From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C74D8C43327 for ; Thu, 2 Jul 2026 16:03:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Gz1SCcBQk1uT9BfitccY1PXQbFj9e4s1uC4Oikj/pOw=; b=stnzmYkR3bl+AYOUw7a+77W1q2 v8ljzgKexKPhQSOvD9LV4S8aFRmpu16EICgoLb9lcgldx3CmIXitKUKKK1zIlsz/ZprcONkZs0n5J /6+JDPRJt4QkInr1V96frFeCUe39WD76BGzhwN/xxUxddb48R5+JgO55G7CMfsWi4ZyHt5TjofVsp eKMDxDTe5AF5csBbImuLztBj1gr3HEY2TwQFM4wFKZ4WinjXwdFP/4GSJ9iOG3dunyrPhkoWb19A4 J0NUgHZFb5UKzpUy/1lHJk1bm8hymtaNNBvhhKZh5i3hrj6ZDG22pIl/UHzhGle2HpVErlaNDlveb wJPzpCtg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfJsZ-00000004uKb-1joN; Thu, 02 Jul 2026 16:03:07 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfJsT-00000004uCP-37qR for linux-arm-kernel@lists.infradead.org; Thu, 02 Jul 2026 16:03:01 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 32F07601F0; Thu, 2 Jul 2026 16:03:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD1E41F00AC4; Thu, 2 Jul 2026 16:03:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783008180; bh=Gz1SCcBQk1uT9BfitccY1PXQbFj9e4s1uC4Oikj/pOw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=c2C0r3fAS3FhJF4PK/tP21s8cSFukJF/jxm22ybu32OyeIwDEaQBaHkjCjE8wL7BY 191x7uYfKZV5z1HrG+hpgOTHH5iuQoe39/ekivkmiOKvg+L5FSTNmW4urNAJEJtNBr XRuR6eYvMK8fUE5MmXPR3HdqHoo6/j9tohcDH3rJEHNk4Mn5GgO1Rk3RxQR6+EfbRz dxmy1yZ6foMY0C8b8naFI0LGAYXoAhElUvWQlgmi50A8N2qdhtON1rb+d7GI0d4kJm Yv5JH03wLdL/78nROpw94VDWfPq/ZxeWcj5ET4nOp4oCpH6ceKcs7k2e1nNb7FwJZo 8LHby5gD1y8sw== 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 1wfJsR-00000000ojd-0Wpb; Thu, 02 Jul 2026 16:02:59 +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 Subject: [PATCH 05/28] KVM: arm64: Plumb HCRX_EL2.SRMASKEn in HCRX_EL2 sanitisation Date: Thu, 2 Jul 2026 17:02:25 +0100 Message-ID: <20260702160248.1377250-6-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260702160248.1377250-1-maz@kernel.org> References: <20260702160248.1377250-1-maz@kernel.org> 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 X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 16d8148dc3f12..8d5e4aacf49c4 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 32e2f9856768b..c6e8117a6f9cd 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