linux-kernel - [PATCH] perf: CXL: fix mismatched cpmu event opcode

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Message-ID: <20240206094151epcms2p373ed7f50efa332765e14bff2b5a2abe2@epcms2p3>
Date: Tue, 06 Feb 2024 18:41:51 +0900
From: Hojin Nam <hj96.nam@...sung.com>
To: "linux-cxl@...r.kernel.org" <linux-cxl@...r.kernel.org>,
	"jonathan.cameron@...wei.com" <jonathan.cameron@...wei.com>
CC: Wonjae Lee <wj28.lee@...sung.com>, KyungSan Kim
	<ks0204.kim@...sung.com>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "will@...nel.org" <will@...nel.org>,
	"mark.rutland@....com" <mark.rutland@....com>
Subject: [PATCH] perf: CXL: fix mismatched cpmu event opcode

S2M NDR BI-ConflictAck opcode is described as 4 in the CXL
3.0 specification. However, it is defined as 3 in macro definition.

Signed-off-by: Hojin Nam <hj96.nam@...sung.com>
---
 drivers/perf/cxl_pmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/perf/cxl_pmu.c b/drivers/perf/cxl_pmu.c
index 365d964b0f6a..bc0d414a6aff 100644
--- a/drivers/perf/cxl_pmu.c
+++ b/drivers/perf/cxl_pmu.c
@@ -419,7 +419,7 @@ static struct attribute *cxl_pmu_event_attrs[] = {
        CXL_PMU_EVENT_CXL_ATTR(s2m_ndr_cmp,                     CXL_PMU_GID_S2M_NDR, BIT(0)),
        CXL_PMU_EVENT_CXL_ATTR(s2m_ndr_cmps,                    CXL_PMU_GID_S2M_NDR, BIT(1)),
        CXL_PMU_EVENT_CXL_ATTR(s2m_ndr_cmpe,                    CXL_PMU_GID_S2M_NDR, BIT(2)),
-       CXL_PMU_EVENT_CXL_ATTR(s2m_ndr_biconflictack,           CXL_PMU_GID_S2M_NDR, BIT(3)),
+       CXL_PMU_EVENT_CXL_ATTR(s2m_ndr_biconflictack,           CXL_PMU_GID_S2M_NDR, BIT(4)),
        /* CXL rev 3.0 Table 3-46 S2M DRS opcodes */
        CXL_PMU_EVENT_CXL_ATTR(s2m_drs_memdata,                 CXL_PMU_GID_S2M_DRS, BIT(0)),
        CXL_PMU_EVENT_CXL_ATTR(s2m_drs_memdatanxm,              CXL_PMU_GID_S2M_DRS, BIT(1)),
--
2.34.1