Re: [PATCH -rt] update kmap_atomic on !HIGHMEM

From: Daniel Walker
Date: Wed Dec 27 2006 - 19:06:31 EST

On Wed, 2006-12-27 at 22:25 +0100, Ingo Molnar wrote:
> * Daniel Walker <dwalker@xxxxxxxxxx> 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?

It hasn't crashed after about an hour of stress.. One comment on the
patch tho , the pagefault_enable/pagefault_disable need module exports,
I saw the build complaining about them.


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