linux-kernel - Re: [PATCH V3 0/4] perf: Support Panther Lake uncore

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Message-ID: <b77f58ac-17ac-4397-b1de-d6a8ac9793c3@linux.intel.com>
Date: Fri, 4 Jul 2025 09:24:17 +0800
From: "Mi, Dapeng" <dapeng1.mi@...ux.intel.com>
To: kan.liang@...ux.intel.com, peterz@...radead.org, mingo@...hat.com,
 acme@...nel.org, namhyung@...nel.org, irogers@...gle.com,
 linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH V3 0/4] perf: Support Panther Lake uncore


On 7/4/2025 12:56 AM, kan.liang@...ux.intel.com wrote:
> From: Kan Liang <kan.liang@...ux.intel.com>
>
> Changes since V2:
> - Rebase on the later tip.git
>   rdmsrl_safe_on_cpu -> rdmsrq_safe_on_cpu
>
> Starting from the Panther Lake, the uncore discovery table mechanism is
> also introduced into the client platforms. The difference is that the
> portal of the global discovery table is retrieved from an MSR, rather
> than MMIO space.
>
> The first two patches provide a generic support for the extension of the
> uncore discovery table mechanism.
> The rest patches enable the uncore PMU on Panther Lake.
>
> Kan Liang (4):
>   perf/x86/intel/uncore: Support MSR portal for discovery tables
>   perf/x86/intel/uncore: Support customized MMIO map size
>   perf/x86/intel/uncore: Add Panther Lake support
>   perf/x86/intel/uncore: Add iMC freerunning for Panther Lake
>
>  arch/x86/events/intel/uncore.c           |  7 ++
>  arch/x86/events/intel/uncore.h           |  2 +
>  arch/x86/events/intel/uncore_discovery.c | 89 ++++++++++++++++++------
>  arch/x86/events/intel/uncore_discovery.h |  7 ++
>  arch/x86/events/intel/uncore_snb.c       | 79 +++++++++++++++++++++
>  arch/x86/events/intel/uncore_snbep.c     |  4 +-
>  6 files changed, 166 insertions(+), 22 deletions(-)

The whole series looks good to me. Thanks.