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[209.132.180.67]) by mx.google.com with ESMTP id q10si2334255pgd.335.2018.02.11.02.09.57; Sun, 11 Feb 2018 02:10:24 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752788AbeBKKJB (ORCPT + 99 others); Sun, 11 Feb 2018 05:09:01 -0500 Received: from anholt.net ([50.246.234.109]:32798 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752288AbeBKKJA (ORCPT ); Sun, 11 Feb 2018 05:09:00 -0500 Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id A3E6D10A1502; Sun, 11 Feb 2018 02:08:59 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id hwRkXKX3i2iV; Sun, 11 Feb 2018 02:07:24 -0800 (PST) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 7653D10A0432; Sun, 11 Feb 2018 02:07:24 -0800 (PST) Received: by eliezer.anholt.net (Postfix, from userid 1000) id D6ADB2FE2D44; Sun, 11 Feb 2018 10:07:01 +0000 (GMT) From: Eric Anholt To: Daniel Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm: Print the pid when debug logging an ioctl error. In-Reply-To: <20180131080728.GV25930@phenom.ffwll.local> References: <20180130215643.11016-1-eric@anholt.net> <20180131080728.GV25930@phenom.ffwll.local> User-Agent: Notmuch/0.22.2+1~gb0bcfaa (http://notmuchmail.org) Emacs/25.2.2 (x86_64-pc-linux-gnu) Date: Sun, 11 Feb 2018 10:07:00 +0000 Message-ID: <87d11bsuuz.fsf@anholt.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Daniel Vetter writes: > On Tue, Jan 30, 2018 at 01:56:43PM -0800, Eric Anholt wrote: >> When we debug print what ioctl we're calling into, we include the pid. >> If you have multiple processes rendering simulataneously, the error >> return also needs the pid so you can see which of the ioctl calls was >> the one to fail. >>=20 >> Signed-off-by: Eric Anholt > > Reviewed-by: Daniel Vetter Pushed. 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