[Xen-devel] [V1 PATCH 1/3] pvh: early return from hvm_hap_nested_page_fault

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

pvh does not support nested hvm at present. As such, return if pvh.

Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
---
 xen/arch/x86/hvm/hvm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 69f7e74..a4a3dcf 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1416,6 +1416,9 @@ int hvm_hap_nested_page_fault(paddr_t gpa,
     int sharing_enomem = 0;
     mem_event_request_t *req_ptr = NULL;
 
+    if ( is_pvh_vcpu(v) )
+        return 0;
+
     /* On Nested Virtualization, walk the guest page table.
      * If this succeeds, all is fine.
      * If this fails, inject a nested page fault into the guest.
-- 
1.8.3.1


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