linux-kernel - Re: [PATCH 1/2] scsi: lpfc: spin_lock

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] [day] [month] [year] [list]

Message-ID: <yq1y3s7vp7q.fsf@oracle.com>
Date:   Sat, 01 Jul 2017 17:09:45 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     James Smart <james.smart@...adcom.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/2] scsi: lpfc: spin_lock_irq() is not nestable


Dan,

> We're calling spin_lock_irq() multiple times, the problem is that on
> the first spin_unlock_irq() then we will re-enable IRQs and we don't
> want that.

Applied to 4.13/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering