[Xen-changelog] Allow Xen to truncate x86_32 segment limits to the correct value

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Ian.Campbell@xxxxxxxxxxxxx
# 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@xxxxxxxxxxxxx>

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 */

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