From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
paulmck <paulmck@kernel.org>, Boqun Feng <boqun.feng@gmail.com>,
Arjun Roy <arjunroy@google.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>
Subject: Re: [PATCH v3 0/3] rseq: minor optimizations
Date: Tue, 13 Apr 2021 16:40:33 -0400 (EDT) [thread overview]
Message-ID: <1447691783.73957.1618346433394.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <20210413203352.71350-1-eric.dumazet@gmail.com>
----- On Apr 13, 2021, at 4:33 PM, Eric Dumazet eric.dumazet@gmail.com wrote:
> From: Eric Dumazet <edumazet@google.com>
>
> rseq is a heavy user of copy to/from user data in fast paths.
> This series tries to reduce the cost.
>
> v3: Third patch going back to v1 (only deal with 64bit arches)
> v2: Addressed Peter and Mathieu feedbacks, thanks !
For the whole series:
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Thanks Eric!
Mathieu
>
> Eric Dumazet (3):
> rseq: optimize rseq_update_cpu_id()
> rseq: remove redundant access_ok()
> rseq: optimise rseq_get_rseq_cs() and clear_rseq_cs()
>
> kernel/rseq.c | 29 +++++++++++++++++++++--------
> 1 file changed, 21 insertions(+), 8 deletions(-)
>
> --
> 2.31.1.295.g9ea45b61b8-goog
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
next prev parent reply other threads:[~2021-04-13 20:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-13 20:33 [PATCH v3 0/3] rseq: minor optimizations Eric Dumazet
2021-04-13 20:33 ` [PATCH v3 1/3] rseq: optimize rseq_update_cpu_id() Eric Dumazet
2021-04-15 8:37 ` [tip: sched/core] rseq: Optimize rseq_update_cpu_id() tip-bot2 for Eric Dumazet
2021-04-13 20:33 ` [PATCH v3 2/3] rseq: remove redundant access_ok() Eric Dumazet
2021-04-15 8:37 ` [tip: sched/core] rseq: Remove " tip-bot2 for Eric Dumazet
2021-04-13 20:33 ` [PATCH v3 3/3] rseq: optimise rseq_get_rseq_cs() and clear_rseq_cs() Eric Dumazet
2021-04-15 8:37 ` [tip: sched/core] rseq: Optimise " tip-bot2 for Eric Dumazet
2021-04-13 20:40 ` Mathieu Desnoyers [this message]
2021-04-14 7:51 ` [PATCH v3 0/3] rseq: minor optimizations Peter Zijlstra
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=1447691783.73957.1618346433394.JavaMail.zimbra@efficios.com \
--to=mathieu.desnoyers@efficios.com \
--cc=arjunroy@google.com \
--cc=boqun.feng@gmail.com \
--cc=edumazet@google.com \
--cc=eric.dumazet@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=paulmck@kernel.org \
--cc=peterz@infradead.org \
/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;
as well as URLs for NNTP newsgroup(s).