Messages in this thread | | | Date | Thu, 26 Jan 2012 15:07:04 +1100 | From | Herbert Xu <> | Subject | Re: Crypto Fixes for 3.3 |
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On Wed, Jan 25, 2012 at 07:35:19PM -0800, Linus Torvalds wrote: > > Ugh. This once more has the crazy signed integer modulus operator, > which can be quite expensive depending on whether the compiler can > tell whether it is always positive or not.
Oops, I had incorrectly applied the first patch in the thread.
I've fixed it in the tree now.
> We also avoid the problem with absolutely horrible gcc register usage > by having an arch-specific "accessor macro":
We could certainly do something like that. Although I'd be more comfortable with pushing this through linux-next, OK?
Please pull from
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
or
master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
Alexey Dobriyan (2): crypto: sha512 - make it work, undo percpu message schedule crypto: sha512 - reduce stack usage to safe number
Herbert Xu (1): crypto: sha512 - Use binary and instead of modulus
crypto/sha512_generic.c | 62 +++++++++++++++++++++++++--------------------- 1 files changed, 34 insertions(+), 28 deletions(-)
Thanks, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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