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qemu.12771
0007-PPC-KVM-Disable-mmu-notifier-check.patch
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File 0007-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu.12771
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. Signed-off-by: Bruce Rogers <brogers@suse.com> --- exec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/exec.c b/exec.c index df5571eb3d..d43e997275 100644 --- a/exec.c +++ b/exec.c @@ -2250,11 +2250,13 @@ RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, MemoryRegion *mr, return NULL; } +#ifndef TARGET_PPC if (kvm_enabled() && !kvm_has_sync_mmu()) { error_setg(errp, "host lacks kvm mmu notifiers, -mem-path unsupported"); return NULL; } +#endif if (phys_mem_alloc != qemu_anon_ram_alloc) { /*
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