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qemu/0007-PPC-KVM-Disable-mmu-notifier-check.patch
Bruce Rogers fbc8207b73 Accepting request 655897 from Virtualization:Staging
Update to qemu 3.1.0-rc5. Is almost certainly the last rc, so should be same as 3.1.0 final. Putting into devel project 'early' because of SLE and Leap needs, not to get into Factory early. Look for the final 3.1 within a week.

OBS-URL: https://build.opensuse.org/request/show/655897
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=433
2018-12-06 21:20:59 +00:00

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From bf070e1f26c07b7d1a03fcaacda190646e76e19c 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.
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 bb6170dbff..6ca259efaa 100644
--- a/exec.c
+++ b/exec.c
@@ -2248,11 +2248,13 @@ 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) {
/*