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From: Alex Dubov <oakad@yahoo.com>
To: Pierre Ossman <drzeus-list@drzeus.cx>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] [PATCH] Fix up needless kmap:s
Date: Sat, 3 Feb 2007 18:03:03 -0800 (PST)	[thread overview]
Message-ID: <147773.6460.qm@web36702.mail.mud.yahoo.com> (raw)
In-Reply-To: <45C49444.8020503@drzeus.cx>

The patch looks ok.

However, due to certain peculiarities with memorystick and xd I have to emulate a scatter-gather
in software. Considering that this particular aspect of implementation is the same for all card
types on this TI chip, it can be shared by tifm_sd driver as well. In this case highmem won't be
needed to be avoided and kmap_atomic will come back (may be).

And, by the way, to what extent pagefault_enable/pagefault_disable calls are needed? They are
present in k(u)map_atomic even for non-highmem pages/architectures.



 
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  reply	other threads:[~2007-02-04  2:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-03 13:55 Pierre Ossman
2007-02-04  2:03 ` Alex Dubov [this message]
2007-02-04 16:49   ` Pierre Ossman

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