From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDF3C23D2B2 for ; Thu, 30 Oct 2025 10:42:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761820965; cv=none; b=HCSEqIVkPO+xU/FDMBQmPDPFdDuSdi7pRTUcK1vUowS9IILEko0FftogQMLJbvKDgMyreh2kZmSjsFgF2jrpWPaAwEnKvpSamFX6bJ5F9CFxB7clwOoYKhL/I97fiuCPSnPyUtg/gNsiHGaLClHoRGKn7i1GqzLtMIgUuz0hVaw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761820965; c=relaxed/simple; bh=G9W7fptY1OBNfQ3kQqrC8Ke7TKS8aSvFyr6gkJbxgUg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=m+j1KGlYiCSznIMxJkpqL1ljhwE53VFttotjaBg0Hv+46s8+3Oxq5Fo8oa3fxhtesp9j0Z9l0v7urQBMN0c+5FOglDMOQJPk/1Oi92WInHpedfTghtQi2riIH1jK2P5grgqSJLrsx01zftHsllCdLMl4nTwXvnCEgMyy2su+lIg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UWxnrBI4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UWxnrBI4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFCDFC4CEF1; Thu, 30 Oct 2025 10:42:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761820965; bh=G9W7fptY1OBNfQ3kQqrC8Ke7TKS8aSvFyr6gkJbxgUg=; h=From:To:Cc:Subject:Date:From; b=UWxnrBI4ivtJN0Jwz6QcrF6kihuKvTd0MeM43P/V2bB7GGlr8K+GC+QX80bw5jfk0 aPFGS1/TOmBBPhxB8UpGzj3dx2PI51JsVNvR0wRcEqTRuEyOib1mg+MUBWB07IO/yG jourJZHBYoYHrf+w9Ce9dm3ICl9tfKVltmpjOHRhaAPAN+BGogpyZDxMEqKhC+Foip +STsayyFPtSgD49XjkrpXP/fyoGHX/5FSoIiy7NT4Oq4/wD3sNkSSRORiWnaigSnIw DmRIJhDfcGsgyu8a0tEdGygTTys0v0D66tIMqAnGgwtePRJyJ/IC0DfHT77DBAWFGT gNEsZweoPC1Zw== From: Philipp Stanner To: Matthew Brost , Danilo Krummrich , Philipp Stanner , =?UTF-8?q?Christian=20K=C3=B6nig?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Boris Brezillon , Melissa Wen , Steven Price Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] drm/sched: Add bloody spinlocks Date: Thu, 30 Oct 2025 11:42:18 +0100 Message-ID: <20251030104219.181704-2-phasta@kernel.org> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The scheduler wouldn't be the scheduler if there weren't functions like drm_sched_job_arm() being called probably a few thousand times per second without taking proper locks, just racing wildly. This series adds the proper locks to drm_sched_job_init() and drm_sched_job_arm(). Philipp Stanner (2): drm/sched: Use proper locks in drm_sched_job_arm() drm/sched: Use proper locks for drm_sched_job_init() drivers/gpu/drm/scheduler/sched_main.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) -- 2.49.0