diff options
| -rw-r--r-- | tools/tests/xen-access/xen-access.c | 5 | ||||
| -rw-r--r-- | tools/xenpaging/xenpaging.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/tests/xen-access/xen-access.c b/tools/tests/xen-access/xen-access.c index fce886432a..b861aff323 100644 --- a/tools/tests/xen-access/xen-access.c +++ b/tools/tests/xen-access/xen-access.c @@ -269,6 +269,11 @@ xenaccess_t *xenaccess_init(xc_interface **xch_r, domid_t domain_id) (mem_event_sring_t *)xenaccess->mem_event.ring_page, PAGE_SIZE); + /* Now that the ring is set, remove it from the guest's physmap */ + if ( xc_domain_decrease_reservation_exact(xch, + xenaccess->mem_event.domain_id, 1, 0, &ring_pfn) ) + PERROR("Failed to remove ring from guest physmap"); + /* Get platform info */ xenaccess->platform_info = malloc(sizeof(xc_platform_info_t)); if ( xenaccess->platform_info == NULL ) diff --git a/tools/xenpaging/xenpaging.c b/tools/xenpaging/xenpaging.c index b9ba00fa11..5c1cd81ecc 100644 --- a/tools/xenpaging/xenpaging.c +++ b/tools/xenpaging/xenpaging.c @@ -416,6 +416,11 @@ static struct xenpaging *xenpaging_init(int argc, char *argv[]) (mem_event_sring_t *)paging->mem_event.ring_page, PAGE_SIZE); + /* Now that the ring is set, remove it from the guest's physmap */ + if ( xc_domain_decrease_reservation_exact(xch, + paging->mem_event.domain_id, 1, 0, &ring_pfn) ) + PERROR("Failed to remove ring from guest physmap"); + /* Get max_pages from guest if not provided via cmdline */ if ( !paging->max_pages ) { |