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 E5A10D35178 for ; Wed, 1 Apr 2026 10:36:44 +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=0JLmw3xeGP+PbSi4/a0DecoDUs2oTv/d5qeQasXJ7hY=; b=yqWA2vDl0lbfWFfegWFLgxgO/Y YRTWCVzGpTEwUBqwT5CtNEExZInXZzZ2jGuBzySe+ENquUumq5tyK+yjx9Xhu95WfbOGeuRdrz+5B vOaOfnU20Xy61gd2wrD8pJIbriJpBwLBmTCC7vKmSov9nJMy+xT4aXfqg7A1F3jY3aeTnXXrypqUi ZWk7A0oZd2G8Su2FVgVShzJjJb6TmQNTKQWiEMmz7OwW5zrYOBgUSVPCey+iut/JSeFCJFD76oyvi Fq5A4xccbjNdG4ca2LmQktHmvupXIaVd1jjtoQLsviYImQFONyDmat4fILXnid8DZMAKgyWoDBp6A hjL4U4Tw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w7sw9-0000000EWHh-2QRm; Wed, 01 Apr 2026 10:36:37 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w7sw6-0000000EWBx-1k76 for linux-arm-kernel@lists.infradead.org; Wed, 01 Apr 2026 10:36:34 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3F66560139; Wed, 1 Apr 2026 10:36:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DB13C2BCB4; Wed, 1 Apr 2026 10:36:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775039794; bh=u28flmvfVSoY5WGICQjmC96Uju6XrphbLe7PuSo52T0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=elt7qCMR3qVxj3RtKj0rM7ZVy9Jg2NPbEtSyZ7n2U/QotZu+EjEZq29KfhFKGu2K9 T10ieEKMaY+f4MolbnDyVJnygPvXdetRuiwmYSYyEs6YvGoyRTbYYjemuV9GJEz1WG HRYstlrK4EpoMfiQDfKPtWmuU8RpeM4NiGzrWvR28Tb9wWfRulUKd/hSn9xzzcK3D5 ZxrNy8+aghDruPKfj+pKzmLiB05XZnGZOzMUuhxS2/22FXGNM7Aduv06yOz3fcwgpr Kr25Fgq+TV3plpfGyM31N4584p94mAZxCcV78hJKsMBIz/Q9XQCTxlvguvnXl/B1Xo ZFKz5icKJJZVQ== 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 1w7sw4-00000007oRQ-1Enw; Wed, 01 Apr 2026 10:36:32 +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 , Sascha Bischoff , Mark Brown Subject: [PATCH v2 14/16] KVM: arm64: Correctly plumb ID_AA64PFR2_EL1 into pkvm idreg handling Date: Wed, 1 Apr 2026 11:36:09 +0100 Message-ID: <20260401103611.357092-15-maz@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260401103611.357092-1-maz@kernel.org> References: <20260401103611.357092-1-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, sascha.bischoff@arm.com, broonie@kernel.org 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 While we now compute ID_AA64PFR2_EL1 to a glorious 0, we never use that data and instead return the 0 that corresponds to an allocated idreg. Not a big deal, but we might as well be consistent. Reviewed-by: Sascha Bischoff Fixes: 5aefaf11f9af5 ("KVM: arm64: gic: Hide GICv5 for protected guests") Link: https://sashiko.dev/#/patchset/20260319154937.3619520-1-sascha.bischoff%40arm.com Signed-off-by: Marc Zyngier --- arch/arm64/kvm/hyp/nvhe/sys_regs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c index b40fd01ebf329..be6f420388a14 100644 --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c @@ -439,7 +439,7 @@ static const struct sys_reg_desc pvm_sys_reg_descs[] = { /* CRm=4 */ AARCH64(SYS_ID_AA64PFR0_EL1), AARCH64(SYS_ID_AA64PFR1_EL1), - ID_UNALLOCATED(4,2), + AARCH64(SYS_ID_AA64PFR2_EL1), ID_UNALLOCATED(4,3), AARCH64(SYS_ID_AA64ZFR0_EL1), ID_UNALLOCATED(4,5), -- 2.47.3