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.
next prev parent reply other threads:[~2008-10-15 20:53 UTC|newest]
Thread overview: 13+ 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]
-- strict thread matches above, loose matches on Subject: below --
2008-10-13 2:32 Aaron Tokhy
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 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.