PPC: KVM: Disable mmu notifier check

When using hugetlbfs (which is required for HV mode KVM on 970), we
check for MMU notifiers that on 970 can not be implemented properly.

So disable the check for mmu notifiers on PowerPC guests, making
KVM guests work there, even if possibly racy in some odd circumstances.

1 files changed, 2 insertions, 0 deletions

diff --git a/exec.c b/exec.c
index 8ffde7598..3ac8a823e 100644
--- a/exec.c
+++ b/exec.c
@@ -1230,11 +1230,13 @@ static void *file_ram_alloc(RAMBlock *block,
     int fd = -1;
     int64_t page_size;
 
+#ifndef TARGET_PPC
     if (kvm_enabled() && !kvm_has_sync_mmu()) {
         error_setg(errp,
                    "host lacks kvm mmu notifiers, -mem-path unsupported");
         return NULL;
     }
+#endif
 
     for (;;) {
         fd = open(path, O_RDWR);