From nobody Sun Oct 5 14:35:57 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 002EC260563; Mon, 4 Aug 2025 12:18:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754309895; cv=none; b=jo4gtiYfhuiiv2hWfGU1ki8UTnd4B4aO6leH6IPPaOjlwqJFXktqdHUZj8gbaWPH7dR8K1R3ahl/5eonJKuA+u+Amo5aA+bg22n0tBUWyupP2ym/f7AcaK1s88tyjljxTErF1+AuOzWRBbR7tvSL1EaGKiQkYMfQ+XbttK8PUpA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754309895; c=relaxed/simple; bh=mPy4thA1/du4dFbNzpx58/qAyPaMN57d2szGheSzUuQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=sFwHA/f1KFjjs9eUi3Ht1pMTO7ofuseIlPTJVvoebdYXAVdIIBnZB+etpfa657VmllxovALW1OMkCtv9x+qjh3m31IU0UceBM12XKjAaaHBXG8hOt8cHEYTSGJYCbiPMcwlg/0uE3/84EeyaF6/rv0UYe75/sgdAbwoklfC9yB4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 68E24150C; Mon, 4 Aug 2025 05:18:05 -0700 (PDT) Received: from e129823.cambridge.arm.com (e129823.arm.com [10.1.197.6]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C183C3F738; Mon, 4 Aug 2025 05:18:09 -0700 (PDT) From: Yeoreum Yun To: catalin.marinas@arm.com, will@kernel.org, maz@kernel.org, broonie@kernel.org, oliver.upton@linux.dev, anshuman.khandual@arm.com, robh@kernel.org, james.morse@arm.com, mark.rutland@arm.com, joey.gouly@arm.com, ry111@xry111.site, Dave.Martin@arm.com, ahmed.genidi@arm.com, kevin.brodsky@arm.com, scott@os.amperecomputing.com, mbenes@suse.cz, james.clark@linaro.org, frederic@kernel.org, rafael@kernel.org, pavel@kernel.org, ryan.roberts@arm.com, suzuki.poulose@arm.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, kvmarm@lists.linux.dev, Yeoreum Yun Subject: [PATCH 11/11] KVM: arm64: expose FEAT_SCTLR2 feature to guest Date: Mon, 4 Aug 2025 13:17:24 +0100 Message-Id: <20250804121724.3681531-12-yeoreum.yun@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250804121724.3681531-1-yeoreum.yun@arm.com> References: <20250804121724.3681531-1-yeoreum.yun@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" expose FEAT_SCTLR2 feature to guest. Signed-off-by: Yeoreum Yun --- arch/arm64/kvm/sys_regs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 24881b7248b5..3f82ef1a8eb0 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1644,8 +1644,8 @@ static u64 __kvm_read_sanitised_id_reg(const struct k= vm_vcpu *vcpu, val &=3D ~ID_AA64MMFR2_EL1_NV; break; case SYS_ID_AA64MMFR3_EL1: - val &=3D ID_AA64MMFR3_EL1_TCRX | ID_AA64MMFR3_EL1_S1POE | - ID_AA64MMFR3_EL1_S1PIE; + val &=3D ID_AA64MMFR3_EL1_TCRX | ID_AA64MMFR3_EL1_SCTLRX | + ID_AA64MMFR3_EL1_S1POE | ID_AA64MMFR3_EL1_S1PIE; break; case SYS_ID_MMFR4_EL1: val &=3D ~ARM64_FEATURE_MASK(ID_MMFR4_EL1_CCIDX); @@ -2961,6 +2961,7 @@ static const struct sys_reg_desc sys_reg_descs[] =3D { ID_AA64MMFR2_EL1_NV | ID_AA64MMFR2_EL1_CCIDX)), ID_WRITABLE(ID_AA64MMFR3_EL1, (ID_AA64MMFR3_EL1_TCRX | + ID_AA64MMFR3_EL1_SCTLRX | ID_AA64MMFR3_EL1_S1PIE | ID_AA64MMFR3_EL1_S1POE)), ID_WRITABLE(ID_AA64MMFR4_EL1, ID_AA64MMFR4_EL1_NV_frac), -- LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}