Re: [PATCH] thinkpad_acpi: moved hotkey_thread_mutex lock after set_freezable()

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

 



On Mon, Feb 25, 2013 at 03:54:45PM -0800, Andrew Morton wrote:
> On Sun, 24 Feb 2013 13:22:02 +0400
> Artem Savkov <artem.savkov@xxxxxxxxx> wrote:
> 
> > set_freezable() checks freezing during which no locks should be held.
> > hotkey_thread_mutex lock should be moved closer to where it is actually needed.
> > 
> 
> Thanks.
> 
> When fixing a bug, we always like to see a full description of that bug
> so we can better work out which kernel versions need the fix.
Sorry, will do thah in future.

> Did you actually hit a lockup because of this?  Or was it just from
> code inspection?  Or ...  ?
I didn't hit an actual lockup, but I did hit a warning during boot. The
warning was added by "lockdep: check that no locks held at freeze time"
patch (2f2ff7b8979c50491b3cbce622d7bea4d44a8682 in linux-next.git)


-- 
Kind regards,
Artem
--
To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Kernel Development]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux