[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] Extra check in grant table code for mapping of shared frame
ping… Thanks, Andres On Sep 13, 2012, at 11:27 AM, Andres Lagar-Cavilla wrote: > xen/common/grant_table.c | 9 ++++++--- > 1 files changed, 6 insertions(+), 3 deletions(-) > > > Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx> > > diff -r 5ce5b53ea68f -r 40b91bed1275 xen/common/grant_table.c > --- a/xen/common/grant_table.c > +++ b/xen/common/grant_table.c > @@ -649,9 +649,12 @@ __gnttab_map_grant_ref( > } > else if ( owner == rd || owner == dom_cow ) > { > - if ( gnttab_host_mapping_get_page_type(op, ld, rd) && > - !get_page_type(pg, PGT_writable_page) ) > - goto could_not_pin; > + if ( gnttab_host_mapping_get_page_type(op, ld, rd) ) > + { > + if ( (owner == dom_cow) || > + !get_page_type(pg, PGT_writable_page) ) > + goto could_not_pin; > + } > > nr_gets++; > if ( op->flags & GNTMAP_host_map ) _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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