lkml.org 
[lkml]   [2007]   [Sep]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.6.23-rc8-mm2: problems on HP nx6325
On Thu, 27 Sep 2007 21:48:59 +0200 Rafael J. Wysocki wrote:

> On Thursday, 27 September 2007 21:19, Sam Ravnborg wrote:
> > On Thu, Sep 27, 2007 at 10:33:51AM -0700, Randy Dunlap wrote:
> > > On Thu, 27 Sep 2007 18:53:46 +0200 Sam Ravnborg wrote:
> > >
> > > > Hi Rafael.
> > > > >
> > > > > Fix CPU hotplug breakage on HP nx6325 and similar boxes caused by a reference
> > > > > to disable_apic_timer (labeled as __initdata) from the CPU initialization code.
> > > > >
> > > > > Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> > > > > ---
> > > > > arch/x86_64/kernel/apic.c | 2 +-
> > > > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > > >
> > > > > Index: linux-2.6.23-rc8-mm2/arch/x86_64/kernel/apic.c
> > > > > ===================================================================
> > > > > --- linux-2.6.23-rc8-mm2.orig/arch/x86_64/kernel/apic.c
> > > > > +++ linux-2.6.23-rc8-mm2/arch/x86_64/kernel/apic.c
> > > > > @@ -42,7 +42,7 @@
> > > > >
> > > > > int apic_verbosity;
> > > > > static int apic_calibrate_pmtmr __initdata;
> > > > > -int disable_apic_timer __initdata;
> > > > > +int disable_apic_timer __cpuinitdata;
> > > > >
> > > > This is with your configuration a reference from a .text section
> > > > to a .init.data section as I see it.
> > > >
> > > > So this ought to have been flagged by the section mismatch
> > > > checks in modpost.
> > > >
> > > > I assume you did not see such warning??
> > >
> > > I did:
>
> But I didn't. I'm not sure why.

I did only on one build machine (multiple times). I tried
to reproduce it on another machine and could not. I blame
different build tools.

> > > WARNING: vmlinux.o(.text+0x7778): Section mismatch: reference to .init.data:disable_apic_timer (between 'identify_cpu' and 'IRQ0x20_interrupt')
> >
> > Thanks. I look forward to the day I can make them errors so people
> > cannot ignore them.
> > That said a lot of individuals has done a very good job getting
> > rid of section mismatch warnings all over the kernel.
>
> Yes.


---
~Randy
Phaedrus says that Quality is about caring.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-27 21:43    [W:0.097 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site