From: Barry Song <21cnbao@gmail.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Miller <davem@davemloft.net>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-crypto@vger.kernel.org, Linux-MM <linux-mm@kvack.org>,
Nhat Pham <nphamcs@gmail.com>,
Yosry Ahmed <yosryahmed@google.com>,
Chengming Zhou <zhouchengming@bytedance.com>,
Chris Li <chriscli@google.com>, Chris Li <chrisl@kernel.org>,
Dan Streetman <ddstreet@ieee.org>,
LKML <linux-kernel@vger.kernel.org>,
Seth Jennings <sjenning@redhat.com>,
Vitaly Wool <vitaly.wool@konsulko.com>,
Barry Song <v-songbaohua@oppo.com>,
Yang Shen <shenyang39@huawei.com>,
Zhou Wang <wangzhou1@hisilicon.com>,
Tom Zanussi <tom.zanussi@linux.intel.com>
Subject: Re: [PATCH v4 1/3] crypto: introduce crypto_acomp_get_alg_flags to expose algorithm flags
Date: Tue, 20 Feb 2024 18:25:44 +1300 [thread overview]
Message-ID: <CAGsJ_4xgAT-02ejSxPe+B2+3m8XVzSL2o--=O-gCFx54KMdPqQ@mail.gmail.com> (raw)
In-Reply-To: <ZdQ0Bfw82Uzsv7cK@gondor.apana.org.au>
On Tue, Feb 20, 2024 at 6:09 PM Herbert Xu <herbert@gondor.apana.org.au> wrote:
>
> On Tue, Feb 20, 2024 at 06:05:16PM +1300, Barry Song wrote:
> >
> > So it could be something like:
> > if data is short, acomp driver works by polling; if data is
> > long, acomp driver works by sleeping and waiting.
>
> This sort of logic is specific to each piece of hardware and
> should go into the driver.
>
> There is no reason why an async driver cannot return synchronously.
> The API fully supports this mode of operation.
Nice to know! Thanks for clarification.
>
> Cheers,
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Thanks
Barry
next prev parent reply other threads:[~2024-02-20 5:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-20 2:55 [PATCH v4 0/3] mm/zswap & crypto/compress: remove a couple of memcpy Barry Song
2024-02-20 2:55 ` [PATCH v4 1/3] crypto: introduce crypto_acomp_get_alg_flags to expose algorithm flags Barry Song
2024-02-20 4:13 ` Herbert Xu
2024-02-20 5:05 ` Barry Song
2024-02-20 5:09 ` Herbert Xu
2024-02-20 5:25 ` Barry Song [this message]
2024-02-20 2:55 ` [PATCH v4 2/3] mm/zswap: remove the memcpy if acomp is not sleepable Barry Song
2024-02-20 2:55 ` [PATCH v4 3/3] crypto: scompress: remove memcpy if sg_nents is 1 Barry Song
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAGsJ_4xgAT-02ejSxPe+B2+3m8XVzSL2o--=O-gCFx54KMdPqQ@mail.gmail.com' \
--to=21cnbao@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=chriscli@google.com \
--cc=chrisl@kernel.org \
--cc=davem@davemloft.net \
--cc=ddstreet@ieee.org \
--cc=hannes@cmpxchg.org \
--cc=herbert@gondor.apana.org.au \
--cc=linux-crypto@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=nphamcs@gmail.com \
--cc=shenyang39@huawei.com \
--cc=sjenning@redhat.com \
--cc=tom.zanussi@linux.intel.com \
--cc=v-songbaohua@oppo.com \
--cc=vitaly.wool@konsulko.com \
--cc=wangzhou1@hisilicon.com \
--cc=yosryahmed@google.com \
--cc=zhouchengming@bytedance.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox