Messages in this thread | | | Subject | Re: [PATCH v6 13/18] wireless/lib80211: Convert from ahash to shash | From | Johannes Berg <> | Date | Wed, 25 Jul 2018 09:24:53 +0200 |
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On Tue, 2018-07-24 at 09:49 -0700, Kees Cook wrote: > In preparing to remove all stack VLA usage from the kernel[1], this > removes the discouraged use of AHASH_REQUEST_ON_STACK in favor of > the smaller SHASH_DESC_ON_STACK by converting from ahash-wrapped-shash > to direct shash. By removing a layer of indirection this both improves > performance and reduces stack usage. The stack allocation will be made > a fixed size in a later patch to the crypto subsystem. > I think you sent this before - it should be in net-next now.
johannes
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