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From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Hojin Nam <hj96.nam@samsung.com>
Cc: "linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
	Wonjae Lee <wj28.lee@samsung.com>,
	KyungSan Kim <ks0204.kim@samsung.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"will@kernel.org" <will@kernel.org>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>
Subject: Re: [PATCH v3] perf: CXL: fix mismatched cpmu event opcode
Date: Thu, 8 Feb 2024 10:10:52 +0000	[thread overview]
Message-ID: <20240208101052.000018d7@Huawei.com> (raw)
In-Reply-To: <20240208013415epcms2p2904187c8a863f4d0d2adc980fb91a2dc@epcms2p2>

On Thu, 08 Feb 2024 10:34:15 +0900
Hojin Nam <hj96.nam@samsung.com> wrote:

> S2M NDR BI-ConflictAck opcode is described as 4 in the CXL
> r3.0 3.3.9 Table 3.43. However, it is defined as 3 in macro definition.
> 
> Fixes: 5d7107c72796 ("perf: CXL Performance Monitoring Unit driver")
> Signed-off-by: Hojin Nam <hj96.nam@samsung.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Thanks,

Jonathan

> ---
> 
> Hi Jonathan,
> Sorry, I misunderstood your guide. 
> I roll-backed to v1 patch keeping fixes tag. Thank you!
> 
> Changes since v2:
> - Remove s2m_ndr_cmpm attribute and referecne added at v2 (Jonathan)
> 
> Changes since v1:
> - Add s2m_ndr_cmpm event attribute
> - Add fixes tag (Jonathan)
> 
> 
>  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


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  reply	other threads:[~2024-02-08 10:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20240208013415epcms2p2904187c8a863f4d0d2adc980fb91a2dc@epcms2p2>
2024-02-08  1:34 ` [PATCH v3] perf: CXL: fix mismatched cpmu event opcode Hojin Nam
2024-02-08 10:10   ` Jonathan Cameron [this message]
2024-02-09 18:31   ` Will Deacon

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