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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2026 03:35:44.1800 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 89fac29c-f62d-4050-034e-08de54b05486 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000044A4.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPFCAFD069B8 Content-Type: text/plain; charset="utf-8" Load latency filter threshold is encoded in config1[11:0]. Define a mask for it instead of hardcoded 0xFFF. Unlike "config" fields whose layout maps to PERF_{FETCH|OP}_CTL MSR, layout of "config1" is custom defined so a new set of macros are needed for "config1" fields. Signed-off-by: Ravi Bangoria Reviewed-by: Dapeng Mi --- arch/x86/events/amd/ibs.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c index 27b764eee6c7..02e7bffe1208 100644 --- a/arch/x86/events/amd/ibs.c +++ b/arch/x86/events/amd/ibs.c @@ -32,6 +32,9 @@ static u32 ibs_caps; /* attr.config2 */ #define IBS_SW_FILTER_MASK 1 =20 +/* attr.config1 */ +#define IBS_OP_CONFIG1_LDLAT_MASK (0xFFFULL << 0) + /* * IBS states: * @@ -274,7 +277,7 @@ static bool perf_ibs_ldlat_event(struct perf_ibs *perf_= ibs, { return perf_ibs =3D=3D &perf_ibs_op && (ibs_caps & IBS_CAPS_OPLDLAT) && - (event->attr.config1 & 0xFFF); + (event->attr.config1 & IBS_OP_CONFIG1_LDLAT_MASK); } =20 static int perf_ibs_init(struct perf_event *event) @@ -349,7 +352,7 @@ static int perf_ibs_init(struct perf_event *event) } =20 if (perf_ibs_ldlat_event(perf_ibs, event)) { - u64 ldlat =3D event->attr.config1 & 0xFFF; + u64 ldlat =3D event->attr.config1 & IBS_OP_CONFIG1_LDLAT_MASK; =20 if (ldlat < 128 || ldlat > 2048) return -EINVAL; @@ -1302,7 +1305,7 @@ static int perf_ibs_handle_irq(struct perf_ibs *perf_= ibs, struct pt_regs *iregs) * within [128, 2048] range. */ if (!op_data3.ld_op || !op_data3.dc_miss || - op_data3.dc_miss_lat <=3D (event->attr.config1 & 0xFFF)) { + op_data3.dc_miss_lat <=3D (event->attr.config1 & IBS_OP_CONFIG1_LDLA= T_MASK)) { throttle =3D perf_event_account_interrupt(event); goto out; } --=20 2.43.0