From: Pierre Ossman <drzeus-list@drzeus.cx>
To: Andrew Morton <akpm@osdl.org>
Cc: Russell King <rmk@arm.linux.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: drivers/mmc/wbsd.c
Date: Mon, 10 Jan 2005 10:17:02 +0100 [thread overview]
Message-ID: <41E2480E.6040207@drzeus.cx> (raw)
In-Reply-To: <20050105194709.590f780c.akpm@osdl.org>
Andrew Morton wrote:
>static inline void wbsd_kunmap_sg(struct wbsd_host* host)
>{
> kunmap_atomic(host->cur_sg->page, KM_BIO_SRC_IRQ);
>}
>
>Guys, kunmap_atomic() takes a kernel virtual address (the value which
>kmap_atomic() returned).
>
>Passing it the address of a pageframe will have unpleasant results.
>
>
Thanks. kunmap_atomic() just messes with the preemption stuff (on x86 at
least) so it probably would have gone unnoticed for a while.
I've fixed it now and it will be included in the next patch set.
Rgds
Pierre
prev parent reply other threads:[~2005-01-10 9:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-06 3:47 drivers/mmc/wbsd.c Andrew Morton
2005-01-10 9:17 ` Pierre Ossman [this message]
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