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openSUSE:Step:15
qemu.18973
0007-PPC-KVM-Disable-mmu-notifier-check.patch
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File 0007-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu.18973
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 e60ad94a429e2d73e19cda41139f..7496b39f3bf3667d0a822c800ddd 100644 --- a/exec.c +++ b/exec.c @@ -1976,11 +1976,13 @@ 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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