Re: [Xen-devel] [PATCHv6 4/5] gnttab: remove unnecessary grant table locks

[Tim Deegan <tim@xxxxxxx>]

At 17:00 +0100 on 22 Apr (1429722035), David Vrabel wrote:
> @@ -2642,8 +2615,6 @@ __gnttab_swap_grant_ref(grant_ref_t ref_a, grant_ref_t 
> ref_b)
>           */
>          return rc;
>  
> -    spin_lock(&gt->lock);
> -

Now that this lock is gone, is anything stopping us racing against
another CPU with ref_a and ref_b the other way around?

Cheers,

Tim.

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