linux-kernel - Re: [PATCH] scsi: ufs: core: quiesce request queues before check pending cmds

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <8005e95f-069c-4cbd-8330-c1395a238b86@acm.org>
Date: Tue, 11 Jun 2024 06:54:12 -0700
From: Bart Van Assche <bvanassche@....org>
To: Ziqi Chen <quic_ziqichen@...cinc.com>, quic_cang@...cinc.com,
 mani@...nel.org, beanhuo@...ron.com, avri.altman@....com,
 junwoo80.lee@...sung.com, martin.petersen@...cle.com,
 quic_nguyenb@...cinc.com, quic_nitirawa@...cinc.com,
 quic_rampraka@...cinc.com
Cc: linux-scsi@...r.kernel.org, Alim Akhtar <alim.akhtar@...sung.com>,
 "James E.J. Bottomley" <jejb@...ux.ibm.com>,
 Peter Wang <peter.wang@...iatek.com>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 Maramaina Naresh <quic_mnaresh@...cinc.com>,
 Asutosh Das <quic_asutoshd@...cinc.com>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: core: quiesce request queues before check
 pending cmds

On 6/7/24 03:06, Ziqi Chen wrote:
> Fix this race condition by quiescing the request queues before calling
> ufshcd_pending_cmds() so that block layer won't touch the budget map
> when ufshcd_pending_cmds() is working on it. In addition, remove the
> scsi layer blocking/unblocking to reduce redundancies and latencies.

Reviewed-by: Bart Van Assche <bvanassche@....org>