From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B4D262D73B5; Thu, 30 Jul 2026 07:10:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785395462; cv=none; b=gL8YXacscRXB+Bdthn1a2jwR19oQwF/ZF1aFiWdmQyRakax4h4+fUXXuw+fVpOpGI/Ycb2HeHpYRF6onNml/CPsZGY1TSMu7e+QOMwgU4YQ92RyT9ZJNt0g1lMV8u4OGnV4+2BlIU33dNkntAXnEIeZEmNuHIBOlxYd0qzms43c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785395462; c=relaxed/simple; bh=lvnC6MOREV15DuIdzyrxDmxBzLoVj0bJ0HkqhMGYXWk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bFbk4uzoDW3zSTUp+hQ5GleUXn5KLQdYiA5wBmlJvbi4Ee5b9A3v91IBgSjtzA2I5m1TAtPtPNx0UDlYcbDeSZP6pWGoyHHzxPm8NW22sr4lpql2zZjvfo4Q6+uf13vaI4jmrpNUdFNIDj/OasMw1NBTHfgWx0GGveVYXIBkOOY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mI0Adkby; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mI0Adkby" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 280351F00A3E; Thu, 30 Jul 2026 07:10:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785395451; bh=qy3LcChpmVPkZFpX/FyAcZIZ4iiBtn32rR6Vy9EHCMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=mI0Adkby1Y5xWOEoa427WveKzE+UPR5ih6RtRlDS2vsCHTOmChHj0iQfLOjhinISW 2WmWoGJxe0DXslrDqT/u6Vtv3xmlWaHrdODnPyVuAGlq/147XAVb8y43gRNBQZ0iOV J4PXlDVlNWTB4ZNE2OT7rdGIakGqnq7D/HLBS4fY3S2GhIyDFV7u7PHdIuBMOMEwQa YqGgi4nmD9ESr4OyivWVh2DKbm5okrC36ND6n7OXLxv57KvoySKArI2iZPyr1LjVAD wWiTOu+WdcrMtq/sj2B41oHBHjm0AmqSHE73uuWO1ePM90YpS3oam3nlH0g4pc90iD YxAaHMNUnCxNw== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wpKun-0000000AOpW-1jeS; Thu, 30 Jul 2026 07:10:49 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Steffen Eiden , Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Yao Yuan , Wei-Lin Chang , Vladimir Murzin Subject: [PATCH v4 05/29] KVM: arm64: Plumb HCRX_EL2.SRMASKEn in HCRX_EL2 sanitisation Date: Thu, 30 Jul 2026 08:09:58 +0100 Message-ID: <20260730071022.296811-6-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260730071022.296811-1-maz@kernel.org> References: <20260730071022.296811-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, seiden@linux.ibm.com, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, yaoyuan@linux.alibaba.com, weilin.chang@arm.com, vladimir.murzin@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false HCRX_EL2.SRMASKEn is a new bit enabling FEAT_SRMASK for a guest. We don't plan to support it any time soon, but it doesn't hurt to actively document it, specially as we are going to add more bits we actually care about. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/config.c | 1 + arch/arm64/tools/sysreg | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/config.c b/arch/arm64/kvm/config.c index 96ddcefc71eb5..c61d62b796023 100644 --- a/arch/arm64/kvm/config.c +++ b/arch/arm64/kvm/config.c @@ -904,6 +904,7 @@ static const DECLARE_FEAT_MAP_FGT(hdfgwtr2_desc, hdfgwtr2_masks, static const struct reg_bits_to_feat_map hcrx_feat_map[] = { + NEEDS_FEAT(HCRX_EL2_SRMASKEn, FEAT_SRMASK), NEEDS_FEAT(HCRX_EL2_PACMEn, feat_pauth_lr), NEEDS_FEAT(HCRX_EL2_EnFPM, FEAT_FPMR), NEEDS_FEAT(HCRX_EL2_GCSEn, FEAT_GCS), diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 3171c87eb2447..28755f70f0bf0 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -4545,7 +4545,9 @@ Fields ZCR_ELx EndSysreg Sysreg HCRX_EL2 3 4 1 2 2 -Res0 63:25 +Res0 63:27 +Field 26 SRMASKEn +Res0 25 Field 24 PACMEn Field 23 EnFPM Field 22 GCSEn -- 2.47.3