From nobody Sun Oct 5 01:51:58 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 645732C21F7; Mon, 11 Aug 2025 16:34:10 +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=1754930051; cv=none; b=QRx7s3S8DzzITBjsMwuf4QQDBmrF7rVJ5cqPge5ZFt3W6az1H/pzUc9BN6PsouqELd6XqT8A3rKiqmbVmkRtUsOFD/OSwIvTa9APswawLUae6Dre337fV5NRORZHIqpL4yE4gA4urTlIxD53nhgshb8wbwacRjMkie4oI++Vfkk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754930051; c=relaxed/simple; bh=iYkfBgo39WRXK6B+pCXlZSN5RvHkpDPKiQxLF87/cOA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ZVBLnr3W6pqQHsom9ZYWseKaVzD6dRjDJ1DB59qRr0yMkd9M47Bd7v139zawuEqKxZcm4f6njXUz4v0IRHLxvOf/aBtNRfioMy6E3vkvszlJDYsinEGAqbgzs9GelrIaahYis0sY9JOkYTzVNoHy7DrVqFiIjdHVJ5L5gUD28bE= 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 DB6B52680; Mon, 11 Aug 2025 09:34:01 -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 008373F738; Mon, 11 Aug 2025 09:34:05 -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 v2 6/6] KVM: arm64: initialise SCTLR2_EL1 at __kvm_host_psci_cpu_entry() Date: Mon, 11 Aug 2025 17:33:40 +0100 Message-Id: <20250811163340.1561893-7-yeoreum.yun@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250811163340.1561893-1-yeoreum.yun@arm.com> References: <20250811163340.1561893-1-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 */ =20 +#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); =20 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); =20 __host_enter(host_ctxt); --=20 LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}