From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.210 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794213151; b=HXbx+mnmWflW6kbXmp4aCGkxWmDhtU+hK4Sw9XKA+YVgg2/EOifrI5ksgMBtzqU4dE8E DkbplwGswPT767m5yQiiFRcSqmlfxgnricBR8CJVejn8vHqoD5efe0Iy07B0z9SJd3Jjg KOyYPisvp2fgCEenvj8GAjcv8CG4jvrycxJlnCfzlF9/6/6GXQj4Ho+AYyW1q+yw5/CC7 nUTVy3S+cV3UxAYiN6BUmRvBXpLjxa2+dXk9Zh1MJVJJsi5YrJjLzWMAcCcHYaOu6fgm+ dnYT9bNNxBnYBI/TGfEZWB5bBsp8bCXCGSxi7p5QMKaDvhvqgTujAx568kMPTNTdgdQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794213151; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=42Orm40wyRzB+1dz5ASuI1+iqJtxIK4njD90kiRR/14=; b=aYJ5APWS30NhWgkO9cO2TNEQsa2Uwi9x35H8P6YqzDOv9zXjr1QHhVOuO6wzMi82NZbI 0N18NFi1Z7gNzzqUOd+PX0bgTruYepzDzsCAHDH7Cms4ahSgSfi7TxU/Zt4zEDmjcE2LP +JdCQ4HhTqWWWrTmcWWvtMHZjeW0QQGN3PCqT386u84Yo/CIywaEA6xzWeKMNibmkhMlc Wm40+bzHx0ynKizg3ZZZLudhoNaecTOz/46LrFp2B8CObvJ62uiXM9WXz5odhxkXZYUv6 IdPFenp86JlMb+Lg8pOl69AnlDHIeh0IudQigCXPaDZ57UjA9y7ZwiQeg6PKv7IUvjQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=IgM2gl7o; arc=none smtp.remote-ip=95.215.58.210 Received: from mta1.migadu.com (out-210.mta1.migadu.com [95.215.58.210]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7DA10606A32A for ; Mon, 9 Nov 2026 08:32:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 7DA10606A32A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=IgM2gl7o X-Envelope-To: kvmarm@lists.linux.dev DKIM-Signature: a=rsa-sha256; bh=h9tWamJLklnLk65EksHqbtyH+466JFRTiXTrnW1mmmE=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794213148; v=1; x=1794817948; b=IgM2gl7ote6LZ27McnrsVE5cWqEZ+K/R9X0A3qD7bHy8IUAXWivb5SOXr76tDa7+iJZf3B4Y 4kcpFuoWAHzzvVs6OrtiSKZSae41aOygC6kTpOGV2GBbw8FPU0+Snb3OfK7AicLFyQdrItOWVaW LfxSEcVXQaedx5ZqmMohkGv8= X-Envelope-To: kvmarm@lists.linux.dev Received: by smtp.migadu.com with ESMTPS id 3df3eedc180a0556; Mon, 09 Nov 2026 08:32:28 +0000 X-Mizu-Trace-ID: 3df3eedc180a0556 X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: Marc Zyngier , Oliver Upton , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: Joey Gouly , Suzuki K Poulose , Zenghui Yu , Steffen Eiden , Catalin Marinas , Will Deacon , Mark Rutland , Vincent Donnefort , Fuad Tabba , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/16] KVM: arm64: Advertise MOPS to protected VMs Date: Mon, 9 Nov 2026 08:31:58 +0000 Message-ID: <20261109083205.806619-10-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261109083205.806619-1-fuad.tabba@linux.dev> References: <20261109083205.806619-1-fuad.tabba@linux.dev> X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Advertise FEAT_MOPS to protected VMs. With the field set, vcpu_set_hcrx() sets HCRX_EL2.{MSCEn,MCE2} for them, and kvm_hyp_handle_mops() already handles their MOPS exceptions. Signed-off-by: Fuad Tabba --- arch/arm64/kvm/hyp/nvhe/sys_regs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c index d186aba6aa09c..bcc35d6990e67 100644 --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c @@ -212,6 +212,7 @@ static const struct pvm_ftr_bits pvmid_aa64isar1[] = { static const struct pvm_ftr_bits pvmid_aa64isar2[] = { MAX_FEAT_FUNC(ID_AA64ISAR2_EL1, GPA3, IMP, vm_has_ptrauth), MAX_FEAT_FUNC(ID_AA64ISAR2_EL1, APA3, PAuth, vm_has_ptrauth), + MAX_FEAT(ID_AA64ISAR2_EL1, MOPS, IMP), MAX_FEAT(ID_AA64ISAR2_EL1, ATS1A, IMP), FEAT_END }; -- 2.47.3