From: Alexey Starikovskiy <astarikovskiy@suse.de>
To: Eric Paris <eparis@redhat.com>
Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
len.brown@intel.com
Subject: Re: BUG: scheduling while atomic in acpi_ps_complete_op
Date: Sat, 22 Aug 2009 01:24:17 +0400 [thread overview]
Message-ID: <4A8F1081.3020803@suse.de> (raw)
In-Reply-To: <1250886352.2168.83.camel@dhcp231-106.rdu.redhat.com>
[-- Attachment #1: Type: text/plain, Size: 518 bytes --]
Eric Paris пишет:
> On Sat, 2009-08-22 at 00:12 +0400, Alexey Starikovskiy wrote:
>> Hi,
>> This should be handled by abe1dfab60e1839d115930286cb421f5a5b193f3.
>
> And yet I'm getting it from linux-next today.
>
> So you are apparently failing the in_atomic_preempt_off() test but
> succeeding in your !irqs_disabled() test.
>
> Something isn't right since I'm hitting it hundreds of times on boot.
>
> -Eric
>
Ok, let's see if replacing irqs_disabled() to
in_atomic_preempt_off() helps...
Regards,
Alex.
[-- Attachment #2: x.patch --]
[-- Type: text/x-diff, Size: 416 bytes --]
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index fcb8e4b..23b262b 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -152,7 +152,7 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
#define ACPI_PREEMPTION_POINT() \
do { \
- if (!irqs_disabled()) \
+ if (!in_atomic_preempt_off()) \
cond_resched(); \
} while (0)
next prev parent reply other threads:[~2009-08-21 21:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-21 16:55 BUG: scheduling while atomic in acpi_ps_complete_op Eric Paris
2009-08-21 20:12 ` Alexey Starikovskiy
2009-08-21 20:12 ` Alexey Starikovskiy
2009-08-21 20:25 ` Eric Paris
2009-08-21 21:24 ` Alexey Starikovskiy [this message]
2009-08-24 14:36 ` Eric Paris
2009-08-24 14:36 ` Eric Paris
2009-08-24 14:50 ` Vegard Nossum
2009-08-24 14:50 ` Vegard Nossum
2009-08-25 21:20 ` Eric Paris
2009-08-26 1:00 ` ykzhao
2009-08-26 11:58 ` Eric Paris
2009-08-26 14:13 ` ykzhao
2009-08-26 18:48 ` Eric Paris
2009-08-26 18:48 ` Eric Paris
2009-08-27 5:39 ` Ming Lei
2009-08-27 5:39 ` Ming Lei
2009-08-26 12:20 ` Eric Paris
2009-08-26 2:12 ` Paul E. McKenney
2009-08-26 2:12 ` Paul E. McKenney
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=4A8F1081.3020803@suse.de \
--to=astarikovskiy@suse.de \
--cc=eparis@redhat.com \
--cc=len.brown@intel.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.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.