From: Benjamin Herrenschmidt <benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
To: Linux Fbdev development list
<linux-fbdev-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Cc: Jan Kasprzak <kas-0hYGf3jDe+XrBKCeMvbIDA@public.gmane.org>,
Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
jt-yAE0UhLNZJawPNPzzlOzwdBPR1lH4CV8@public.gmane.org,
javier-UOFnMJzu7Pp1eVVWpSVkNqxOck334EZe@public.gmane.org,
acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux1394-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
roland-nF87da4h5whBDgjK7y7TUQ@public.gmane.org,
Linux Kernel list
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [Linux-fbdev-devel] Re: inappropriate use of in_atomic()
Date: Fri, 11 Mar 2005 23:26:13 +1100 [thread overview]
Message-ID: <1110543974.5809.98.camel@gaston> (raw)
In-Reply-To: <20050311014601.166ae43d.akpm-3NddpPZAyC0@public.gmane.org>
On Fri, 2005-03-11 at 01:46 -0800, Andrew Morton wrote:
> Jan Kasprzak <kas-0hYGf3jDe+XrBKCeMvbIDA@public.gmane.org> wrote:
> >
> > This may be the cause of
> >
> > http://bugme.osdl.org/show_bug.cgi?id=4150
>
> Looks that way, yes.
Note that it would be interesting to fix that (I mean the reliability of
is_atomic() or an alternative). I agree it's quite bad to rely on that
in practice, but there are a few corner cases where it's useful (like
oops handling in fbdev's etc...)
Ben.
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WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linux Fbdev development list <linux-fbdev-devel@lists.sourceforge.net>
Cc: Jan Kasprzak <kas@fi.muni.cz>, Paul Mackerras <paulus@samba.org>,
jt@bougret.hpl.hp.com, javier@tudela.mad.ttd.net,
acpi-devel@lists.sourceforge.net,
linux1394-devel@lists.sourceforge.net, roland@topspin.com,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [Linux-fbdev-devel] Re: [ACPI] inappropriate use of in_atomic()
Date: Fri, 11 Mar 2005 23:26:13 +1100 [thread overview]
Message-ID: <1110543974.5809.98.camel@gaston> (raw)
In-Reply-To: <20050311014601.166ae43d.akpm@osdl.org>
On Fri, 2005-03-11 at 01:46 -0800, Andrew Morton wrote:
> Jan Kasprzak <kas@fi.muni.cz> wrote:
> >
> > This may be the cause of
> >
> > http://bugme.osdl.org/show_bug.cgi?id=4150
>
> Looks that way, yes.
Note that it would be interesting to fix that (I mean the reliability of
is_atomic() or an alternative). I agree it's quite bad to rely on that
in practice, but there are a few corner cases where it's useful (like
oops handling in fbdev's etc...)
Ben.
next prev parent reply other threads:[~2005-03-11 12:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-11 4:40 inappropriate use of in_atomic() Andrew Morton
2005-03-11 4:40 ` Andrew Morton
2005-03-11 4:53 ` Roland Dreier
2005-03-11 12:38 ` Arjan van de Ven
2005-03-11 6:25 ` Stephen Rothwell
2005-03-11 6:25 ` Stephen Rothwell
[not found] ` <20050310204006.48286d17.akpm-3NddpPZAyC0@public.gmane.org>
2005-03-11 9:11 ` Jan Kasprzak
2005-03-11 9:11 ` [ACPI] " Jan Kasprzak
2005-03-11 9:46 ` Andrew Morton
2005-03-11 9:46 ` Andrew Morton
[not found] ` <20050311014601.166ae43d.akpm-3NddpPZAyC0@public.gmane.org>
2005-03-11 12:26 ` Benjamin Herrenschmidt [this message]
2005-03-11 12:26 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-12 0:13 ` Andrew Morton
2005-03-12 0:13 ` Andrew Morton
2005-03-12 0:22 ` Benjamin Herrenschmidt
2005-03-12 0:22 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-05-31 0:20 ` Adrian Bunk
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