Re: [PATCH v1 2/3] locking/pvqspinlock, hv: Enable PV qspinlock for Hyper-V

[Thomas Gleixner]

On Thu, 13 Sep 2018, Yi Sun wrote:
> +#include <asm/mshyperv.h>
>  
>  /* representing HT siblings of each logical CPU */
>  DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_sibling_map);
> @@ -1335,6 +1336,7 @@ void __init native_smp_prepare_boot_cpu(void)
>       /* already set me in cpu_online_mask in boot_cpu_init() */
>       cpumask_set_cpu(me, cpu_callout_mask);
>       cpu_set_state_online(me);
> +     hv_init_spinlocks();

No. We have smp_ops.smp_prepare_boot_cpu for that.

Thanks,

        tglx