linux-kernel - Re: [PATCH v5 2/3] crypto: engine - support for parallel requests based on retry mechanism

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Message-ID: <20200424151051.GA26494@gondor.apana.org.au>
Date:   Sat, 25 Apr 2020 01:10:51 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Iuliana Prodan <iuliana.prodan@....com>
Cc:     Baolin Wang <baolin.wang@...aro.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Corentin Labbe <clabbe.montjoie@...il.com>,
        Horia Geanta <horia.geanta@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Ripard <mripard@...nel.org>,
        Aymen Sghaier <aymen.sghaier@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Silvano Di Ninno <silvano.dininno@....com>,
        Franck Lenormand <franck.lenormand@....com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH v5 2/3] crypto: engine - support for parallel requests
 based on retry mechanism

On Fri, Apr 24, 2020 at 02:34:57PM +0000, Iuliana Prodan wrote:
>
> Do you refer to the error codes returned by do_one_request (which sends 
> the req to hw for execution)?
> 
> If this returns:
> 1. 0, success;
> 2. -ENOSPC, I'll requeue it regardless of MAY_BACKLOG;
> 3. any other error (-EIO, -EINVAL, -ENOMEM, etc), I'll requeue only 
> MAY_BACKLOG requests.

Yes that sounds perfect.

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