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List:       drbd-dev
Subject:    Re: [Drbd-dev] [PATCH v6 13/18] wireless/lib80211: Convert from ahash to shash
From:       Kalle Valo <kvalo () codeaurora ! org>
Date:       2018-07-25 8:05:42
Message-ID: 87tvong2p5.fsf () purkki ! adurom ! net
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Johannes Berg <johannes@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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