Re: [PATCH 2/2] kvm: mmu: page_track: Fix RCU list API usage

From: Naresh Kamboju
Date: Sun Jul 19 2020 - 08:23:23 EST


On Sat, 18 Jul 2020 at 05:43, Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:
>
> On Sat, Jul 18, 2020 at 12:35:12AM +0530, Naresh Kamboju wrote:
> > Hi Paul,
> >
> > > I am not seeing this here.
> >
> > Do you notice any warnings while building linux next master
> > for x86_64 architecture ?
>
> Idiot here was failing to enable building of KVM. With that, I do see
> the error. The patch resolves it for me. Does it help for you?

yes.
The below patch applied on top of linux -next 20200717 tag
and build pass.

>
> Thanx, Paul
>
> ------------------------------------------------------------------------
>
> diff --git a/include/linux/rculist.h b/include/linux/rculist.h
> index de9385b..f8633d3 100644
> --- a/include/linux/rculist.h
> +++ b/include/linux/rculist.h
> @@ -73,7 +73,7 @@ static inline void INIT_LIST_HEAD_RCU(struct list_head *list)
> #define __list_check_rcu(dummy, cond, extra...) \
> ({ check_arg_count_one(extra); })
>
> -#define __list_check_srcu(cond) true
> +#define __list_check_srcu(cond) ({ })
> #endif
>
> /*

- Naresh