From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Linux/PPC Development <linuxppc-dev@ozlabs.org>,
Aaron Tokhy <atokhy@gmail.com>
Subject: Re: [PROBLEM] Soft lockup on Linux 2.6.27, 2 patches, Cell/PPC64
Date: Thu, 16 Oct 2008 07:53:09 +1100 [thread overview]
Message-ID: <1224103989.8157.469.camel@pasglop> (raw)
In-Reply-To: <Pine.LNX.4.64.0810151355470.1133@vixen.sonytel.be>
On Wed, 2008-10-15 at 14:05 +0200, Geert Uytterhoeven wrote:
> I guess it's auto-enabled when the decrementer interrupt handler exits?
> So shouldn't there be a `bl trace_hardirqs_on' somewhere?
The interrupts are restored to their previous state on exit of
interrupts via the TRACE_AND_RESTORE_IRQ() macro which is called
from entry_64.S in the main restore path and in head_64.S in the
fast path and hashing faults.
Cheers,
Ben.
prev parent reply other threads:[~2008-10-15 20:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-12 4:32 [PROBLEM] Soft lockup on Linux 2.6.27, 2 patches, Cell/PPC64 Aaron Tokhy
2008-10-13 7:58 ` Geert Uytterhoeven
2008-10-14 9:32 ` Geert Uytterhoeven
2008-10-15 4:49 ` Benjamin Herrenschmidt
2008-10-15 9:25 ` Geert Uytterhoeven
2008-10-15 9:28 ` Benjamin Herrenschmidt
2008-10-15 9:46 ` Geert Uytterhoeven
2008-10-15 11:37 ` Benjamin Herrenschmidt
2008-10-15 11:46 ` Geert Uytterhoeven
2008-10-15 11:49 ` Benjamin Herrenschmidt
2008-10-15 12:05 ` Geert Uytterhoeven
2008-10-15 20:53 ` Benjamin Herrenschmidt [this message]
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=1224103989.8157.469.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=Geert.Uytterhoeven@sonycom.com \
--cc=atokhy@gmail.com \
--cc=linuxppc-dev@ozlabs.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).