Mailing List Archive

# HG changeset patch
# User Ian.Campbell@xensource.com
# Node ID 229c602a075a9fe16cb8797a6d5d718eb2deb18c
# Parent b41e196442712ce92ed482c1310db33354ea7fc8
Allow Xen to truncate x86_32 segment limits to the correct value
rather than hardcoding them in each guest kernel.

Signed-off-by: Ian Campbell <Ian.Campbell@XenSource.com>

diff -r b41e19644271 -r 229c602a075a linux-2.6-xen-sparse/arch/i386/kernel/head-xen.S
--- a/linux-2.6-xen-sparse/arch/i386/kernel/head-xen.S Wed Feb 22 15:02:54 2006
+++ b/linux-2.6-xen-sparse/arch/i386/kernel/head-xen.S Wed Feb 22 15:13:08 2006
@@ -119,17 +119,10 @@
.quad 0x0000000000000000 /* 0x53 reserved */
.quad 0x0000000000000000 /* 0x5b reserved */

-#ifdef CONFIG_X86_PAE
- .quad 0x00cfbb00000067ff /* 0x60 kernel 4GB code at 0x00000000 */
- .quad 0x00cfb300000067ff /* 0x68 kernel 4GB data at 0x00000000 */
- .quad 0x00cffb00000067ff /* 0x73 user 4GB code at 0x00000000 */
- .quad 0x00cff300000067ff /* 0x7b user 4GB data at 0x00000000 */
-#else
- .quad 0x00cfbb000000c3ff /* 0x60 kernel 4GB code at 0x00000000 */
- .quad 0x00cfb3000000c3ff /* 0x68 kernel 4GB data at 0x00000000 */
- .quad 0x00cffb000000c3ff /* 0x73 user 4GB code at 0x00000000 */
- .quad 0x00cff3000000c3ff /* 0x7b user 4GB data at 0x00000000 */
-#endif
+ .quad 0x00cfbb000000ffff /* 0x60 kernel 4GB code at 0x00000000 */
+ .quad 0x00cfb3000000ffff /* 0x68 kernel 4GB data at 0x00000000 */
+ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */
+ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */

.quad 0x0000000000000000 /* 0x80 TSS descriptor */
.quad 0x0000000000000000 /* 0x88 LDT descriptor */

_______________________________________________
Xen-changelog mailing list
Xen-changelog@lists.xensource.com
http://lists.xensource.com/xen-changelog