Re: [PATCH 25/69] TTY: con3215, remove tasklet for tty_wakeup

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 04/03/2012 07:42 AM, Heiko Carstens wrote:
> On Mon, Apr 02, 2012 at 01:54:09PM +0200, Jiri Slaby wrote:
>> tty_wakeup is safe to be called from all contexts. No need to schedule
>> a tasklet for that. Let us call it directly like in other drivers.
>>
>> And delete the tasklet completely.
> 
> Your patch actually reverts Martin's recent commit 656d912537
> "[S390] 3215 deadlock with tty_wakeup".
> I'm quite sure the reason for the deadlock still exists.
> Unfortunately the commit doesn't contain the call chain that
> led to fix.

Ok, I would really appreciate the trace.

If this is really an issue, we should provide a helper in the TTY layer
like tty_schedule_wakeup.

thanks,
-- 
js
suse labs


--
To unsubscribe from this list: send the line "unsubscribe linux-s390" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Kernel Development]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Info]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Linux Media]     [Device Mapper]

  Powered by Linux