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authorAlex Williamson <alex.williamson@redhat.com>2018-08-17 09:27:15 -0600
committerAlex Williamson <alex.williamson@redhat.com>2018-08-17 09:27:15 -0600
commitf59489423ab79852e98d9b3025b7d99ba8da584f (patch)
tree39f33f51aba2d7e59d561314c2d8e751b8483a58 /hw
parent01ccbec7bdf6f89f1b7d46dda05e4c1fd2dd5ade (diff)
kvm: Use inhibit to prevent ballooning without synchronous mmu
Remove KVM specific tests in balloon_page(), instead marking ballooning as inhibited without KVM_CAP_SYNC_MMU support. Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/virtio/virtio-balloon.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 1f7a87f094..b5425080c5 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -21,7 +21,6 @@
#include "hw/mem/pc-dimm.h"
#include "sysemu/balloon.h"
#include "hw/virtio/virtio-balloon.h"
-#include "sysemu/kvm.h"
#include "exec/address-spaces.h"
#include "qapi/error.h"
#include "qapi/qapi-events-misc.h"
@@ -36,8 +35,7 @@
static void balloon_page(void *addr, int deflate)
{
- if (!qemu_balloon_is_inhibited() && (!kvm_enabled() ||
- kvm_has_sync_mmu())) {
+ if (!qemu_balloon_is_inhibited()) {
qemu_madvise(addr, BALLOON_PAGE_SIZE,
deflate ? QEMU_MADV_WILLNEED : QEMU_MADV_DONTNEED);
}