Module Name: src
Committed By: cherry
Date: Sat Aug 6 21:06:34 UTC 2011
Modified Files:
src/sys/arch/i386/i386 [cherry-xenmp]: machdep.c
Log Message:
Update cpu local GDT entries for TLS registers %gs and %fs
To generate a diff of this commit:
cvs rdiff -u -r1.702.2.2 -r1.702.2.3 src/sys/arch/i386/i386/machdep.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/i386/i386/machdep.c
diff -u src/sys/arch/i386/i386/machdep.c:1.702.2.2 src/sys/arch/i386/i386/machdep.c:1.702.2.3
--- src/sys/arch/i386/i386/machdep.c:1.702.2.2 Sun Jul 31 20:49:10 2011
+++ src/sys/arch/i386/i386/machdep.c Sat Aug 6 21:06:34 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.c,v 1.702.2.2 2011/07/31 20:49:10 cherry Exp $ */
+/* $NetBSD: machdep.c,v 1.702.2.3 2011/08/06 21:06:34 cherry Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2000, 2004, 2006, 2008, 2009
@@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.702.2.2 2011/07/31 20:49:10 cherry Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.702.2.3 2011/08/06 21:06:34 cherry Exp $");
#include "opt_beep.h"
#include "opt_compat_ibcs2.h"
@@ -560,6 +560,12 @@
HYPERVISOR_stack_switch(GSEL(GDATA_SEL, SEL_KPL), pcb->pcb_esp0);
+ /* Update TLS segment pointers */
+ update_descriptor(&ci->ci_gdt[GUFS_SEL],
+ (union descriptor *) &pcb->pcb_fsd);
+ update_descriptor(&ci->ci_gdt[GUGS_SEL],
+ (union descriptor *) &pcb->pcb_gsd);
+
physop.cmd = PHYSDEVOP_SET_IOPL;
physop.u.set_iopl.iopl = pcb->pcb_iopl;
HYPERVISOR_physdev_op(&physop);
