From: Daniel Walker <dwalker@mvista.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH -rt] update kmap_atomic on !HIGHMEM
Date: Wed, 27 Dec 2006 13:36:56 -0800 [thread overview]
Message-ID: <1167255416.14081.46.camel@imap.mvista.com> (raw)
In-Reply-To: <20061227212555.GA14947@elte.hu>
On Wed, 2006-12-27 at 22:25 +0100, Ingo Molnar wrote:
> * Daniel Walker <dwalker@mvista.com> wrote:
>
> > I got some scheduling while atomic on x86-64 , and since x86-64
> > doesn't seem to have HIGHMEM there's no workaround for kmap_atomic() .
> >
> > This patch adds the same as i386 HIGHMEM for !HIGHMEM.
>
> the problem is that this does not disable pagefaulting while
> kmap-atomic. Could you try the patch below, does it solve the assert?
>
That goes for the other CONFIG_HIGHMEM changes also? I mean if we can't
do it here we shouldn't do it else where..
(note, I just used testscripts/ltpstress.sh from LTP to reproduce this.)
Daniel
next prev parent reply other threads:[~2006-12-27 21:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-27 19:35 Daniel Walker
2006-12-27 20:54 ` Ingo Molnar
2006-12-27 21:04 ` Daniel Walker
2006-12-27 21:25 ` Ingo Molnar
2006-12-27 21:31 ` Ingo Molnar
2006-12-27 21:37 ` Daniel Walker
2006-12-27 21:41 ` Ingo Molnar
2006-12-27 21:36 ` Daniel Walker [this message]
2006-12-27 21:54 ` Daniel Walker
2006-12-28 0:05 ` Daniel Walker
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