public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] generic ipi function calls: wait on alloc failure fallback
Date: Sun, 06 Jul 2008 10:21:44 -0700	[thread overview]
Message-ID: <4870FF28.80904@goop.org> (raw)
In-Reply-To: <4870ECBA.7050901@goop.org>

Jeremy Fitzhardinge wrote:
> When a GFP_ATOMIC allocation fails, smp_call_function_mask falls back
> to allocating the data on the stack and converting it to a waiting call.
>
> Make sure we actually wait in this case. 

Unfortunately this doesn't solve my crash, though it may account for 
some of them.

The oops I'm looking at at the moment is a NULL pointer on ->next of the 
rcu list in generic_smp_call_function_interrupt()...

    J

  reply	other threads:[~2008-07-06 17:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-06 14:50 Generic callfunction IPI problems Jeremy Fitzhardinge
2008-07-06 16:03 ` [PATCH] generic ipi function calls: wait on alloc failure fallback Jeremy Fitzhardinge
2008-07-06 17:21   ` Jeremy Fitzhardinge [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-07-15 20:22 Jeremy Fitzhardinge
2008-07-15 21:48 ` Ingo Molnar
2008-07-15 22:01   ` Jeremy Fitzhardinge
2008-07-18 22:19     ` Ingo Molnar
2008-07-18 22:42       ` Jeremy Fitzhardinge

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=4870FF28.80904@goop.org \
    --to=jeremy@goop.org \
    --cc=jens.axboe@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    /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