From: Blaisorblade <blaisorblade@yahoo.it>
To: Paul Mundt <lethal@linux-sh.org>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net,
linuxsh-shmedia-dev@lists.sourceforge.net, linux-sh@m17n.org,
dhowells@redhat.com
Subject: [uml-devel] Re: [patch 4/8] irq code: Add coherence test for PREEMPT_ACTIVE
Date: Sat, 28 May 2005 13:21:02 +0200 [thread overview]
Message-ID: <200505281321.03246.blaisorblade@yahoo.it> (raw)
In-Reply-To: <20050527033126.GH1329@linux-sh.org>
On Friday 27 May 2005 05:31, Paul Mundt wrote:
> On Fri, May 27, 2005 at 03:06:09AM +0200, Blaisorblade wrote:
> > On Friday 27 May 2005 02:38, blaisorblade@yahoo.it wrote:
> > Ok, a grep shows that possible culprits (i.e. giving success to
> > grep GENERIC_HARDIRQS arch/*/Kconfig, and using 0x4000000 as
> > PREEMPT_ACTIVE, as given by grep PREEMPT_ACTIVE
> > include/asm-*/thread_info.h) are (at a first glance): frv, sh, sh64.
> Yeah, that's bogus for sh and sh64 anyways, this should do it.
> It would be nice to move PRREMPT_ACTIVE so it isn't per-arch anymore,
> there's not many users that use a different value (at least for the ones
> using generic hardirqs, ia64 seems to be the only one?).
Then in the generic headers
#ifndef PREEMPT_ACTIVE
#define PREEMPT_ACTIVE <the right value>
#else
<do the above coherence test>
#endif
Would be ok, right?
--
Paolo Giarrusso, aka Blaisorblade
Skype user "PaoloGiarrusso"
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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next prev parent reply other threads:[~2005-05-28 11:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-27 0:38 [uml-devel] [patch 4/8] irq code: Add coherence test for PREEMPT_ACTIVE blaisorblade
2005-05-27 1:06 ` [uml-devel] " Blaisorblade
2005-05-27 3:31 ` Paul Mundt
2005-05-28 11:21 ` Blaisorblade [this message]
2005-05-27 13:33 ` David Howells
2005-05-28 11:19 ` Blaisorblade
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