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PR/41401 CVS commit: src/sys/arch

The following reply was made to PR port-xen/41401; it has been noted by GNATS.

From: Manuel Bouyer <>
Subject: PR/41401 CVS commit: src/sys/arch
Date: Sun, 17 May 2009 18:24:24 +0000

 Module Name:   src
 Committed By:  bouyer
 Date:          Sun May 17 18:24:24 UTC 2009
 Modified Files:
        src/sys/arch/i386/i386: gdt.c
        src/sys/arch/i386/include: segments.h
        src/sys/arch/x86/x86: sys_machdep.c
 Log Message:
 on Xen the GDT has to be updated though HYPERVISOR_update_descriptor().
 Export i386/i386/gdt.c:update_descriptor() and use it in x86_set_sdbase(),
 as a direct write to the GDT will cause a kernel trap.
 Fix PR port-xen/41401.
 To generate a diff of this commit:
 cvs rdiff -u -r1.47 -r1.48 src/sys/arch/i386/i386/gdt.c
 cvs rdiff -u -r1.52 -r1.53 src/sys/arch/i386/include/segments.h
 cvs rdiff -u -r1.18 -r1.19 src/sys/arch/x86/x86/sys_machdep.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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