From: Andi Kleen <andi@firstfloor.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org, xfs@oss.sgi.com,
"Ryan C. England" <ryan.england@corvidtec.com>
Subject: Re: XFS causing stack overflow
Date: Sun, 11 Dec 2011 01:00:36 +0100 [thread overview]
Message-ID: <20111211000036.GH24062@one.firstfloor.org> (raw)
In-Reply-To: <20111210221345.GG14273@dastard>
> Where does the x86-64 do the interrupt stack switch?
in entry_64.S
>
> I know the x86 32 bit interrupt handler switches to an irq/softirq
> context stack, but the 64 bit one doesn't appear to. Indeed,
> arch/x86/kernel/irq_{32,64}.c are very different, and only the 32
> bit irq handler switches to another stack to process the
> interrupts...
x86-64 always used interrupt stacks and has used softirq stacks
for a long time. 32bit got to it much later (the only good
thing left from that 4k stack "experiment")
-Andi
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-12-11 0:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAAnfqPAm559m-Bv8LkHARm7iBW5Kfs7NmjTFidmg-idhcOq4sQ@mail.gmail.com>
2011-12-09 11:55 ` XFS causing stack overflow Christoph Hellwig
2011-12-09 15:56 ` Ryan C. England
2011-12-09 22:19 ` Dave Chinner
[not found] ` <20111209221956.GE14273__25752.826271537$1323469420$gmane$org@dastard>
2011-12-10 19:52 ` Andi Kleen
2011-12-10 22:13 ` Dave Chinner
2011-12-11 0:00 ` Andi Kleen [this message]
2011-12-11 23:05 ` Dave Chinner
2011-12-12 2:31 ` Andi Kleen
2011-12-12 4:36 ` Dave Chinner
2011-12-12 5:13 ` Andi Kleen
2011-12-12 9:00 ` Dave Chinner
2011-12-12 13:43 ` Ryan C. England
2011-12-12 22:47 ` Dave Chinner
[not found] ` <20111209115513.GA19994__23079.9863501035$1323435203$gmane$org@infradead.org>
2011-12-09 19:53 ` Andi Kleen
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=20111211000036.GH24062@one.firstfloor.org \
--to=andi@firstfloor.org \
--cc=david@fromorbit.com \
--cc=hch@infradead.org \
--cc=linux-mm@kvack.org \
--cc=ryan.england@corvidtec.com \
--cc=xfs@oss.sgi.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;
as well as URLs for NNTP newsgroup(s).