[Drbd-dev] [PATCH v6 13/18] wireless/lib80211: Convert from ahash to shash
Kalle Valo
kvalo at codeaurora.org
Wed Jul 25 10:05:42 CEST 2018
Johannes Berg <johannes at sipsolutions.net> writes:
> 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.
Yup, I see it in net-next:
d17504b16ea2 wireless/lib80211: Convert from ahash to shash
--
Kalle Valo
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