From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1DC7522A4E8; Thu, 8 Jan 2026 17:32:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767893559; cv=none; b=ucVMoPauASZxTXgX4vAfpgp6QaPGT2n01CEkL5hE1Z7UWqgo5R658vVdiBvmX7ph3arWgfrt+E4b+JmRi0/2eEbs+E44ebowRa+5jahbmWoZR/mc68lwXiWOruX9RoB3F9wHV8cSGdAp4IKETUlXXB/zNc2kVlmZGmnvFrk1gJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767893559; c=relaxed/simple; bh=/JUEeryixnEw0K58Sa0URLCommZX+4qzbGxWFFq18eg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PKXAR13Ngez9ZWtLb3X0Iuv4T+In8KbRjT5bwkGYn4GkAZKVuBdum086yV9VnBl2N5YimBds67KYUeNEFjecetg5kUZKFYIiDIfACjqu8tfiSrL8S8WdZ5SM0IVbtX8iyY2rT0rQcz+2A2jn5AlAfRP2SefkumNAGWD0avyeu54= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rOW2YZAn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rOW2YZAn" 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> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev 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, 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 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