Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755839Ab3EBHkI (ORCPT ); Thu, 2 May 2013 03:40:08 -0400 Received: from mail-wg0-f51.google.com ([74.125.82.51]:46620 "EHLO mail-wg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755714Ab3EBHkG (ORCPT ); Thu, 2 May 2013 03:40:06 -0400 From: Daniel Vetter To: DRI Development Cc: LKML , Daniel Vetter , Dave Airlie , Borislav Petkov , stable@vger.kernel.org Subject: [PATCH] drm: don't check modeset locks in panic handler Date: Thu, 2 May 2013 09:43:05 +0200 Message-Id: <1367480585-22814-1-git-send-email-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1175 Lines: 35 Since we know that locking is broken in that case and it's more important to not flood the dmesg with random gunk. Cc: Dave Airlie Cc: Borislav Petkov References: https://groups.google.com/forum/?fromgroups=#!topic/linux.kernel/QFzFxSUeV4I Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter --- drivers/gpu/drm/drm_crtc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 792c3e3..3be0802 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -78,6 +78,10 @@ void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) { struct drm_crtc *crtc; + /* Locking is currently fubar in the panic handler. */ + if (oops_in_progress) + return; + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) WARN_ON(!mutex_is_locked(&crtc->mutex)); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/