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SubjectRe: [PATCH 01/04] Adding cipher mode context information to crypto_tfm
On Tue, 2005-02-08 at 18:30 -0500, James Morris wrote:
> On Tue, 8 Feb 2005, Fruhwirth Clemens wrote:
> > I shot out the last patch too quickly. Having reviewed the mapping one
> > more time I noticed, that there as the possibility of "off-by-one"
> > unmapping, and instead of doing doubtful guesses, if that's the case, I
> > added a base pointer to scatter_walk, which is the pointer returned by
> > kmap. Exactly this pointer will be unmapped again, so the vaddr
> > comparison in crypto_kunmap doesn't have to do any masking.
> You can't call kmap() in softirq context (why was it even trying?):

Why not? What's the alternative, then?

Fruhwirth Clemens <>
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