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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF58DC433EF for ; Thu, 28 Oct 2021 13:14:39 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 6E2CE61139 for ; Thu, 28 Oct 2021 13:14:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6E2CE61139 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 084314B1DD; Thu, 28 Oct 2021 09:14:39 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5UJNhdMhLRvg; Thu, 28 Oct 2021 09:14:37 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id CE8B74B1A4; Thu, 28 Oct 2021 09:14:37 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1DD834B164 for ; Thu, 28 Oct 2021 09:14:36 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HLR0U9fKTUd8 for ; Thu, 28 Oct 2021 09:14:34 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id CA8BE4B159 for ; Thu, 28 Oct 2021 09:14:34 -0400 (EDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id ED12661130; Thu, 28 Oct 2021 13:14:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1635426872; bh=C1zcco3bTHMOEHdKG2K0ubtIXS9WB8cgc60pAqatfuM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=F0wjY9u/vzPiiOcYBGLPCdlL8W/wye2808zGSSQAVBVvHo/k6qFihwjODj6AWxUpD 4TnjpzUad9tFa0QeVAscGyxf79lr7ZUDOhs8nhxG/Wq0OjKAnOBuSUuH+wFnP2HJGz lXCelmjWvayCluyGPRNQO5W4RR5klCwzcqgUXrm6/Z6JqwyrJHa4kORFN/B7iKiOIH aZAfoTQLXefS5RE/GyokVWq4IJNcXln+AsQ9c1U936K4kHiTiCMUexLy/qF5oFxNt1 rjbthJ4kZ+lyzX2khiduaBRJLZz1TBUgRtkthU2PGlO2zKrHyz+tE56i/WjAwPFWg8 ye00MdxCfpgig== Date: Thu, 28 Oct 2021 14:14:27 +0100 From: Mark Brown To: Marc Zyngier Subject: Re: [PATCH v2 5/5] arm64/fpsimd: Document the use of TIF_FOREIGN_FPSTATE by KVM Message-ID: References: <20211028111640.3663631-1-maz@kernel.org> <20211028111640.3663631-6-maz@kernel.org> MIME-Version: 1.0 In-Reply-To: <20211028111640.3663631-6-maz@kernel.org> X-Cookie: try again Cc: kernel-team@android.com, kvm@vger.kernel.org, Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5377555904069889524==" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu --===============5377555904069889524== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="58r1ffgyFCvuxbm+" Content-Disposition: inline --58r1ffgyFCvuxbm+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 28, 2021 at 12:16:40PM +0100, Marc Zyngier wrote: > The bit of documentation that talks about TIF_FOREIGN_FPSTATE > does not mention the ungodly tricks that KVM plays with this flag. >=20 > Try and document this for the posterity. Reviwed-by: Mark Brown --58r1ffgyFCvuxbm+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmF6ojMACgkQJNaLcl1U h9ADwwf+LD87gkZpKtme+gaULezsWo6+93ZLEdBBNTy13T2KQTAbi5wtv2tjrTh0 eCnrIjgyz35mSb3pF+vNn8+iyUBuELXFfK5+ZapkpduIBwY2tNLKCXQrpg28gVWV AuZR6K7b3fktMxMM+vU2zMIacVr50uDT0Ba5BCUpcg0YwvRKORG4W+0UqetRjizz ZfceGiGUd46iepoa5clJXJhZ1eJrUb9FLnekPOEcEUqs7Q1G5bF3Zoifc1JeDtdv e38oMmLfKtwi8DSLfto5jPgb2/xYGBT1FATkdmDtGJaLhIggmkiNyzaugvwbY/BZ MUYuoAUf80pcTiFpov2Kn7FWnw2R4g== =+aPl -----END PGP SIGNATURE----- --58r1ffgyFCvuxbm+-- --===============5377555904069889524== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm --===============5377555904069889524==--