From nobody Sun Oct 5 14:35:58 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 09D2B25DB0A; Mon, 4 Aug 2025 12:18:02 +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=1754309883; cv=none; b=LohGgnaP0BCR48MJb7S4NFznO8W1i80gJCOFLdDPxUVE5awdrLlToP92etS6PD6mgGZ0OTnQFMMiX6BHfZDCDyrmvfXkRdriDAvKEVWZaF+yHp/57lornpAGzjrb3VlIKLmZGuOw70L/QWDuY2Va5uBsHE7XFl2yAPhwqbCkDK0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754309883; c=relaxed/simple; bh=yyHiKn3TTe/WLOZndQLfBtKivmH21ktYqHo2TtBhYCA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=j+klTX+fJCPighgdmhASTiFb+iyC+6t1c5EkStneTZyuszgl7UGlG+NbGZ6xftaa/WsgMidFnF3Camnt4VPVaH304H7gX1yHINvQojCVd6zYX+t2Gcr+1fu2LTrOdJ806nWzUbRXts72L+lwttusSb8I54ESMchsNaH11rZ0ORo= 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 91355150C; Mon, 4 Aug 2025 05:17:53 -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 E987D3F738; Mon, 4 Aug 2025 05:17:57 -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 08/11] KVM: arm64: initialise SCTLR2_EL1 at __kvm_host_psci_cpu_entry() Date: Mon, 4 Aug 2025 13:17:21 +0100 Message-Id: <20250804121724.3681531-9-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" initialise SCTLR2_EL1 at __kvm_host_psci_cpu_entry(). Signed-off-by: Yeoreum Yun --- arch/arm64/kvm/hyp/nvhe/psci-relay.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe= /psci-relay.c index c3e196fb8b18..4ed4b7fa57c2 100644 --- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c +++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c @@ -4,6 +4,7 @@ * Author: David Brazdil */ +#include #include #include #include @@ -219,6 +220,8 @@ asmlinkage void __noreturn __kvm_host_psci_cpu_entry(bo= ol is_cpu_on) release_boot_args(boot_args); write_sysreg_el1(INIT_SCTLR_EL1_MMU_OFF, SYS_SCTLR); + if (alternative_has_cap_unlikely(ARM64_HAS_SCTLR2)) + write_sysreg_el1(INIT_SCTLR2_EL1, SYS_SCTLR2); write_sysreg(INIT_PSTATE_EL1, SPSR_EL2); __host_enter(host_ctxt); -- LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}