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-rw-r--r--arch/x86/xen/p2m.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 952edef..ffd08c4 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -570,6 +570,21 @@ static bool __init early_alloc_p2m(unsigned long pfn)
}
return true;
}
+bool __init early_set_phys_to_machine(unsigned long pfn, unsigned long mfn)
+{
+ if (unlikely(!__set_phys_to_machine(pfn, mfn))) {
+ if (!early_alloc_p2m(pfn))
+ return false;
+
+ if (!early_alloc_p2m_middle(pfn, false /* boundary crossover OK!*/))
+ return false;
+
+ if (!__set_phys_to_machine(pfn, mfn))
+ return false;
+ }
+
+ return true;
+}
unsigned long __init set_phys_range_identity(unsigned long pfn_s,
unsigned long pfn_e)
{
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