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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71736C433DB for ; Mon, 8 Feb 2021 10:37:27 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1560464E59 for ; Mon, 8 Feb 2021 10:37:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1560464E59 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8B1ED88E57; Mon, 8 Feb 2021 10:37:26 +0000 (UTC) Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by gabe.freedesktop.org (Postfix) with ESMTPS id D478D6E428; Sat, 6 Feb 2021 12:47:36 +0000 (UTC) Received: by mail-lj1-x234.google.com with SMTP id y14so10524902ljn.8; Sat, 06 Feb 2021 04:47:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=/z7HFF3L/qI3FvkGB7cDrmovm/gwu9it6WOSqPW1Scg=; b=rpVOK/Rd+ASx3prdTxZHrUJZejSp7hH4U8F7NpDj9T5UkUTPfSAASfTEOxSvGSCoY4 HAU8U6PIh5eBMnpifru+4ktXo6U8dhLr4UntJQ+Ty8GyA5Ce3Ftxb+rvAetptvq4EDIn 8AOGuBQL81nhWUHgmGLt1LnIKeQ2FlQRd0OIRvYnIzqOXgr/j2M+fbrqgXZf6KkBwidZ ctYs4eMAXL7yN6Ey08jKnrbsjr22NoxCy8H04JrgYTRb75C8MIm62RMViPdm/tW4w/MS RS5dxTOqm+ZSFNyGgSuQdx+xF4ihXBlXqan6m3EqBziSfQ2sg9TtNvpw+Bt+N5qS8gJa D9Wg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=/z7HFF3L/qI3FvkGB7cDrmovm/gwu9it6WOSqPW1Scg=; b=st/Rc8oJ35Kot96ILQ9z+KvssK0aVxNZ5kWm9H49RQkhKmDNkqhFSINLLxG+gdfStl 1uexCAfYJjpg27tHnyV52f6LJS3iFyQLVtItrVgvj4AuxERST6uzoFvIf5UdcC2WP/sI b6nIwiIE8LbaTrF3g6sNrIqSdrjbUFOEMw9XyfM5STExPbgF2OjzOjpHYyqMeenPcQvo Xeb5FkBbyN1UEe2fhSJusnvfAyMR9PkmpbhqeK0+Dmy7OcBH36bT/2a6+60p2sAZT9eV IkvrCZAv4qzi5zQ06ygMgd8MUkcee2SE2EF9omWOtlwhot1on6GEDAF60Z8PEAzW46Qp aCUw== X-Gm-Message-State: AOAM531ux+xoNWov6P2XF5/f/uhEDsz5eKTUMM40SRF2rEd8bhEDVzwz H7dmyVNFMXP5DztZwEIowZ4= X-Google-Smtp-Source: ABdhPJyO0e3Ypvqx5DBPT8VEOqHxfnsDG3RyNFOa/SOLmE4YPmAafx82BiTBU3OQjif04/Fyljtz4g== X-Received: by 2002:a2e:580b:: with SMTP id m11mr5605637ljb.426.1612615655093; Sat, 06 Feb 2021 04:47:35 -0800 (PST) Received: from grain.localdomain ([5.18.103.226]) by smtp.gmail.com with ESMTPSA id q63sm1300622ljq.35.2021.02.06.04.47.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Feb 2021 04:47:33 -0800 (PST) Received: by grain.localdomain (Postfix, from userid 1000) id 5F21056011E; Sat, 6 Feb 2021 15:47:32 +0300 (MSK) Date: Sat, 6 Feb 2021 15:47:32 +0300 From: Cyrill Gorcunov To: Chris Wilson Message-ID: <20210206124732.GK2172@grain> References: <20210205163752.11932-1-chris@chris-wilson.co.uk> <20210205220012.1983-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210205220012.1983-1-chris@chris-wilson.co.uk> User-Agent: Mutt/1.14.6 (2020-07-11) X-Mailman-Approved-At: Mon, 08 Feb 2021 10:37:25 +0000 Subject: Re: [Intel-gfx] [PATCH v3] kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Will Drewry , Kees Cook , Daniel Vetter , intel-gfx@lists.freedesktop.org, Rasmus Villemoes , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Andy Lutomirski , stable@vger.kernel.org, Andrew Morton , Lucas Stach Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Fri, Feb 05, 2021 at 10:00:12PM +0000, Chris Wilson wrote: > Userspace has discovered the functionality offered by SYS_kcmp and has > started to depend upon it. In particular, Mesa uses SYS_kcmp for > os_same_file_description() in order to identify when two fd (e.g. device > or dmabuf) point to the same struct file. Since they depend on it for > core functionality, lift SYS_kcmp out of the non-default > CONFIG_CHECKPOINT_RESTORE into the selectable syscall category. > ... Reviewed-by: Cyrill Gorcunov _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx