linux-kernel - Re: [PATCH v8 07/12] KVM: arm64: Add trap configs for PMSDSFR

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Message-ID: <87348izi20.wl-maz@kernel.org>
Date: Fri, 19 Sep 2025 14:29:59 +0100
From: Marc Zyngier <maz@...nel.org>
To: James Clark <james.clark@...aro.org>
Cc: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Jonathan Corbet <corbet@....net>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Joey Gouly <joey.gouly@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Leo Yan <leo.yan@....com>,
	Anshuman Khandual <anshuman.khandual@....com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	linux-doc@...r.kernel.org,
	kvmarm@...ts.linux.dev
Subject: Re: [PATCH v8 07/12] KVM: arm64: Add trap configs for PMSDSFR_EL1

On Mon, 01 Sep 2025 13:40:36 +0100,
James Clark <james.clark@...aro.org> wrote:
> 
> SPE data source filtering (SPE_FEAT_FDS) adds a new register
> PMSDSFR_EL1, add the trap configs for it. PMSNEVFR_EL1 was also missing
> its VNCR offset so add it along with PMSDSFR_EL1.
> 
> Tested-by: Leo Yan <leo.yan@....com>
> Signed-off-by: James Clark <james.clark@...aro.org>

Given that this is completely independent of this series, and that KVM
is already aware of FEAT_SPE_FSD (if only to make sure the registers
actively UNDEF), I'll take it into the KVM tree directly.

	M.

-- 
Jazz isn't dead. It just smells funny.