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 EA551185B48 for ; Tue, 24 Mar 2026 02:14:45 +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=1774318486; cv=none; b=WOcKJJmX31ocqhxPWS3MHEXGAqnHfCv7PWAL8ApgDjbMiOWVuYEOPlpipgZtNuZdTTwCtZIeZKvlkc4KcZZ3w3CyYd0tyLUeagpzNQq5NsNXgQiwby6Efh6eDpOrLGkbcY9uLT0xN3maWm6bFdwsa0Zx/asW9D7tVRFqr3f5qrk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774318486; c=relaxed/simple; bh=TO2RzNGl3QaEmDTI2VDfAcOvLdhOrGE8ero57x/6NBU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VrM13fuhqGAr/wuxtaJbQ9KT4K1NofVWjW5srGsbta4Zft3rw0DTxI1C5VNCijw7k4p19T3vP6/E17iere/FHS421zMA8L5HnjFEmSQ3cfTo5PmiqGJhijKfpiR4D1A/wySeUUWx3V0g4EGfmB2qQyqtoszgXBijWsWM73RwWmo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eTek9b8C; 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="eTek9b8C" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E374C4CEF7; Tue, 24 Mar 2026 02:14:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774318485; bh=TO2RzNGl3QaEmDTI2VDfAcOvLdhOrGE8ero57x/6NBU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=eTek9b8CkkhrzvSimQb+Reep8rVSxPw5Og9X7W1B96JNpCSbpPdnsHl307dm0kxFS 8RTR2+TR32GuCCo63iMbGEvnNTOfUT1rED4pvLMc6OnP/jDG5AlZLu7CbSy3YOl62A B46kxQ6R0pRyDubvl5y/JEhA88DEUAxIG7SjQsQoHlbpYZh2fIE1BDhtwyusldXUw3 xniGdIkcqhqqVxPyryWJhbhZS6bVCg2NO/F/aDGzlbw5RZEMNXoS4Ow9OZiO7/de9J X1tf4yCO3MUwYmWvNzjomaPsb3/9mUT6SbIvlEBTH0sbsraNJJAXdf45+QB05Rsrkr Mm3EipOy5DD9A== Received: by finisterre.sirena.org.uk (Postfix, from userid 1000) id 096101AC52D3; Tue, 24 Mar 2026 02:14:42 +0000 (GMT) Date: Tue, 24 Mar 2026 02:14:42 +0000 From: Mark Brown To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu Subject: Re: [PATCH] KVM: arm64: set_id_regs: Allow GICv3 support to be set at runtime Message-ID: References: <20260323174642.3183075-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="kvTKe6LgctCn4IwY" Content-Disposition: inline In-Reply-To: <20260323174642.3183075-1-maz@kernel.org> X-Cookie: Identify your visitor. --kvTKe6LgctCn4IwY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Mar 23, 2026 at 05:46:42PM +0000, Marc Zyngier wrote: > set_id_regs creates a GIC3 guest when possible, and then proceeds > to write the ID registers as if they were not affected by the presence > of a GIC. As it turns out, ID_AA64PFR1_EL1 is the proof of the > contrary. Thanks, this fixes the issues I was seeing in -next: Tested-by: Mark Brown --kvTKe6LgctCn4IwY Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEyBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmnB85IACgkQJNaLcl1U h9CCowf4yEm4L6SEBrzHzfDEPo9zYZqteeOj1r7q+vba6HHLd3YAtNDdsghS8r2A 8ByiqvccyeAcNpQsyESaNL2S85Qfqbx1KvT3rfzOAJBdAvOrobFrOfokpTkpT5oi fa6236lfJvFSNA24Os69/yqWmUiCNY9zuvEtmMxt715t6qE6x89QU5X2spvqFz/g pfXMb+CZ5wDrSCogJ2PJqOYaRKca1MlbqRaKPaivgfykCQ8XyXdBpHQgu7Uk5tWn smq0Go6mkdJvqW8JEH83LDB04EaEyB8rGJzYV+wLdt/W9uGn8AnP80jhGeTvC2ck WnEAHwf+gph6u6i0VWm1/rg+6otU =PO86 -----END PGP SIGNATURE----- --kvTKe6LgctCn4IwY--