linux-kernel - Re: [PATCH] timer: fix section mismatch

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] [day] [month] [year] [list]

Message-ID: <20080119214319.GG29070@uranus.ravnborg.org>
Date:	Sat, 19 Jan 2008 22:43:19 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>, tglx <tglx@...utronix.de>,
	akpm <akpm@...ux-foundation.org>
Subject: Re: [PATCH] timer: fix section mismatch

On Sat, Jan 19, 2008 at 11:57:15AM -0800, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> The caller is __cpuinit.
> Also, this code block and its caller are inside #ifdef CONFIG_HOTPLUG_CPU
> blocks, so this code should reflect that config symbol's usage.
> 
> WARNING: vmlinux.o(.text+0x4252f): Section mismatch: reference to .init.text: (between 'timer_cpu_notify' and 'msleep')
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
Acked-by: Sam Ravnborg <sam@...nborg.org>

Andrew - another 2.6.24 candidate.

With
CONFIG_HOTPLUG=n
CONFIG_HOTPLUG_CPU=y

if the CPU_DEAD, CPU_DEAD_FROZEN happens then we will
call migrate_timers which is _devinit and we just triggered
a nice oops.

	Sam
> ---
>  kernel/timer.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- linux-2.6.24-rc8-git2.orig/kernel/timer.c
> +++ linux-2.6.24-rc8-git2/kernel/timer.c
> @@ -1289,7 +1289,7 @@ static void migrate_timer_list(tvec_base
>  	}
>  }
>  
> -static void __devinit migrate_timers(int cpu)
> +static void __cpuinit migrate_timers(int cpu)
>  {
>  	tvec_base_t *old_base;
>  	tvec_base_t *new_base;
> --
> 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/
--
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/