Messages in this thread |  | | Date | Mon, 16 Dec 2013 11:49:27 +0100 | From | Ludovic Desroches <> | Subject | Re: possible regression on 3.13 when calling flush_dcache_page |
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On Thu, Dec 12, 2013 at 05:13:22PM +0000, Russell King - ARM Linux wrote: > On Thu, Dec 12, 2013 at 03:31:50PM +0100, Ludovic Desroches wrote: > > I'll investigate on atmel-mci driver side but if someone has also this > > issue or see what is wrong in the driver, please tell me all about it. > > I'm not entirely sure what's causing this, but calling flush_dcache_page() > from an IRQ isn't the best idea, as one of its side effects will be to > unmask IRQs at the CPU. >
Thans for pointing this point. Having a look to other mmc drivers, it seems flush_dcache_page() is also called from an IRQ. Not sure that deferring it is the way to go.
What should be the most proper solution?
> BTW, the faulting function seems to have been removed in more recent > kernels.
Same error with rc4 and linux-next.
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