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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D4054C43458 for ; Fri, 3 Jul 2026 11:32:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EF8E510F7D1; Fri, 3 Jul 2026 11:32:42 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lankhorst.se header.i=@lankhorst.se header.b="fPPXqeKI"; dkim-atps=neutral Received: from lankhorst.se (unknown [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B73510F7BF; Fri, 3 Jul 2026 11:32:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lankhorst.se; s=default; t=1783078355; bh=j+kZhrKGeVLe6Kwb9Av2wRwsLfG3GUrsHoYClLpC+34=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fPPXqeKIoynabM2YKh03Qe70aHB19jpg/nNsGyowlf8Vb3S424FjtQ+9pmw3N+397 Av76uIjYRtDPve3fBZ3jMUd82pXrjMBrFscUs+4pJ0ivo3sStm0Sz0cghSw+Q1Ip7w jJ810ZQWb0+f367JVvayiRUTU9aDay+v8SQLUC2H4wMDbPVh5Xmt/N4ap+KaKg9BdG cGhXVbT+XtYz7BGipurOGCK9kKbzooGLttGWVpFhwgCmOeOI/H4bKFQcN4ITdS8b+y drXHrGvhKJDmYNp/J70iNCrCKn0/u+fm5pqBqN+4UvI+zCLNE01yNNYqIAwdRVN4xe bvJPjEbfLc97Q== From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, Maarten Lankhorst Subject: [PATCH v2 5/7] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Date: Fri, 3 Jul 2026 13:32:57 +0200 Message-ID: <20260703113259.801374-6-dev@lankhorst.se> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260703113259.801374-1-dev@lankhorst.se> References: <20260703113259.801374-1-dev@lankhorst.se> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Also check if RCU is disabled for PREEMPT-RT, which is the case when local_bh_disable() is called. Signed-off-by: Maarten Lankhorst --- drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index c0fd349a4600c..9dd9665128caa 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1607,7 +1607,7 @@ u64 intel_engine_get_last_batch_head(const struct intel_engine_cs *engine) static unsigned long stop_timeout(const struct intel_engine_cs *engine) { - if (in_atomic() || irqs_disabled()) /* inside atomic preempt-reset? */ + if (in_atomic() || irqs_disabled() || rcu_preempt_depth()) /* inside atomic preempt-reset? */ return 0; /* -- 2.53.0