xen/22431-p2m-remove-bug-check.patch
Charles Arnold 0c76f22ef1 - Update to Xen 4.0.2 rc2-pre, changeset 21443
- bnc#633573 - System fail to boot after running several warm
  reboot tests
  22749-vtd-workarounds.patch
- Upstream patches from Jan
  22744-ept-pod-locking.patch
  22777-vtd-ats-fixes.patch
  22781-pod-hap-logdirty.patch
  22782-x86-emul-smsw.patch
  22789-i386-no-x2apic.patch
  22790-svm-resume-migrate-pirqs.patch
  22816-x86-pirq-drop-priv-check.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=94
2011-02-04 21:19:54 +00:00

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1.1 KiB
Diff

# HG changeset patch
# User Tim Deegan <Tim.Deegan@citrix.com>
# Date 1290594003 0
# Node ID 79b71c77907b80772ee8cba0c5bbf8e444e61226
# Parent e5c4e925e1bd15baeadc0817dcceb5fff54b8a74
x86/mm: remove incorrect BUG_ON.
This BUG_ON tests a property of an effectively random PFN in the guest,
and is explicitly _not_ seeing the MFN that's known to be owned.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Index: xen-4.0.2-testing/xen/arch/x86/mm/p2m.c
===================================================================
--- xen-4.0.2-testing.orig/xen/arch/x86/mm/p2m.c
+++ xen-4.0.2-testing/xen/arch/x86/mm/p2m.c
@@ -2186,9 +2186,6 @@ guest_physmap_add_entry(struct domain *d
P2M_DEBUG("aliased! mfn=%#lx, old gfn=%#lx, new gfn=%#lx\n",
mfn + i, ogfn, gfn + i);
omfn = gfn_to_mfn_query(d, ogfn, &ot);
- /* If we get here, we know the local domain owns the page,
- so it can't have been grant mapped in. */
- BUG_ON( p2m_is_grant(ot) );
if ( p2m_is_ram(ot) )
{
ASSERT(mfn_valid(omfn));