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ramblock-notifier: new

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This adds a notify interface of ram block additions and removals.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-12-21 00:31:36 +08:00
parent fb5e19d2e1
commit 0987d735a3
6 changed files with 112 additions and 49 deletions
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29
numa.c
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@ -25,6 +25,7 @@
#include "qemu/osdep.h"
#include "sysemu/numa.h"
#include "exec/cpu-common.h"
#include "exec/ramlist.h"
#include "qemu/bitmap.h"
#include "qom/cpu.h"
#include "qemu/error-report.h"
@ -572,3 +573,31 @@ int numa_get_node_for_cpu(int idx)
}
return i;
}
void ram_block_notifier_add(RAMBlockNotifier *n)
{
QLIST_INSERT_HEAD(&ram_list.ramblock_notifiers, n, next);
}
void ram_block_notifier_remove(RAMBlockNotifier *n)
{
QLIST_REMOVE(n, next);
}
void ram_block_notify_add(void *host, size_t size)
{
RAMBlockNotifier *notifier;
QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) {
notifier->ram_block_added(notifier, host, size);
}
}
void ram_block_notify_remove(void *host, size_t size)
{
RAMBlockNotifier *notifier;
QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) {
notifier->ram_block_removed(notifier, host, size);
}
}