From nobody Wed Feb 11 02:18:44 2026 Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3984E23E35E for ; Thu, 5 Jun 2025 10:50:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749120613; cv=none; b=BhhEqPb82B5I7RmdX9D+JuHnEgXrykQGo6R94O+5gTQngNam+twmxnvSaGQs3TTLiVv+aVwQvAd+ItzRhvkstC8LT2hx5LL7Yvj63Qgr17w684D715WZ+Mc0b9Y7JCxNGn1pbZpsQU1jZOA+nbmyaWoaG5ctBhjMwsVbRo/o0uA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749120613; c=relaxed/simple; bh=D3a8CHQrVLegzkacJWeUjX0eoOkZvAqwfNoehax7vUs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=h7Xp1uXlSCSFL03HyH83pT//4sR5m2L331zNn18bv8H/0Ru86r28vvkFU7N6mm7Gkcr15aGtr8xiLyVwOeQYdD7xeCSR53rUTVtj22mHwin2ROSzpsSZQPIHyfy+7OCduDcijEMgiloNaInspZhOEl9BuiXO36Hvp4L5mbNMMtY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=fYaIrY9v; arc=none smtp.client-ip=209.85.128.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="fYaIrY9v" Received: by mail-wm1-f48.google.com with SMTP id 5b1f17b1804b1-442eb5d143eso7661895e9.0 for ; Thu, 05 Jun 2025 03:50:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1749120609; x=1749725409; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=0DK6uM4OCMEufJaM16uRm6cXGr0jOYtB1myNeR7Sl5w=; b=fYaIrY9v2avoYb68C3U7hI+EA5ULP/3xdsyx1da8X4VZGU9w8aVjvuB2nWtRLY9nIy pkzPIhIFia46/wRXL3nALzno6G6RroMF2btpMPL59GZt7YmudmZu8+1+H6TEFccLqKY8 iBZ7n+fmbXqxBlFEmnYg63vagUy/U8U8O5YtpUc+/tDEe22bGUJy2Ahe0u8g6xrBAsMZ UdTVFdsjDKlHmgMM3fncDJw+yuj9fXmaEx7R6U1e69YvlvYHG+V3DQwM8O872sm3mwjj RbejpsWXbS1u7EFvm8rN/bwEuYIOCSkFiHwi6LpYaQGfjFtzzXP2iGF0j0ag3nESApMP hb0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749120609; x=1749725409; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0DK6uM4OCMEufJaM16uRm6cXGr0jOYtB1myNeR7Sl5w=; b=aTYt42vKCdJWdVTxTZgCHxHsqOVx9ZrqC/9GnV7QBvWOfFxHLKxEzkPvdPYeh44Pgn MwHPPE78CjFhRc0qzmnnKTzK1wVl5rV/wzYPQrmL0RFvToJJGpErRromxXO7z/8Z/JM+ IgI07CQt9sOV9Qf0HqnCmbi732KV6g8zzb33yiIbznIcu78JbldYodB2C7TE374FCb5q dNStlxXISlVaWHNvsQIzdWNUUvVHDAD4DgM8N/N7oPAQfh9t3zAD+KKooN8emX3Yod8k 1E2UduwfX1aqnFGld1RN03wOWT2pM5RUroShOR/xhPNCVt/+k/15gCyPxt8NHLKNGnoF iqGw== X-Forwarded-Encrypted: i=1; AJvYcCUPvcUSwBSabmEYosEY3SfkubmD+hYaCIoBhd+zLbQ/TAVvsB7bQJZFGQ3LXRs9P19iDED7eVhSBPxTgCU=@vger.kernel.org X-Gm-Message-State: AOJu0Yyu0PbSbAvab/8nlLOKKUIG+1e6q4v5zzcyqdj2aSvbuEpA2ppX Ik0HFLW3J0f2p0vkmtH+rDxUg4PAmEiwJ+N/5i6X82dKvpQNGu58UjIn08XR7/EnN2I= X-Gm-Gg: ASbGncum5Cc2ESXFGBIaBvmtIwuqSAoX9xSkhg+DSY7GNZfnIDGKbe/ppNqZjfroVqC hXUrpCOjcUr9sDPwT7qvB9KP9ys6v2BQbFGoiiWMpD9G15nksZISeUHTAW8DCkauvnJs+KMkWhr ksZAr2gJ2Lc6dGxFlxOvPG67LTNWF06KbOJgK5I0E/BX0/gcWyQFrVOcOyzx7ENHmzXTXfwsmga eBCIdnvcDsa2BjDUh+sgGtQpN9ui0mGr4CvkjZsFt3fHIApV02pI1iKW8K1PMMFNwQhG/ONSdkY DNCT6k9VvIsVe9Wo/m89p3EGDdKVzPR4EAjuK88TwfaTBEafwfXeOD1MlZto8Ik5cedCSlw= X-Google-Smtp-Source: AGHT+IHW1X+WENRurUa43xQ9bej2IvG2qfN9i4ZVKvWxfljVS3ufqAHPvcXy1cLSRDDK8lgBUz9YNg== X-Received: by 2002:a05:600c:a089:b0:43d:45a:8fbb with SMTP id 5b1f17b1804b1-451f0b0c598mr53918705e9.22.1749120609367; Thu, 05 Jun 2025 03:50:09 -0700 (PDT) Received: from ho-tower-lan.lan ([37.18.136.128]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-451f990cfe3sm20629965e9.23.2025.06.05.03.50.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Jun 2025 03:50:08 -0700 (PDT) From: James Clark Date: Thu, 05 Jun 2025 11:49:03 +0100 Subject: [PATCH v3 05/10] KVM: arm64: Add trap configs for PMSDSFR_EL1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250605-james-perf-feat_spe_eft-v3-5-71b0c9f98093@linaro.org> References: <20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org> In-Reply-To: <20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org> To: Catalin Marinas , Will Deacon , Mark Rutland , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , leo.yan@arm.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 X-Mailer: b4 0.14.0 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 Signed-off-by: James Clark Reviewed-by: Joey Gouly --- arch/arm64/include/asm/vncr_mapping.h | 2 ++ arch/arm64/kvm/emulate-nested.c | 1 + arch/arm64/kvm/sys_regs.c | 1 + 3 files changed, 4 insertions(+) diff --git a/arch/arm64/include/asm/vncr_mapping.h b/arch/arm64/include/asm= /vncr_mapping.h index 6f556e993644..dba0e58a5fac 100644 --- a/arch/arm64/include/asm/vncr_mapping.h +++ b/arch/arm64/include/asm/vncr_mapping.h @@ -92,6 +92,8 @@ #define VNCR_PMSICR_EL1 0x838 #define VNCR_PMSIRR_EL1 0x840 #define VNCR_PMSLATFR_EL1 0x848 +#define VNCR_PMSNEVFR_EL1 0x850 +#define VNCR_PMSDSFR_EL1 0x858 #define VNCR_TRFCR_EL1 0x880 #define VNCR_MPAM1_EL1 0x900 #define VNCR_MPAMHCR_EL2 0x930 diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-neste= d.c index 3a384e9660b8..60bd8b7f0e5b 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -1174,6 +1174,7 @@ static const struct encoding_to_trap_config encoding_= to_cgt[] __initconst =3D { 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 a6cf2888d150..4a88ba15c7df 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -3008,6 +3008,7 @@ static const struct sys_reg_desc sys_reg_descs[] =3D { { 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 */ =20 { PMU_SYS_REG(PMINTENSET_EL1), --=20 2.34.1