linux-kernel - Re: [PATCH 0/4] scsi: qla2xxx: Convert timers to use timer

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Date:   Wed, 1 Nov 2017 19:18:41 +0000
From:   "Madhani, Himanshu" <Himanshu.Madhani@...ium.com>
To:     Kees Cook <keescook@...omium.org>
CC:     Bart Van Assche <bart.vanassche@....com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Dept-Eng QLA2xxx Upstream <qla2xxx-upstream@...ium.com>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/4] scsi: qla2xxx: Convert timers to use timer_setup()

Hi Kees, 

> On Nov 1, 2017, at 11:46 AM, Kees Cook <keescook@...omium.org> wrote:
> 
> On Tue, Oct 31, 2017 at 12:13 PM, Kees Cook <keescook@...omium.org> wrote:
>> This breaks out the logical steps to convert the qla2xxx timers:
>> 
>> 1) init_timer() -> setup_timer()
>> 2) refactor qla2x00_start_timer() to not pass callback as argument
>> 3) qla2x00_timer() to use timer_setup()
>> 4) qla2x00_sp_timeout() to use timer_setup()
>> 
>> The resulting diff is identical to the patch that appears to lock up
>> the driver. This should help identify which step causes this behavior.
> 
> Hi, just curious if there's been any progress on debugging the issue
> you saw with this series?
> 

Sorry for delay. I will test this series later today and post update. 

> Thanks!
> 
> -Kees
> 
> -- 
> Kees Cook
> Pixel Security

Thanks,
- Himanshu