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ple_exits
2009 Jul 07
0
[PATCH] [VMX] Add support for Pause-Loop Exiting
...c
===================================================================
--- hv.orig/xen/arch/x86/hvm/vmx/vmx.c
+++ hv/xen/arch/x86/hvm/vmx/vmx.c
@@ -2617,6 +2617,13 @@ asmlinkage void vmx_vmexit_handler(struc
break;
}
+ case EXIT_REASON_PAUSE_INSTRUCTION:
+ {
+ perfc_incr(ple_exits);
+ do_sched_op_compat(SCHEDOP_yield, 0);
+ break;
+ }
+
default:
exit_and_crash:
gdprintk(XENLOG_ERR, "Bad vmexit (reason %x)\n", exit_reason);
Index: hv/xen/include/asm-x86/hvm/vmx/vmcs.h
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