From 6d6dd7491108432c66e414a299c6807ecb3a3eb4 Mon Sep 17 00:00:00 2001
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Thu, 2 Apr 2009 01:46:57 +0000
Subject: [PATCH] Reduce code duplcations from r190620.  While I am here, tweak
 a comment.

---
 sys/amd64/acpica/acpi_switch.S | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/amd64/acpica/acpi_switch.S b/sys/amd64/acpica/acpi_switch.S
index 2274c85ec547..892dd11c47a5 100644
--- a/sys/amd64/acpica/acpi_switch.S
+++ b/sys/amd64/acpica/acpi_switch.S
@@ -67,9 +67,7 @@ ENTRY(acpi_restorecpu)
 	/* Force kernel segment registers. */
 	movl	$KDSEL, %eax
 	movw	%ax, %ds
-	movl	$KDSEL, %eax
 	movw	%ax, %es
-	movl	$KDSEL, %eax
 	movw	%ax, %ss
 	movl	$KUF32SEL, %eax
 	movw	%ax, %fs
@@ -132,7 +130,7 @@ ENTRY(acpi_restorecpu)
 #define	SDT_SYSTSS	9
 #define	SDT_SYSBSY	11
 
-	/* Reset task busy bit and reload TR. */
+	/* Clear "task busy" bit and reload TR. */
 	movq	PCPU(TSS), %rax
 	andb	$(~SDT_SYSBSY | SDT_SYSTSS), 5(%rax)
 	movw	WAKEUP_XPCB(TR), %ax