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 833F01EC002 for ; Tue, 3 Sep 2024 21:25:44 +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=1725398744; cv=none; b=T+Tyf2QvEgHTUIRMs8RzPDFyS8x5vHD/jpAgQlUOUZTdgu8RDXux9TIBTVPwUStWg+SPz5QwK9fqYbTccrrkwp/8y0cSOq3QnwFmu5+7V0eKYYGqVhPBLiSn4NjTzKrGaWqgRG70R31XdJInP3Ju87m/F6zYUxTqg+HaYAsfJwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725398744; c=relaxed/simple; bh=AasIpws/ux+0oeANMHnesUahVdaXmpvjGKvMxPfVk4c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JLlEy2557rFHSnnEcMv7Kl/XU6AIQ++X2akeYGH0uttabfmFUv7z3XoFdEOPBrUh5m5mNBBxOjxY4imbBUJmpVJQ4g+LWz1B0B8qkQWQlYK/w6IjypdZmn9GUVaJhJ/yZuhpmMC3OIp+dC2ccE2BmeVm7KbCi1RcuYgdMOosHoo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LYM9NJUL; 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="LYM9NJUL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B33AC4CEC4; Tue, 3 Sep 2024 21:25:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725398744; bh=AasIpws/ux+0oeANMHnesUahVdaXmpvjGKvMxPfVk4c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LYM9NJULdZravvDFN55W2xUUVA5gyjTM3a6k6rOv3y+hSG0F09bnOprBrDHvODiER 7cQnjl0aKNxhYZAMH6B0y8r76J9aYS+QyONznF0q2Ug8SZE8OzhbUw7QmBJbgcXv9c RXRjsAiepiLtWBmYjftN7chtAbyST2BYWsH5mbbafG14I1agl8KocFtTBbow93VdZO WKtJ1xOZL20CRz682RdD47vWebZtCuLnQHYu8VGnJy5sLwd/4hPO73KEdsD/XefEqm qefyogjFfXIHDSqLYhBEAj1p97aefbfHMJPNkcyJ5KbTw1uM/waoJK2eOqjlTdUC9q ufzYTw0GoNX7A== Date: Tue, 3 Sep 2024 15:25:41 -0600 From: Keith Busch To: Keith Busch Cc: kvm@vger.kernel.org, x86@kernel.org, Alex Williamson , Paolo Bonzini , Xu Liu Subject: Re: [PATCH RFC] kvm: emulate avx vmovdq Message-ID: References: <20240820230431.3850991-1-kbusch@meta.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240820230431.3850991-1-kbusch@meta.com> On Tue, Aug 20, 2024 at 04:04:31PM -0700, Keith Busch wrote: > From: Keith Busch > > Because people would like to use this (see "Link"), interpret the VEX > prefix and emulate mov instrutions accordingly. The only avx > instructions emulated here are the aligned and unaligned mov. > Everything else will fail as before. Hey, checking back in on this since it's been a couple weeks. The only feedback so far are either commit-log changes or cosmetic code fixes. I'm happy to provide more details or test cases if needed. I'll also be at LPC if in-preson discussions might be useful.