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[XEN PATCH 1/1] xen/x86: drop wrappers of SVM instructions



The new toolchain baseline knows the SVM instructions.

Resolves: xen-project/xen#204

Signed-off-by: Alexander M. Merritt <alexander@xxxxxxxxx>
---
 xen/arch/x86/hvm/svm/svm.h           | 14 +++-----------
 xen/arch/x86/include/asm/asm-defns.h | 12 ------------
 2 files changed, 3 insertions(+), 23 deletions(-)

diff --git a/xen/arch/x86/hvm/svm/svm.h b/xen/arch/x86/hvm/svm/svm.h
index beeaaab4f7..5c5e91a1ac 100644
--- a/xen/arch/x86/hvm/svm/svm.h
+++ b/xen/arch/x86/hvm/svm/svm.h
@@ -23,25 +23,17 @@ void __update_guest_eip(struct cpu_user_regs *regs, 
unsigned int inst_len);
 
 static inline void svm_vmload_pa(paddr_t vmcb)
 {
-    asm volatile (
-        ".byte 0x0f,0x01,0xda" /* vmload */
-        : : "a" (vmcb) : "memory" );
+    asm volatile ( "vmload" : : "a" (vmcb) : "memory" );
 }
 
 static inline void svm_vmsave_pa(paddr_t vmcb)
 {
-    asm volatile (
-        ".byte 0x0f,0x01,0xdb" /* vmsave */
-        : : "a" (vmcb) : "memory" );
+    asm volatile ( "vmsave" : : "a" (vmcb) : "memory" );
 }
 
 static inline void svm_invlpga(unsigned long linear, uint32_t asid)
 {
-    asm volatile (
-        ".byte 0x0f,0x01,0xdf"
-        : /* output */
-        : /* input */
-        "a" (linear), "c" (asid) );
+    asm volatile ( "invlpga" : /* output */ : /* input */ "a" (linear), "c" 
(asid) );
 }
 
 /*
diff --git a/xen/arch/x86/include/asm/asm-defns.h 
b/xen/arch/x86/include/asm/asm-defns.h
index 32d6b44910..5a64b42495 100644
--- a/xen/arch/x86/include/asm/asm-defns.h
+++ b/xen/arch/x86/include/asm/asm-defns.h
@@ -10,18 +10,6 @@
 .endm
 #endif
 
-.macro vmrun
-    .byte 0x0f, 0x01, 0xd8
-.endm
-
-.macro stgi
-    .byte 0x0f, 0x01, 0xdc
-.endm
-
-.macro clgi
-    .byte 0x0f, 0x01, 0xdd
-.endm
-
 /*
  * Call a noreturn function.  This could be JMP, but CALL results in a more
  * helpful backtrace.  BUG is to catch functions which do decide to return...
-- 
2.45.2




 


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