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openSUSE:Tools:2.3
qemu
0016-PPC-KVM-Disable-mmu-notifier-check..patch
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File 0016-PPC-KVM-Disable-mmu-notifier-check..patch of Package qemu
From 76d0b121e55087e2d2a2bb36905f23dce92e0e6e Mon Sep 17 00:00:00 2001 From: Alexander Graf <agraf@suse.de> Date: Fri, 6 Jan 2012 01:05:55 +0100 Subject: [PATCH] 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 8eda655..6995b48 100644 --- a/exec.c +++ b/exec.c @@ -2504,10 +2504,12 @@ static void *file_ram_alloc(RAMBlock *block, return NULL; } +#ifndef TARGET_PPC if (kvm_enabled() && !kvm_has_sync_mmu()) { fprintf(stderr, "host lacks kvm mmu notifiers, -mem-path unsupported\n"); return NULL; } +#endif if (asprintf(&filename, "%s/qemu_back_mem.XXXXXX", path) == -1) { return NULL;
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