From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
iamjoonsoo.kim@lge.com
Subject: Re: possible regression on 3.13 when calling flush_dcache_page
Date: Thu, 12 Dec 2013 17:13:22 +0000 [thread overview]
Message-ID: <20131212171322.GT4360@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20131212143149.GI12099@ldesroches-Latitude-E6320>
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.
BTW, the faulting function seems to have been removed in more recent
kernels.
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next prev parent reply other threads:[~2013-12-12 17:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 14:31 possible regression on 3.13 when calling flush_dcache_page Ludovic Desroches
2013-12-12 14:36 ` Ludovic Desroches
2013-12-13 1:59 ` Joonsoo Kim
2013-12-16 14:43 ` Ludovic Desroches
2013-12-18 7:21 ` Joonsoo Kim
2013-12-20 8:08 ` Ludovic Desroches
2013-12-23 22:44 ` Ludovic Desroches
2013-12-24 6:38 ` Joonsoo Kim
2014-01-03 14:54 ` Ludovic Desroches
2014-01-06 0:26 ` Joonsoo Kim
2014-01-06 9:34 ` Ludovic Desroches
2014-01-09 7:16 ` Joonsoo Kim
2013-12-12 17:13 ` Russell King - ARM Linux [this message]
2013-12-16 10:49 ` Ludovic Desroches
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