All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Howells <dhowells@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: dhowells@redhat.com, Andrew Morton <akpm@linux-foundation.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Roland McGrath <roland@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm 3/3] proc: make task_sig() lockless
Date: Tue, 23 Mar 2010 08:37:29 +0000	[thread overview]
Message-ID: <15829.1269333449@redhat.com> (raw)
In-Reply-To: <20100322184136.GA3967@redhat.com>

Oleg Nesterov <oleg@redhat.com> wrote:

> task_sig() doesn't need ->siglock.

Except that the data returned might then be inconsistent because you don't
hold a lock as you read the various bits of it.

David

  parent reply	other threads:[~2010-03-23  8:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-22 18:41 [PATCH -mm 3/3] proc: make task_sig() lockless Oleg Nesterov
2010-03-23  8:30 ` David Howells
2010-03-23  8:37 ` David Howells [this message]
2010-03-23 10:57   ` Oleg Nesterov
2010-03-24  8:37     ` David Howells
2010-03-24 15:00       ` Oleg Nesterov
2010-04-09 19:59     ` Roland McGrath
2010-04-10  8:16       ` David Howells
2010-04-12 19:50       ` Oleg Nesterov
2010-04-13  6:30         ` Roland McGrath
2010-04-13 20:00           ` Oleg Nesterov

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=15829.1269333449@redhat.com \
    --to=dhowells@redhat.com \
    --cc=adobriyan@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=ebiederm@xmission.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=oleg@redhat.com \
    --cc=roland@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.