svn commit: r190636 - head/sys/amd64/acpica

[Jung-uk Kim]

Author: jkim
Date: Thu Apr  2 01:46:57 2009
New Revision: 190636
URL: http://svn.freebsd.org/changeset/base/190636

Log:
  Reduce code duplcations from r190620.  While I am here, tweak a comment.

Modified:
  head/sys/amd64/acpica/acpi_switch.S

Modified: head/sys/amd64/acpica/acpi_switch.S
==============================================================================
--- head/sys/amd64/acpica/acpi_switch.S	Thu Apr  2 00:23:56 2009	(r190635)
+++ head/sys/amd64/acpica/acpi_switch.S	Thu Apr  2 01:46:57 2009	(r190636)
@@ -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