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 8D950D1D484 for ; Thu, 8 Jan 2026 17:32:54 +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=M4XGbvQxR6Y2Lg93Scvku0Dyh8HyJCa6Nib8A2eMBm4=; b=OiJsCHnax9DA4uVksn1ujMMqED SU/lsV04ccd3JJ4zB0zebqsK6BoV6PHAcUbwcRKeMZRTOT/cM8vl2WS+eW80+h7GL0ZNmO8sHew/P Gf8W+SzyYj/C3Dg0mXnb2yviE5uIVLn/XhAkqAmphRo6JkBLb/4Y7R9m0rz/3UgJambI8YlqIKgN3 IgFnCnXZgBnLhBe3acV1Ehl5sML2MGbAE85GqLV7elA28T+qtKtz0mvpgbF3CkXNHtVpFUfaooI/v DaIesrXVnvKvCAF2yId73UlAiT7k/Jat/0aeCjwhjwUZg1fHF+HO4TX+/aLWusg1Chu+HDkVFbYGC rd5gw8eQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdtsN-00000000PWp-3uje; Thu, 08 Jan 2026 17:32:47 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdtsG-00000000POr-02Bj for linux-arm-kernel@lists.infradead.org; Thu, 08 Jan 2026 17:32:42 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id DAD9443A94; Thu, 8 Jan 2026 17:32:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B28B9C116C6; Thu, 8 Jan 2026 17:32:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767893558; bh=/JUEeryixnEw0K58Sa0URLCommZX+4qzbGxWFFq18eg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rOW2YZAnkGUMbtnuNKI1vh2waYI6Abc/4RlyqLutWI1o3SoJQbxIjCED3B4apcORD w+NeVHLgUCifDz0LD6g2Laa8qv73U2U+d/iHCIZyWOVMumjyOm6tgbxcL+yDkIpFzE KmY2tw8b+1zoaVqCZw2sIVLY6ExBg1jmfHz73M6idPZl/cE3bCq39FVsC5cxNLzqnc K6Le7tNT5y//gEgks0mCFtvcTtMUa6mL31WIDYtnB/w5RRjz4bX0r1htduwPvqltl0 kSXYvVCOWFYrJHoJVmciGkgp2Z3zSEJBrH0DLhMFXWLsAZ9ZkKRXsrJ++3hZsGiJ6U 41XU1XTLR+y/A== 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 1vdtsC-00000000W9F-2TZj; Thu, 08 Jan 2026 17:32:36 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Ben Horgan , Yao Yuan Subject: [PATCH v4 1/9] arm64: Repaint ID_AA64MMFR2_EL1.IDS description Date: Thu, 8 Jan 2026 17:32:25 +0000 Message-ID: <20260108173233.2911955-2-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260108173233.2911955-1-maz@kernel.org> References: <20260108173233.2911955-1-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, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oupton@kernel.org, yuzenghui@huawei.com, ben.horgan@arm.com, yaoyuan@linux.alibaba.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260108_093240_099455_61EB749A X-CRM114-Status: GOOD ( 11.01 ) 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 ID_AA64MMFR2_EL1.IDS, as described in the sysreg file, is pretty horrible as it diesctly give the ESR value. Repaint it using the usual NI/IMP identifiers to describe the absence/presence of FEAT_IDST. Also add the new EL3 routing feature, even if we really don't care about it. Reviewed-by: Joey Gouly Signed-off-by: Marc Zyngier --- arch/arm64/kvm/hyp/nvhe/sys_regs.c | 2 +- arch/arm64/tools/sysreg | 7 ++++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c index 3108b5185c204..4db0562f5bfa4 100644 --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c @@ -134,7 +134,7 @@ static const struct pvm_ftr_bits pvmid_aa64mmfr2[] = { MAX_FEAT(ID_AA64MMFR2_EL1, UAO, IMP), MAX_FEAT(ID_AA64MMFR2_EL1, IESB, IMP), MAX_FEAT(ID_AA64MMFR2_EL1, AT, IMP), - MAX_FEAT_ENUM(ID_AA64MMFR2_EL1, IDS, 0x18), + MAX_FEAT(ID_AA64MMFR2_EL1, IDS, IMP), MAX_FEAT(ID_AA64MMFR2_EL1, TTL, IMP), MAX_FEAT(ID_AA64MMFR2_EL1, BBM, 2), MAX_FEAT(ID_AA64MMFR2_EL1, E0PD, IMP), diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 8921b51866d64..d0ddfd572b899 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -2256,9 +2256,10 @@ UnsignedEnum 43:40 FWB 0b0000 NI 0b0001 IMP EndEnum -Enum 39:36 IDS - 0b0000 0x0 - 0b0001 0x18 +UnsignedEnum 39:36 IDS + 0b0000 NI + 0b0001 IMP + 0b0010 EL3 EndEnum UnsignedEnum 35:32 AT 0b0000 NI -- 2.47.3