Re: [PATCH 3/9] IR: replace spinlock with mutex.

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

 



On Wed, 2010-07-28 at 13:03 -0300, Mauro Carvalho Chehab wrote:
> Em 28-07-2010 12:14, Maxim Levitsky escreveu:
> > Some handlers (lirc for example) allocates memory on initialization,
> > doing so in atomic context is cumbersome.
> > Fixes warning about sleeping function in atomic context.
> 
> You should not replace it by a mutex, as the decoding code may happen during
> IRQ time on several drivers.
I though decoding code is run by a work queue?
I don't see any atomic codepath here...

> 
> If lirc is allocating memory, it should be using GFP_ATOMIC to avoid sleeping.

If its really not possible, I can make lirc use GFP_ATOMIC. a bit ugly,
but should work.

Best regards,
	

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


[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux