linux-kernel - Re: [PATCH 3/5] crypto: Reduce default RT priority

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Message-ID: <20190809061923.GM10392@gondor.apana.org.au>
Date:   Fri, 9 Aug 2019 16:19:23 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 3/5] crypto: Reduce default RT priority

On Thu, Aug 01, 2019 at 01:13:51PM +0200, Peter Zijlstra wrote:
> The crypto engine initializes its kworker thread to FIFO-99 (when
> requesting RT priority), reduce this to FIFO-50.
> 
> FIFO-99 is the very highest priority available to SCHED_FIFO and
> it not a suitable default; it would indicate the crypto work is the
> most important work on the machine.
> 
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: linux-crypto@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> ---
>  crypto/crypto_engine.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
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