From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42116 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932404AbdJ3J3L (ORCPT ); Mon, 30 Oct 2017 05:29:11 -0400 Subject: Patch "drm/i915/perf: fix perf enable/disable ioctls with 32bits userspace" has been added to the 4.13-stable tree To: lionel.g.landwerlin@intel.com, chris@chris-wilson.co.uk, gregkh@linuxfoundation.org, rodrigo.vivi@intel.com Cc: , From: Date: Mon, 30 Oct 2017 10:29:11 +0100 Message-ID: <150935575196247@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/i915/perf: fix perf enable/disable ioctls with 32bits userspace to the 4.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-i915-perf-fix-perf-enable-disable-ioctls-with-32bits-userspace.patch and it can be found in the queue-4.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 7277f755048da562eb2489becacd38d0d05e1e06 Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Tue, 24 Oct 2017 16:27:28 +0100 Subject: drm/i915/perf: fix perf enable/disable ioctls with 32bits userspace From: Lionel Landwerlin commit 7277f755048da562eb2489becacd38d0d05e1e06 upstream. The compat callback was missing and triggered failures in 32bits userspace when enabling/disable the perf stream. We don't require any particular processing here as these ioctls don't take any argument. Signed-off-by: Lionel Landwerlin Fixes: eec688e1420 ("drm/i915: Add i915 perf infrastructure") Reviewed-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20171024152728.4873-1-lionel.g.landwerlin@intel.com (cherry picked from commit 191f896085cf3b5d85920d58a759da4eea141721) Signed-off-by: Rodrigo Vivi Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/i915_perf.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -2480,6 +2480,10 @@ static const struct file_operations fops .poll = i915_perf_poll, .read = i915_perf_read, .unlocked_ioctl = i915_perf_ioctl, + /* Our ioctl have no arguments, so it's safe to use the same function + * to handle 32bits compatibility. + */ + .compat_ioctl = i915_perf_ioctl, }; Patches currently in stable-queue which might be from lionel.g.landwerlin@intel.com are queue-4.13/drm-i915-perf-fix-perf-enable-disable-ioctls-with-32bits-userspace.patch