From: James Clark <james.clark@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Jonathan Corbet <corbet@lwn.net>, Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>
Cc: 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,
James Clark <james.clark@linaro.org>
Subject: [PATCH v2 06/11] KVM: arm64: Add trap configs for PMSDSFR_EL1
Date: Thu, 29 May 2025 12:30:27 +0100 [thread overview]
Message-ID: <20250529-james-perf-feat_spe_eft-v2-6-a01a9baad06a@linaro.org> (raw)
In-Reply-To: <20250529-james-perf-feat_spe_eft-v2-0-a01a9baad06a@linaro.org>
SPE data source filtering (SPE_FEAT_FDS) adds a new register
PMSDSFR_EL1, add the trap configs for it.
Signed-off-by: James Clark <james.clark@linaro.org>
---
arch/arm64/kvm/emulate-nested.c | 1 +
arch/arm64/kvm/sys_regs.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c
index 0fcfcc0478f9..05d3e6b93ae9 100644
--- a/arch/arm64/kvm/emulate-nested.c
+++ b/arch/arm64/kvm/emulate-nested.c
@@ -1169,6 +1169,7 @@ static const struct encoding_to_trap_config encoding_to_cgt[] __initconst = {
SR_TRAP(SYS_PMSIRR_EL1, CGT_MDCR_TPMS),
SR_TRAP(SYS_PMSLATFR_EL1, CGT_MDCR_TPMS),
SR_TRAP(SYS_PMSNEVFR_EL1, CGT_MDCR_TPMS),
+ SR_TRAP(SYS_PMSDSFR_EL1, CGT_MDCR_TPMS),
SR_TRAP(SYS_TRFCR_EL1, CGT_MDCR_TTRF),
SR_TRAP(SYS_TRBBASER_EL1, CGT_MDCR_E2TB),
SR_TRAP(SYS_TRBLIMITR_EL1, CGT_MDCR_E2TB),
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 5dde9285afc8..9f544ac7b5a6 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2956,6 +2956,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_PMBLIMITR_EL1), undef_access },
{ SYS_DESC(SYS_PMBPTR_EL1), undef_access },
{ SYS_DESC(SYS_PMBSR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSDSFR_EL1), undef_access },
/* PMBIDR_EL1 is not trapped */
{ PMU_SYS_REG(PMINTENSET_EL1),
--
2.34.1
next prev parent reply other threads:[~2025-05-29 11:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-29 11:30 [PATCH v2 00/11] perf: arm_spe: Armv8.8 SPE features James Clark
2025-05-29 11:30 ` [PATCH v2 01/11] arm64: sysreg: Update PMSIDR_EL1 description James Clark
2025-05-29 11:30 ` [PATCH v2 02/11] arm64: sysreg: Add new PMSFCR_EL1 fields and PMSDSFR_EL1 register James Clark
2025-05-29 11:30 ` [PATCH v2 03/11] perf: arm_spe: Support FEAT_SPEv1p4 filters James Clark
2025-05-29 11:30 ` [PATCH v2 04/11] perf: arm_spe: Add support for FEAT_SPE_EFT extended filtering James Clark
2025-05-29 11:30 ` [PATCH v2 05/11] arm64/boot: Enable EL2 requirements for SPE_FEAT_FDS James Clark
2025-05-29 16:57 ` Marc Zyngier
2025-05-29 11:30 ` James Clark [this message]
2025-05-29 16:56 ` [PATCH v2 06/11] KVM: arm64: Add trap configs for PMSDSFR_EL1 Marc Zyngier
2025-06-03 9:50 ` James Clark
2025-06-04 15:31 ` Marc Zyngier
2025-06-05 10:33 ` James Clark
2025-05-29 11:30 ` [PATCH v2 07/11] perf: Add perf_event_attr::config4 James Clark
2025-05-29 11:30 ` [PATCH v2 08/11] perf: arm_spe: Add support for filtering on data source James Clark
2025-05-29 11:30 ` [PATCH v2 09/11] tools headers UAPI: Sync linux/perf_event.h with the kernel sources James Clark
2025-05-29 11:30 ` [PATCH v2 10/11] perf tools: Add support for perf_event_attr::config4 James Clark
2025-05-29 17:25 ` Ian Rogers
2025-05-29 11:30 ` [PATCH v2 11/11] perf docs: arm-spe: Document new SPE filtering features James Clark
2025-05-29 16:43 ` Leo Yan
2025-05-29 16:48 ` [PATCH v2 00/11] perf: arm_spe: Armv8.8 SPE features Leo Yan
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