linux-kernel - RE: [PATCH v2 01/13] crypto: acomp - Define two new interfaces for compress/decompress batching.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <SJ0PR11MB5678647BE6A60744D07977D7C9242@SJ0PR11MB5678.namprd11.prod.outlook.com>
Date: Fri, 15 Nov 2024 21:16:54 +0000
From: "Sridhar, Kanchana P" <kanchana.p.sridhar@...el.com>
To: Herbert Xu <herbert@...dor.apana.org.au>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, "hannes@...xchg.org"
	<hannes@...xchg.org>, "yosryahmed@...gle.com" <yosryahmed@...gle.com>,
	"nphamcs@...il.com" <nphamcs@...il.com>, "chengming.zhou@...ux.dev"
	<chengming.zhou@...ux.dev>, "usamaarif642@...il.com"
	<usamaarif642@...il.com>, "ryan.roberts@....com" <ryan.roberts@....com>,
	"Huang, Ying" <ying.huang@...el.com>, "21cnbao@...il.com"
	<21cnbao@...il.com>, "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>, "clabbe@...libre.com"
	<clabbe@...libre.com>, "ardb@...nel.org" <ardb@...nel.org>,
	"ebiggers@...gle.com" <ebiggers@...gle.com>, "surenb@...gle.com"
	<surenb@...gle.com>, "Accardi, Kristen C" <kristen.c.accardi@...el.com>,
	"zanussi@...nel.org" <zanussi@...nel.org>, "Feghali, Wajdi K"
	<wajdi.k.feghali@...el.com>, "Gopal, Vinodh" <vinodh.gopal@...el.com>,
	"Sridhar, Kanchana P" <kanchana.p.sridhar@...el.com>
Subject: RE: [PATCH v2 01/13] crypto: acomp - Define two new interfaces for
 compress/decompress batching.


> -----Original Message-----
> From: Herbert Xu <herbert@...dor.apana.org.au>
> Sent: Friday, November 15, 2024 3:33 AM
> To: Sridhar, Kanchana P <kanchana.p.sridhar@...el.com>
> Cc: linux-kernel@...r.kernel.org; linux-mm@...ck.org;
> hannes@...xchg.org; yosryahmed@...gle.com; nphamcs@...il.com;
> chengming.zhou@...ux.dev; usamaarif642@...il.com;
> ryan.roberts@....com; Huang, Ying <ying.huang@...el.com>;
> 21cnbao@...il.com; akpm@...ux-foundation.org; linux-
> crypto@...r.kernel.org; davem@...emloft.net; clabbe@...libre.com;
> ardb@...nel.org; ebiggers@...gle.com; surenb@...gle.com; Accardi,
> Kristen C <kristen.c.accardi@...el.com>; zanussi@...nel.org; Feghali, Wajdi K
> <wajdi.k.feghali@...el.com>; Gopal, Vinodh <vinodh.gopal@...el.com>
> Subject: Re: [PATCH v2 01/13] crypto: acomp - Define two new interfaces for
> compress/decompress batching.
> 
> On Sat, Nov 02, 2024 at 08:20:59PM -0700, Kanchana P Sridhar wrote:
> > This commit adds batch_compress() and batch_decompress() interfaces to:
> >
> >   struct acomp_alg
> >   struct crypto_acomp
> >
> > This allows the iaa_crypto Intel IAA driver to register implementation for
> > batch_compress() and batch_decompress() API, that can subsequently be
> > invoked from the kernel zswap/zram swap modules to
> compress/decompress
> > up to CRYPTO_BATCH_SIZE (i.e. 8) pages in parallel in the IAA hardware
> > accelerator to improve swapout/swapin performance.
> >
> > Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@...el.com>
> > ---
> >  crypto/acompress.c                  |  2 +
> >  include/crypto/acompress.h          | 82 +++++++++++++++++++++++++++++
> >  include/crypto/internal/acompress.h | 16 ++++++
> >  3 files changed, 100 insertions(+)
> 
> Please take a look at the request chaining patch that I created
> for crypto_ahash.  It should be applicable to acomp as well.
> 
> https://lore.kernel.org/all/677614fbdc70b31df2e26483c8d2cd1510c8af91.1
> 730021644.git.herbert@...dor.apana.org.au/

Thanks for sharing this, Herbert. I will take a look at this as I work on
updates to the IAA compress batching series.

Thanks,
Kanchana

> 
> 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