netdev - Re: Using the aesni generic gcm(aes) aead in atomic context

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Message-ID: <20171031071729.GA25871@gondor.apana.org.au>
Date:   Tue, 31 Oct 2017 15:17:29 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Ilya Lesokhin <ilyal@...lanox.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "sd@...asysnail.net" <sd@...asysnail.net>,
        Boris Pismenny <borisp@...lanox.com>,
        "davejwatson@...com" <davejwatson@...com>
Subject: Re: Using the aesni generic gcm(aes) aead in atomic context

On Tue, Oct 31, 2017 at 07:14:12AM +0000, Ilya Lesokhin wrote:
>
> However I'm still concerned about the lack of irq_fpu_usable() check.
> and I don't really want to do the check myself outside of the crypto code as it is
> arch specific.

Users of the crypto API shouldn't need to check irq_fpu_usable().
The crypto API should work regardless of what context you're in.

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