[Xen-changelog] Fix an operand size bug in the VMX MMIO decoder.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 3ef86b208f9bc3eac63de8c0dfe5f16c0ec47839
# Parent  739154e26fb752caf6496620644e01318b64540a
Fix an operand size bug in the VMX MMIO decoder.

Signed-off-by: Chengyuan Li <chengyuan.li@xxxxxxxxx>

diff -r 739154e26fb7 -r 3ef86b208f9b xen/arch/x86/vmx_platform.c
--- a/xen/arch/x86/vmx_platform.c       Tue Sep 20 09:02:43 2005
+++ b/xen/arch/x86/vmx_platform.c       Tue Sep 20 09:05:03 2005
@@ -671,13 +671,13 @@
     if (inst->operand[0] & REGISTER) { /* dest is memory */
         index = operand_index(inst->operand[0]);
         value = get_reg_value(size, index, 0, regs);
-        send_mmio_req(type, gpa, 1, size, value, IOREQ_WRITE, 0);
+        send_mmio_req(type, gpa, 1, inst->op_size, value, IOREQ_WRITE, 0);
     } else if (inst->operand[0] & IMMEDIATE) { /* dest is memory */
         value = inst->immediate;
-        send_mmio_req(type, gpa, 1, size, value, IOREQ_WRITE, 0);
+        send_mmio_req(type, gpa, 1, inst->op_size, value, IOREQ_WRITE, 0);
     } else if (inst->operand[0] & MEMORY) { /* dest is register */
         /* send the request and wait for the value */
-        send_mmio_req(type, gpa, 1, size, 0, IOREQ_READ, 0);
+        send_mmio_req(type, gpa, 1, inst->op_size, 0, IOREQ_READ, 0);
     } else {
         printf("mmio_operands: invalid operand\n");
         domain_crash_synchronous();

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