aboutsummaryrefslogtreecommitdiff
path: root/xen-mapcache.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2016-12-21 00:31:36 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2017-01-16 17:52:35 +0100
commit0987d735a3a42c92f6e7e0caa8bab1b0139e3b54 (patch)
tree82eee4bc187b2e03305b67b89c0476142d88431b /xen-mapcache.c
parentfb5e19d2e1472e96d72d5e4d89c20033f8ab345c (diff)
downloadqemu-arm-0987d735a3a42c92f6e7e0caa8bab1b0139e3b54.tar.gz
ramblock-notifier: new
This adds a notify interface of ram block additions and removals. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'xen-mapcache.c')
-rw-r--r--xen-mapcache.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/xen-mapcache.c b/xen-mapcache.c
index 8f3a592013..31debdfb2c 100644
--- a/xen-mapcache.c
+++ b/xen-mapcache.c
@@ -163,6 +163,7 @@ static void xen_remap_bucket(MapCacheEntry *entry,
err = g_malloc0(nb_pfn * sizeof (int));
if (entry->vaddr_base != NULL) {
+ ram_block_notify_remove(entry->vaddr_base, entry->size);
if (munmap(entry->vaddr_base, entry->size) != 0) {
perror("unmap fails");
exit(-1);
@@ -188,6 +189,7 @@ static void xen_remap_bucket(MapCacheEntry *entry,
entry->valid_mapping = (unsigned long *) g_malloc0(sizeof(unsigned long) *
BITS_TO_LONGS(size >> XC_PAGE_SHIFT));
+ ram_block_notify_add(entry->vaddr_base, entry->size);
bitmap_zero(entry->valid_mapping, nb_pfn);
for (i = 0; i < nb_pfn; i++) {
if (!err[i]) {
@@ -397,6 +399,7 @@ static void xen_invalidate_map_cache_entry_unlocked(uint8_t *buffer)
}
pentry->next = entry->next;
+ ram_block_notify_remove(entry->vaddr_base, entry->size);
if (munmap(entry->vaddr_base, entry->size) != 0) {
perror("unmap fails");
exit(-1);