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accel/kvm: Convert to ram_block_discard_disable()

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Discarding memory does not work as expected. At the time this is called,
we cannot have anyone active that relies on discards to work properly.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200626072248.78761-5-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
David Hildenbrand 2020-06-26 09:22:31 +02:00 committed by Michael S. Tsirkin
parent aff92b8286
commit 956b109fe3
1 changed files with 2 additions and 2 deletions
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4
accel/kvm/kvm-all.c
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@ -40,7 +40,6 @@
#include "trace.h"
#include "hw/irq.h"
#include "sysemu/sev.h"
#include "sysemu/balloon.h"
#include "qapi/visitor.h"
#include "qapi/qapi-types-common.h"
#include "qapi/qapi-visit-common.h"
@ -2229,7 +2228,8 @@ static int kvm_init(MachineState *ms)
s->sync_mmu = !!kvm_vm_check_extension(kvm_state, KVM_CAP_SYNC_MMU);
if (!s->sync_mmu) {
qemu_balloon_inhibit(true);
ret = ram_block_discard_disable(true);
assert(!ret);
}
return 0;