Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Fri, 25 Nov 2022 10:23:28 +0000
From:   Giovanni Cabiddu <giovanni.cabiddu@intel.com>
To:     Herbert Xu <herbert@gondor.apana.org.au>
CC:     <linux-crypto@vger.kernel.org>, <qat-linux@intel.com>,
        Vlad Dronov <vdronov@redhat.com>
Subject: Re: [PATCH v2 11/11] crypto: qat - add resubmit logic for
 decompression
Message-ID: <Y4CXoOc0uH6njPCO@gcabiddu-mobl1.ger.corp.intel.com>
References: <20221123121032.71991-1-giovanni.cabiddu@intel.com>
 <20221123121032.71991-12-giovanni.cabiddu@intel.com>
 <Y4BKgx2axzqsjWch@gondor.apana.org.au>
 <Y4CO3O21Kx/Ywi6S@gcabiddu-mobl1.ger.corp.intel.com>
 <Y4CRBasSFNhXywKj@gondor.apana.org.au>
 <Y4CTLD7BdfFt5T5X@gcabiddu-mobl1.ger.corp.intel.com>
 <Y4CT61fknX5aNvpa@gondor.apana.org.au>
 <Y4CVjUAvXx9AIBBa@gcabiddu-mobl1.ger.corp.intel.com>
 <Y4CXAXUnfBHcj4sa@gondor.apana.org.au>
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <Y4CXAXUnfBHcj4sa@gondor.apana.org.au>
Organization: Intel Research and Development Ireland Ltd - Co. Reg. #308263 -
 Collinstown Industrial Park, Leixlip, County Kildare - Ireland
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?iLgxasr3h/5hfxYQdLFw1UgYj5I7IQSig8qjSGb8vPnWd+Tw0E5OYpABX5Cc?=
 =?us-ascii?Q?q6fBKVmdZpYZP+7DF7Oi7NsiSHYd8voU0PoeMBLe7ejYG9sHh0OcQEmLC4g2?=
 =?us-ascii?Q?yZwv/u8+VbMNcVZ2SFyJFvxrrEeYkB231ZWU4PjSihQYCAGAVuOlzwuyG4Qf?=
 =?us-ascii?Q?BoqqsOKXw9rsg5frTE8rHLtvB1TXE07piZRqM0GSTcWH0AkUnZXM2w4xt1vt?=
 =?us-ascii?Q?kBreMV2byn+ITOgdiXiQv0Q3qbaVhE4uISH2THUcvZ9GtT5FadQism5ocofw?=
 =?us-ascii?Q?0ZMQGonQlWoYaipu91Ncf3F84s0felKHYfY/kQSqVWJ1oAqDkdhlS8LxwoMX?=
 =?us-ascii?Q?RmYq55fVXDfdfbDnn3MKPn5lS9+XazX/3R8GCfQw159YUUQKjg/2lwkhj3qw?=
 =?us-ascii?Q?+47qA00TiIUfpfO35kYbkkBK+8QJYp1M/wHqt+hi50T261VZLvTAoTq1b3S/?=
 =?us-ascii?Q?B3wCYFYR+bUdtwqdNjhYQ1sLJhNelPEpG8kfGu2mRw9a/U9qEJ1hpL1Vj+je?=
 =?us-ascii?Q?b3Hg46JnvQRR93Vdi9tymJMEWsfdw+mChVp5Oq9U5lIK2gf6sNzLtK/vG/1M?=
 =?us-ascii?Q?9cZQ+BKhRIdjV0vxqKQmltQ8gK7Ig9ABpwGFmPt3+gwDb/+6Yq1HvJ7kbd1e?=
 =?us-ascii?Q?FU4RabFtDsjOPIAGC/PDVRW77zUojm4T130r1OaR54HqdRVNNEwlzTNOaQc+?=
 =?us-ascii?Q?0F3/PwxkrlsouA/8ytxMt9zK5kHNhPWek/7RO9o45i7hTWDxhNabvLyUio/v?=
 =?us-ascii?Q?5xoclcjnmd92YAT7Vv6YF7DN5P0aYc2CauRceslTS4hhE10P+gcomK4hQG0H?=
 =?us-ascii?Q?j84tDTyXC/Mg1G9gYyw/0CWVmzZL+yQs3DCVPCvggTfKOo9qMA9Z9NGGkwCZ?=
 =?us-ascii?Q?glaAHHxO+Abh7u6vwOqa3B07cT7aAzjgFIxtBcpwDEmUNM4EMgcJZvKvcFAx?=
 =?us-ascii?Q?eKLBhOGMCtWSoSj9WqjQ2oJjWNr6HEtVX6XVITY/W/OAjQ8UL3bJmX89k5qx?=
 =?us-ascii?Q?yFkFJPUNock715+sBxQztPtoWPY2ES/MMqYGTlpfjBOBn8Ep/C++KkU6p8TT?=
 =?us-ascii?Q?DgDM8YiVOekBUiTnOFqMkkPv4Ku3ykTEQD7smce67Es/E3qBKYe0Hu+6pk7r?=
 =?us-ascii?Q?d1ga9CT6KPIZmjVBYwNxUpjXz+cHo/3S9V204gwH7dGa6uaqopbPmjKNqBMF?=
 =?us-ascii?Q?3pCSyS0PCkAZrfEAjX9+dtl5nPVPiQGqfI/gs9+B6YVKN1/8Rv+UsVzfrXb/?=
 =?us-ascii?Q?s4op4wwJ9tHvwmChOCtusq8hXZrASBT8myrh17ZzEk1jZ8MyQ9i/DNhp1NSi?=
 =?us-ascii?Q?DBteJPVzNqy4kb6yQJgWn2XDpSuJ0RtVaQRvQ2esDjT1fqc5nuuLKpfMwbck?=
 =?us-ascii?Q?laEwiGhrr5x5kyNk3SJVcyMQcXr4EW5w1/zDwzdA3TRnO9rtK2IqGKnsBmnC?=
 =?us-ascii?Q?NqejUk4GxMOMzLfkIWzkWajGit2pbKe/NfKO/lhSMQt48ElemEDIzZy8ClYy?=
 =?us-ascii?Q?sFRdo+5TRAD13pU+NYnIgnGwauVR00UFJtynNvcpwQo0d9wsRysLHkDR2hWP?=
 =?us-ascii?Q?ypRX3mbrii0+5ZHxEp1H+Rg3iUz7mN5ZPQZm84Y8Yn3V9dgHj932BWhLKIna?=
 =?us-ascii?Q?6g=3D=3D?=
X-MS-Exchange-CrossTenant-Network-Message-Id: cb1a6d1a-2c00-4f14-f5ef-08dacecf1c31
X-MS-Exchange-CrossTenant-AuthSource: CY5PR11MB6366.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2022 10:23:35.4040
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: E0BHLEXL9ouT9DMpCDt0kFzTt3TTPEdYmjEQR8kZeX8Xs3R1Q4zhKHVF7ljxxufeGWARIfdBYqahHeqJuKs7gnH0cVjHZFMwoc4efrs131A=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB6550
X-OriginatorOrg: intel.com
X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI,
        SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-crypto.vger.kernel.org>
X-Mailing-List: linux-crypto@vger.kernel.org

On Fri, Nov 25, 2022 at 06:20:49PM +0800, Herbert Xu wrote:
> On Fri, Nov 25, 2022 at 10:14:37AM +0000, Giovanni Cabiddu wrote:
> >
> > diff --git a/include/crypto/acompress.h b/include/crypto/acompress.h
> > index cb3d6b1c655d..bc16e0208169 100644
> > --- a/include/crypto/acompress.h
> > +++ b/include/crypto/acompress.h
> > @@ -11,6 +11,7 @@
> >  #include <linux/crypto.h>
> > 
> >  #define CRYPTO_ACOMP_ALLOC_OUTPUT      0x00000001
> > +#define CRYPTO_ACOMP_NULL_DST_LIMIT    131072
> 
> How about simply
> 
> 	CRYPTO_ACOMP_DST_MAX
> 
> Even if it isn't enforced strictly, this is basically the ceiling
> on how much effort we are willing to spend on decompressing the
> input.
That's perfect.

Thanks,

-- 
Giovanni