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qemu.7646
0011-PPC-KVM-Disable-mmu-notifier-check.patch
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File 0011-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu.7646
From c2fe4e3eabb653a8366ca9794f1c8c8fe7774b4f 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 fc7526666f..a50e1488ce 100644 --- a/exec.c +++ b/exec.c @@ -1242,11 +1242,13 @@ static void *file_ram_alloc(RAMBlock *block, int fd = -1; int64_t page_size; +#ifndef TARGET_PPC if (kvm_enabled() && !kvm_has_sync_mmu()) { error_setg(errp, "host lacks kvm mmu notifiers, -mem-path unsupported"); return NULL; } +#endif for (;;) { fd = open(path, O_RDWR);
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