linux-kernel - Re: 2.6.23-rc8-mm2: problems on HP nx6325

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200709272149.00195.rjw@sisk.pl>
Date:	Thu, 27 Sep 2007 21:48:59 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 2.6.23-rc8-mm2: problems on HP nx6325

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@...k.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.

> > 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.

Greetings,
Rafael
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/