From aec17eed364ed64c51c77088f43a64f229a5a5c0 Mon Sep 17 00:00:00 2001
From: Victor Sun <victor.sun@intel.com>
Date: Sat, 28 Apr 2018 20:59:01 +0800
Subject: [PATCH] HV cleanup: move iobitmap ini out of loop

The initial of iobitmap pointer should be moved out of loop since address
is sequentially incremented.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
---
 arch/x86/io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/io.c b/arch/x86/io.c
index 932fd8f5e..4f7bf87dd 100644
--- a/arch/x86/io.c
+++ b/arch/x86/io.c
@@ -212,8 +212,8 @@ static void deny_guest_io_access(struct vm *vm, uint32_t address, uint32_t nbyte
 	uint32_t i;
 	uint32_t a;
 
+	b = vm->arch_vm.iobitmap[0];
 	for (i = 0; i < nbytes; i++) {
-		b = vm->arch_vm.iobitmap[0];
 		if (address & 0x8000)
 			b = vm->arch_vm.iobitmap[1];
 		a = address & 0x7fff;