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qemu
PPC-KVM-Disable-mmu-notifier-check.patch
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File 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. 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 ffdb5185353bdbacc613d4730228..0d0c0618bb70f9747c71048f5cde 100644 --- a/exec.c +++ b/exec.c @@ -2291,11 +2291,13 @@ 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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