linux-kernel - Re: [PATCH v4 10/24] crypto: x86/poly

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Message-ID: <Y4nEcV4w3eOEFYze@gondor.apana.org.au>
Date:   Fri, 2 Dec 2022 17:25:05 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     "Elliott, Robert (Servers)" <elliott@....com>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "tim.c.chen@...ux.intel.com" <tim.c.chen@...ux.intel.com>,
        "ap420073@...il.com" <ap420073@...il.com>,
        "ardb@...nel.org" <ardb@...nel.org>,
        "David.Laight@...lab.com" <David.Laight@...lab.com>,
        "ebiggers@...nel.org" <ebiggers@...nel.org>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 10/24] crypto: x86/poly - limit FPU preemption

On Fri, Dec 02, 2022 at 06:21:02AM +0000, Elliott, Robert (Servers) wrote:
>
> I'll keep testing this to make sure RCU stalls stay away, and apply
> the approach to the other algorithms.

Thanks for doing all the hard work!

BTW, just a minor nit but you can delete the cond_resched() call
because kernel_fpu_end()/preempt_enable() will do it anyway.

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