All of lore.kernel.org
 help / color / mirror / Atom feed
From: Cong Wang <amwang@redhat.com>
To: Veaceslav Falico <vfalico@redhat.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net,
	Neil Horman <nhorman@tuxdriver.com>
Subject: Re: [PATCH] netconsole: release the spinlock before __netpoll_cleanup()
Date: Wed, 06 Mar 2013 22:51:21 +0800	[thread overview]
Message-ID: <1362581481.4435.23.camel@cr0> (raw)
In-Reply-To: <1362581203-8994-1-git-send-email-vfalico@redhat.com>

On Wed, 2013-03-06 at 15:46 +0100, Veaceslav Falico wrote:
> Commit 3335f0ca130c201f8680e97f63612053fbc16e22 removed spinlock unlocking
> before __netpoll_cleanup() in netconsole_netdev_event(), however we still
> might sleep in __netpoll_cleanup() - via synchronize_srcu(). Revert it and
> add a comment.
> 

synchronize_srcu() was actually introduced by Neil:

commit ca99ca14c95ae49fb4c9cd3abf5f84d11a7e8a61
Author: Neil Horman <nhorman@tuxdriver.com>
Date:   Tue Feb 5 08:05:43 2013 +0000

    netpoll: protect napi_poll and poll_controller during dev_[open|
close]

Cc'ing him.

  reply	other threads:[~2013-03-06 14:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-06 14:46 [PATCH] netconsole: release the spinlock before __netpoll_cleanup() Veaceslav Falico
2013-03-06 14:51 ` Cong Wang [this message]
2013-03-07  0:08 ` Neil Horman
2013-03-07 10:03   ` Veaceslav Falico
2013-03-07 14:43     ` Neil Horman
2013-03-07 21:14     ` David Miller
2013-03-10 15:25       ` Veaceslav Falico
2013-03-11 10:08         ` Veaceslav Falico
2013-03-11 11:30           ` Neil Horman
2013-03-11 11:39             ` Veaceslav Falico
2013-03-11 17:58               ` Neil Horman

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=1362581481.4435.23.camel@cr0 \
    --to=amwang@redhat.com \
    --cc=davem@davemloft.net \
    --cc=netdev@vger.kernel.org \
    --cc=nhorman@tuxdriver.com \
    --cc=vfalico@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.