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 4BF4C3F7AA0; Wed, 1 Apr 2026 10:36:34 +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=1775039794; cv=none; b=MGYG+BOLqOoDyeKUGJVkQilBvuHSBlFBBsAmUjQl3XJA7NrYYf+FAtS4Ep/bYJP0CIHBwltU+FCExJYP3AnpHlRa5p2DVttH/khpqFo9pU+mXT5x7eUECD2SebXMqGKSpfFcNEV8OACeeeNe+OoI5UEm7lhLBk/DAj7crFFkw8I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775039794; c=relaxed/simple; bh=u28flmvfVSoY5WGICQjmC96Uju6XrphbLe7PuSo52T0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KjDdq871O0Y1rh3KLFL2PgO9j8Wtg6knL9H3yvy8PlNK1Mnm6hBIgkwbfFvVugeVhL5I1vvhOcwuOSEfCC3Ai5iyaNiHnjkbq8p96R6S13HF2p+E6x+f2HQhCxmH2Go/MKurw8edtO8L4cCg7dn41+nG+d5tVDzwIjtrBiJw1PU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=elt7qCMR; 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="elt7qCMR" 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> 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, 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 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