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kvm: Use inhibit to prevent ballooning without synchronous mmu

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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>
This commit is contained in:
Alex Williamson 2018-08-17 09:27:15 -06:00
parent 01ccbec7bd
commit f59489423a
2 changed files with 5 additions and 3 deletions
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4
accel/kvm/kvm-all.c
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@ -39,6 +39,7 @@
#include "trace.h"
#include "hw/irq.h"
#include "sysemu/sev.h"
#include "sysemu/balloon.h"
#include "hw/boards.h"
@ -1698,6 +1699,9 @@ static int kvm_init(MachineState *ms)
s->many_ioeventfds = kvm_check_many_ioeventfds();
s->sync_mmu = !!kvm_vm_check_extension(kvm_state, KVM_CAP_SYNC_MMU);
if (!s->sync_mmu) {
qemu_balloon_inhibit(true);
}
return 0;