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openSUSE:Maintenance:7448
qemu.openSUSE_Leap_42.3_Update
0010-PPC-KVM-Disable-mmu-notifier-check.patch
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File 0010-PPC-KVM-Disable-mmu-notifier-check.patch of Package qemu.openSUSE_Leap_42.3_Update
From 038bdd543f739043da8e9fa123476b88b15d8a73 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 fcb5b16131..9ef33e4f65 100644 --- a/exec.c +++ b/exec.c @@ -1362,11 +1362,13 @@ static void *file_ram_alloc(RAMBlock *block, int fd = -1; int64_t file_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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