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File 0012-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu
From: Alexander Graf <agraf@suse.de> Date: Fri, 6 Jan 2012 01:05:55 +0100 Subject: 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. --- exec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/exec.c b/exec.c index 71ac104..6d31d8f 100644 --- a/exec.c +++ b/exec.c @@ -1108,11 +1108,13 @@ static void *file_ram_alloc(RAMBlock *block, goto error; } +#ifndef TARGET_PPC if (kvm_enabled() && !kvm_has_sync_mmu()) { error_setg(errp, "host lacks kvm mmu notifiers, -mem-path unsupported"); goto error; } +#endif /* Make name safe to use with mkstemp by replacing '/' with '_'. */ sanitized_name = g_strdup(memory_region_name(block->mr));