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 718CCC44500 for ; Thu, 2 Jul 2026 08:08:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8FCC310F217; Thu, 2 Jul 2026 08:08:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lankhorst.se header.i=@lankhorst.se header.b="FYVyQ8Ep"; dkim-atps=neutral Received: from lankhorst.se (unknown [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8F15C10F216; Thu, 2 Jul 2026 08:08:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lankhorst.se; s=default; t=1782979722; bh=j+kZhrKGeVLe6Kwb9Av2wRwsLfG3GUrsHoYClLpC+34=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FYVyQ8Epsvol8ivf/Zqttxm7ERimG8fRHHu+cs9R8vnaZorjawgqmFl8dlaQ37ml4 xvvv+/yn3vNS8SRiiLGsBwzFyb5UjggJEd+ddJ9CKjfx7YkGIwQbdb3IAfVUHBDsJg gjp5/yIjewq0cf+HR0LqPTdL03k2gZr4fLm2HyBUgFvZPaVrxhfFVXGl2CK5PMQSHd R80/qQTGCgCtPb0erCAnDESjRpLKc9WSCwP8sHWTdlomgUrcQvFBtCQQUp3vjGJKYA hgTo7whpV5wIQ0rJQ2EapnHcR+lrH+B0UWmCmMhZbaF7WCiXdpJGtxWwUB1pFQM7lm 51GaLVL5xpaRg== From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, Maarten Lankhorst Subject: [PATCH 5/7] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Date: Thu, 2 Jul 2026 10:09:11 +0200 Message-ID: <20260702080913.434121-6-dev@lankhorst.se> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260702080913.434121-1-dev@lankhorst.se> References: <20260702080913.434121-1-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