat2_##_name, (_event) | (6 << 5)), \ - _CMN_EVENT_XP(snp2_##_name, (_event) | (7 << 5)), \ - _CMN_EVENT_XP(req2_##_name, (_event) | (8 << 5)) + _CMN_EVENT_XP(req2_##_name, (_event) | (7 << 5)), \ + _CMN_EVENT_XP(snp2_##_name, (_event) | (8 << 5))
#define CMN_EVENT_XP_DAT(_name, _event) \ _CMN_EVENT_XP_PORT(dat_##_name, (_event) | (3 << 5)), \