From patchwork Tue Apr 16 17:13:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 790645 Received: from 008.lax.mailroute.net (008.lax.mailroute.net [199.89.1.11]) (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 EE1DE10A22 for ; Tue, 16 Apr 2024 17:14:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713287644; cv=none; b=u5JAi0Lx/ZyyMfTU6MEEuX38duMCyQlSTwkG6DoHrE1lFMX0qQSCyI2LcDXZqEXFXecdbNYvmxq8yrX4lKFbKICe9uxOgSqekVW3nip3pjihTImw9H0wltZbjAARjG7xg7jKKOk01UrHZmpGiA1QvOzb7WPELRdCppdkjY7ubIM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713287644; c=relaxed/simple; bh=TcRvrIWTYcUIzgCA/YaTxBjf4H5PQT5txEWv1hb7vmM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=JischDF3Go1xKCQQkOr+Wz0bA0NxEjeBGx9tNf5DCn1G7tWgc3RFLK91Qd7TZTBqzR084kIyyulvGH/It0SpaooahL8C2IDD7IRa7/OcEdSc0bbzARcxKE0Kg/NNgolu8jGDLdoqy3Qfy0/zLI94Ss8cTcf6oSSyKqFfAobASlI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=gnIXKxPK; arc=none smtp.client-ip=199.89.1.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="gnIXKxPK" Received: from localhost (localhost [127.0.0.1]) by 008.lax.mailroute.net (Postfix) with ESMTP id 4VJrHG2Yhtz6Cnk8s; Tue, 16 Apr 2024 17:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:mime-version :x-mailer:message-id:date:date:subject:subject:from:from :received:received; s=mr01; t=1713287640; x=1715879641; bh=RtSxV 3yc6ZQrbnFIzvzWHP5wFPwMgoFQ3+Yet1veUxc=; b=gnIXKxPKrNp2siziX8zTJ MQ8WA3+Qz9xGUgFc3owMyYhX+Lu/eaFMmuAVt6b3L+uLZ80v692+WBgiTSYiuZO/ 652KC+W3FxxScLF9YNADhn3kH92N1M3qrfZ0DjqVUdyNbT0oNAeshDpWv0mPEpmV Zne68wdOvtr0Kn7sXPTDyjt8hg7bdQUNg6QYZ3pU/wIpqZaKzOJZCd2btShPCIi1 1TlKi80+Akjwn3BEJjd2K+4/7irBnEYC29uxPoJjSvz/Kt4VAq4aaQR0R7bAOWCz 0lScekc7/dsSOVGFpt3y6HzKv/LFpnFEsdIaU0ulJ2961MEmYppvUVC8mIlBQ84X A== X-Virus-Scanned: by MailRoute Received: from 008.lax.mailroute.net ([127.0.0.1]) by localhost (008.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id fzz6s3y1rXyD; Tue, 16 Apr 2024 17:14:00 +0000 (UTC) Received: from bvanassche.mtv.corp.google.com (unknown [104.132.0.90]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 008.lax.mailroute.net (Postfix) with ESMTPSA id 4VJrHD5F6yz6Cnk8m; Tue, 16 Apr 2024 17:14:00 +0000 (UTC) From: Bart Van Assche To: "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, Bart Van Assche Subject: [PATCH v2 0/4] Fix a rare crash in the UFS driver Date: Tue, 16 Apr 2024 10:13:27 -0700 Message-ID: <20240416171357.1062583-1-bvanassche@acm.org> X-Mailer: git-send-email 2.44.0.683.g7961c838ac-goog Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi Martin, Sporadic crashes have been observed with the UFS kernel driver if a timeout occurs. This patch series fixes these crashes. Please consider this patch series for the next merge window. Thanks, Bart. Changes compared to v1: fixed a build error in the MediaTek driver. Bart Van Assche (4): scsi: ufs: Declare ufshcd_mcq_poll_cqe_lock() once scsi: ufs: Make ufshcd_poll() complain about unsupported arguments scsi: ufs: Make the polling code report which command has been completed scsi: ufs: Check for completion from the timeout handler drivers/ufs/core/ufs-mcq.c | 25 +++++++++----- drivers/ufs/core/ufshcd-priv.h | 6 ++-- drivers/ufs/core/ufshcd.c | 61 ++++++++++++++++++++++++++------- drivers/ufs/host/ufs-mediatek.c | 2 +- drivers/ufs/host/ufs-qcom.c | 2 +- include/ufs/ufshcd.h | 3 +- 6 files changed, 72 insertions(+), 27 deletions(-)