From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) (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 343ED23ED5B; Sat, 9 May 2026 07:49:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778312945; cv=none; b=jAS8VqujC97fSQY0GGsKF6UgQRdhbHuOuca9WXLl3eQijWPkoO1UD1vtRYZT0WXIVU1KLC9+9JAe2iuRLg/h13aXHpZhTWB4T08MOIEZU0bRFf7UwRMvMtahJiMNq7643g40pUrAdkKc5wuBBMkFggjqQksv1qaWc/M4/NkTOKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778312945; c=relaxed/simple; bh=MZkOOzOb+bKBFHgkg1vENsysaTJjJbKi4UD3inQXTv8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jydE3cUzW6GNjtU+79BM9fZThE72Q56rXUJHP/9rHHNM+wvN9W1byJiPH2He6UoMuSodGkF0+ya4NOOkP+fYz6/8ReRnfALe07gM3Frv5r3DP4ITMKTWSinkV3/AmHrua5RFebxi/rrZZ41fuT+Ba3Cc2PyViEjnfg1sQZ5k6LM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=cERFP7e4; arc=none smtp.client-ip=117.135.210.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="cERFP7e4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=tU +OAfrpH6jHC1D7PyGHl4B3uAlL4JFvis5+z3yEDFU=; b=cERFP7e4x583wvfP1G kCSpoW595amnE5En1NKHNpksI508l8e3JYXbDLs7pewMh+s6xSO6DYlHO4cBd0ci 9MLiY6ikZ0tGQ2eDmToHE8/jawOdYET5Bi5BF7/IMt3VPk4Vk5MRw/9W8Yf93xMo xVzXbJsHbG6EdMlsnJrJbVF6c= Received: from China-163-team (unknown []) by gzga-smtp-mtada-g0-3 (Coremail) with SMTP id _____wD3vx7H5v5pPBpuAQ--.62799S2; Sat, 09 May 2026 15:48:26 +0800 (CST) From: Wenshan Lan To: gregkh@linuxfoundation.org, sashal@kernel.org, stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, vinicius.gomes@intel.com, dave.jiang@intel.com, vkoul@kernel.org, jetlan9@163.com Subject: [PATCH 6.6.y v2 0/2] dmaengine: idxd: fix event log crash and memory leak on FLR Date: Sat, 9 May 2026 15:48:20 +0800 Message-ID: <20260509074822.2587-1-jetlan9@163.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wD3vx7H5v5pPBpuAQ--.62799S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7XF4rAF18AF43Jr47uFWruFg_yoWfJrg_Aa 48tr9xWanYvws7Jry5AF43Zr9rWw47WFZ8Aw1qva4fXFyrZrWrCaykJrn0qryxXayIvryY k34DWw1fCwnIvjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRu2NtUUUUUU== X-CM-SenderInfo: xmhwztjqz6il2tof0z/xtbC6woGzmn+5sp-tAAA3Z v1->v2: add commit 52d2edea0d63c ("dmaengine: idxd: Fix crash when the event log is disabled") Backport of two upstream fixes for the dmaengine idxd event log handling in drivers/dma/idxd/device.c. These fix a crash and a memory leak when the event log is disabled or a Function Level Reset (FLR) occurs. Backport notes: - Commit 8a5084ab3af8: The upstream fix also touches idxd_device_config_restore(), which does not exist in v6.6 (introduced in 6.14 via commit 6078a315aec1). Only the idxd_device_evl_free() NULL check portion was backported. - Commit 2ea19af4a590: Clean cherry-pick, no conflicts. Vinicius Costa Gomes (2): dmaengine: idxd: Fix crash when the event log is disabled dmaengine: idxd: Fix leaking event log memory drivers/dma/idxd/device.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -- 2.43.0