Re: [patch 13/18] extable: Adjust system_state checks

Steven Rostedt
2017-05-15T14:37:58Z

On Sun, 14 May 2017 20:27:29 +0200
Thomas Gleixner <tglx@linutronix.de> wrote:

> To enable smp_processor_id() and might_sleep() debug checks earlier, it's
> required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.
>
> Adjust the system_state check in core_kernel_text() to handle the extra
> states, i.e. to cover init text up to the point where the system switches
> to state RUNNING.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

-- Steve

> ---
> kernel/extable.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/kernel/extable.c
> +++ b/kernel/extable.c
> @@ -75,7 +75,7 @@ int core_kernel_text(unsigned long addr)
> addr < (unsigned long)_etext)
> return 1;
>
> - if (system_state == SYSTEM_BOOTING &&
> + if (system_state < SYSTEM_RUNNING &&
> init_kernel_text(addr))
> return 1;
> return 0;
>