On Thu, 2011-09-22 at 23:14 +0100, Daniel De Graaf wrote:
> diff --git a/tools/libxc/xenctrlosdep.h b/tools/libxc/xenctrlosdep.h
> index bfe46e0..1c6317e 100644
> --- a/tools/libxc/xenctrlosdep.h
> +++ b/tools/libxc/xenctrlosdep.h
> @@ -105,20 +105,12 @@ struct xc_osdep_ops
> int (*unmask)(xc_evtchn *xce, xc_osdep_handle h, evtchn_port_t
> port);
> } evtchn;
> struct {
> - void *(*map_grant_ref)(xc_gnttab *xcg, xc_osdep_handle h,
> - uint32_t domid,
> - uint32_t ref,
> - int prot);
> - void *(*map_grant_refs)(xc_gnttab *xcg, xc_osdep_handle h,
> - uint32_t count,
> - uint32_t *domids,
> - uint32_t *refs,
> - int prot);
> - void *(*map_domain_grant_refs)(xc_gnttab *xcg, xc_osdep_handle h,
> - uint32_t count,
> - uint32_t domid,
> - uint32_t *refs,
> - int prot);
> +#define XC_GRANT_MAP_SINGLE_DOMAIN 0x1
> + void *(*grant_map)(xc_gnttab *xcg, xc_osdep_handle h,
> + uint32_t count, int flags, int prot,
> + uint32_t *domids, uint32_t *refs,
> + uint32_t notify_offset,
> + evtchn_port_t notify_port);
> int (*munmap)(xc_gnttab *xcg, xc_osdep_handle h,
> void *start_address,
> uint32_t count);
Not specifically to do with this patch but I wonder if we should try and
figure a way to version these shared libraries somehow, otherwise
changes like this lead to segfault at best and unexpected non-crashing
behaviour at worst (for out of tree backends that is).
Something as simple as checksumming the xenctrlosdep.h header and
including the value in the .so to be checked at load time would do the
trick.
Ian.
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