netdev - Re: sha512: make it work, undo percpu message schedule

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Message-ID: <20120115014339.GB27370@gondor.apana.org.au>
Date:	Sun, 15 Jan 2012 12:43:39 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-crypto@...r.kernel.org, netdev@...r.kernel.org,
	ken@...elabs.ch
Subject: Re: sha512: make it work, undo percpu message schedule

On Fri, Jan 13, 2012 at 12:02:55PM +0100, Steffen Klassert wrote:
>
> If we want to do dynamic memory allocation, we could place it to the
> shash_desc context where we already store the intermediate digest value.
> This is preallocated anyway, so we don't need to do another allocation.

The problem with that is that some call paths place shash_desc on
the stack too.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.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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