Re: [PATCH] timer: fix section mismatch

From: Sam Ravnborg
Date: Sat Jan 19 2008 - 16:43:21 EST


On Sat, Jan 19, 2008 at 11:57:15AM -0800, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

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;
> --
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