From: saeed bishara <saeed.bishara@gmail.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Nicolas Pitre <nico@fluxnic.net>, Hemanth V <hemanthv@ti.com>,
linux-mmc@vger.kernel.org, pierre@ossman.eu,
linux-arm-kernel@lists.infradead.org
Subject: Re: Highmem issues with MMC filesystem
Date: Thu, 18 Mar 2010 15:42:25 +0200 [thread overview]
Message-ID: <c70ff3ad1003180642n1d9410a9g35c24b06df6afef0@mail.gmail.com> (raw)
In-Reply-To: <20100318112453.GA19544@n2100.arm.linux.org.uk>
> In no case does the kernel ever clean user space cache lines for DMA;
> that's not the responsibility of the DMA API.
I understand that it's not the DMA API's responsibility to flush user
space cache lines, but other parts of the kernel should do that right?
otherwise DIRECT_IO won't work (though the issue here has nothing to
do with DIRECT_IO).
saeed
prev parent reply other threads:[~2010-03-18 13:42 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-17 13:40 Highmem issues with MMC filesystem Hemanth V
2010-03-17 13:49 ` Nicolas Pitre
2010-03-17 14:40 ` Hemanth V
2010-03-17 14:58 ` Nicolas Pitre
2010-03-18 9:23 ` Russell King - ARM Linux
2010-03-18 11:15 ` saeed bishara
2010-03-18 11:24 ` Russell King - ARM Linux
2010-03-18 13:20 ` Nicolas Pitre
2010-03-18 13:30 ` Shilimkar, Santosh
2010-03-18 14:19 ` Russell King - ARM Linux
2010-03-18 14:41 ` Hemanth V
2010-03-18 16:17 ` Nicolas Pitre
2010-03-18 17:51 ` Russell King - ARM Linux
2010-03-18 19:24 ` Nicolas Pitre
2010-03-19 1:55 ` Jamie Lokier
2010-03-19 13:17 ` Nicolas Pitre
2010-03-19 13:27 ` Russell King - ARM Linux
2010-03-19 17:59 ` Nicolas Pitre
2010-03-19 18:26 ` Catalin Marinas
2010-03-19 18:56 ` Nicolas Pitre
2010-03-19 14:28 ` Hemanth V
2010-03-19 14:36 ` Shilimkar, Santosh
2010-03-19 14:45 ` Russell King - ARM Linux
2010-03-19 14:41 ` Catalin Marinas
2010-03-19 14:46 ` Russell King - ARM Linux
2010-03-19 14:52 ` Catalin Marinas
2010-03-19 14:54 ` Russell King - ARM Linux
2010-03-19 16:46 ` Catalin Marinas
2010-03-19 16:52 ` Russell King - ARM Linux
2010-03-19 17:47 ` Nicolas Pitre
2010-03-19 18:27 ` Nicolas Pitre
2010-03-19 18:38 ` Russell King - ARM Linux
2010-03-19 18:51 ` Nicolas Pitre
2010-03-22 11:45 ` Russell King - ARM Linux
2010-03-22 12:36 ` Nicolas Pitre
2010-03-19 20:14 ` Nicolas Pitre
2010-03-22 9:05 ` Hemanth V
2010-03-22 12:50 ` Nicolas Pitre
2010-03-18 13:42 ` saeed bishara [this message]
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