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Fri, 16 May 2025 15:38:49 +0100 Date: Fri, 16 May 2025 15:38:48 +0100 Message-ID: <8634d4fwnb.wl-maz@kernel.org> From: Marc Zyngier To: James Clark Cc: Catalin Marinas , Will Deacon , Mark Rutland , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Jonathan Corbet , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , leo.yan@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev Subject: Re: [PATCH 01/10] arm64: sysreg: Add new PMSIDR_EL1 and PMSFCR_EL1 fields In-Reply-To: <20250506-james-perf-feat_spe_eft-v1-1-dd480e8e4851@linaro.org> References: <20250506-james-perf-feat_spe_eft-v1-0-dd480e8e4851@linaro.org> <20250506-james-perf-feat_spe_eft-v1-1-dd480e8e4851@linaro.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: james.clark@linaro.org, catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, corbet@lwn.net, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, leo.yan@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250516_073853_387915_49C0A344 X-CRM114-Status: GOOD ( 17.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 06 May 2025 12:41:33 +0100, James Clark wrote: > > Add new fields and registers that are introduced for the features > FEAT_SPE_CRR (call return records), FEAT_SPE_EFT (extended filtering), > FEAT_SPE_FPF (floating point flag), FEAT_SPE_FDS (data source > filtering), FEAT_SPE_ALTCLK and FEAT_SPE_SME. > > Signed-off-by: James Clark > --- > arch/arm64/tools/sysreg | 26 ++++++++++++++++++++++---- > 1 file changed, 22 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg > index bdf044c5d11b..80d57c83a5f5 100644 > --- a/arch/arm64/tools/sysreg > +++ b/arch/arm64/tools/sysreg > @@ -2205,11 +2205,20 @@ Field 0 RND > EndSysreg > > Sysreg PMSFCR_EL1 3 0 9 9 4 > -Res0 63:19 > +Res0 63:53 > +Field 52 SIMDm > +Field 51 FPm > +Field 50 STm > +Field 49 LDm > +Field 48 Bm > +Res0 47:21 > +Field 20 SIMD > +Field 19 FP > Field 18 ST > Field 17 LD > Field 16 B > -Res0 15:4 > +Res0 15:5 > +Field 4 FDS > Field 3 FnE > Field 2 FL > Field 1 FT > @@ -2226,7 +2235,12 @@ Field 15:0 MINLAT > EndSysreg > > Sysreg PMSIDR_EL1 3 0 9 9 7 > -Res0 63:25 > +Res0 63:33 > +Field 32 SME > +Field 31:28 ALTCLK > +Field 27 FPF > +Field 26 EFT > +Field 25 CRR These are described as enumerations in the JSON file (see [1]). M. [1] https://lore.kernel.org/all/20250506164348.346001-7-maz@kernel.org -- Without deviation from the norm, progress is not possible.