[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2/2] grant_table: convert grant table rwlock to percpu rwlock
>>> On 03.11.15 at 18:58, <malcolm.crossley@xxxxxxxxxx> wrote: > --- a/xen/common/grant_table.c > +++ b/xen/common/grant_table.c > @@ -178,6 +178,10 @@ struct active_grant_entry { > #define _active_entry(t, e) \ > ((t)->active[(e)/ACGNT_PER_PAGE][(e)%ACGNT_PER_PAGE]) > > +bool_t grant_rwlock_barrier; > + > +DEFINE_PER_CPU(rwlock_t *, grant_rwlock); Shouldn't these be per grant table? And wouldn't doing so eliminate the main limitation of the per-CPU rwlocks? Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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