RE: [PATCH] x86 page fault handler not interrupt safe

[Anton Altaparmakov <aia21@cam.ac.uk>]

At 18:32 07/05/2001, Dunlap, Randy wrote:
> > From: David Woodhouse [mailto:dwmw2@infradead.org]
> >
> > torvalds@transmeta.com said:
> > >  If anybody has such a beast, please try this kernel patch _and_
> > > running the F0 0F bug-producing program (search for it on the 'net -
> > > it must be out there somewhere) to verify that the code still
> > > correctly handles that case.
> >
> > Something along the lines of:
> >
> > echo "unsigned long main=0xf00fc7c8;" > f00fbug.c ; make f00fbug
>
>Yes, that's what the (SGI) program uses:
>http://lwn.net/2001/0329/a/ltp-f00f.php3

That's not quite what they do. David's SGI equivalent would be:

echo "unsigned long main=0xc8c70ff0;" > f00fbug.c ; make f00fbug

i.e. remember that ia32 is little endian.

Thanks for the link.

Best regards,

Anton


-- 
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Linux NTFS Maintainer / WWW: http://sourceforge.net/projects/linux-ntfs/
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