2016-10-14 20:40+0800, Peter Xu:
> Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
> ---
> lib/x86/smp.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/lib/x86/smp.c b/lib/x86/smp.c
> index 1eb49f2..bb74087 100644
> --- a/lib/x86/smp.c
> +++ b/lib/x86/smp.c
> @@ -111,8 +111,13 @@ void on_cpu_async(int cpu, void (*function)(void *data), void *data)
> void smp_init(void)
> {
> int i;
> + bool smp_inited = false;
Missing "static".
The first two patches are just for sanity and not needed in the series?
> void ipi_entry(void);
>
> + if (smp_inited) {
> + return;
> + }
> +
> _cpu_count = fwcfg_get_nb_cpus();
>
> setup_idt();
> @@ -122,4 +127,5 @@ void smp_init(void)
> for (i = 1; i < cpu_count(); ++i)
> on_cpu(i, setup_smp_id, 0);
>
> + smp_inited = true;
> }
> --
> 2.7.4
>
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