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[Xen-devel] [PATCH 12/15] x86/traps: Add Hygon Dhyana support



The Hygon Dhyana processor has the methold to get the last exception
source IP from MSR0000_01DD. So add support for it if the boot param
ler is true.

Signed-off-by: Pu Wen <puwen@xxxxxxxx>
---
 xen/arch/x86/traps.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index 05ddc39..bd5c16e 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -1973,6 +1973,8 @@ static unsigned int calc_ler_msr(void)
             return MSR_IA32_LASTINTFROMIP;
         }
         break;
+    case X86_VENDOR_HYGON:
+        return MSR_IA32_LASTINTFROMIP;
     }
 
     return 0;
-- 
2.7.4


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