Author: kib
Date: Fri Jan 15 22:19:51 2010
New Revision: 202421
URL: http://svn.freebsd.org/changeset/base/202421
Log:
MFC r201890:
Set md_ldt after md_ldt_sd is populated.
Modified:
stable/8/sys/amd64/amd64/sys_machdep.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/amd64/amd64/sys_machdep.c
==============================================================================
--- stable/8/sys/amd64/amd64/sys_machdep.c Fri Jan 15 21:45:55 2010
(r202420)
+++ stable/8/sys/amd64/amd64/sys_machdep.c Fri Jan 15 22:19:51 2010
(r202421)
@@ -420,13 +420,14 @@ user_ldt_alloc(struct proc *p, int force
return (pldt);
}
- mdp->md_ldt = new_ldt;
if (pldt != NULL) {
bcopy(pldt->ldt_base, new_ldt->ldt_base, max_ldt_segment *
sizeof(struct user_segment_descriptor));
user_ldt_derefl(pldt);
}
ssdtosyssd(&sldt, &p->p_md.md_ldt_sd);
+ atomic_store_rel_ptr((volatile uintptr_t *)&mdp->md_ldt,
+ (uintptr_t)new_ldt);
if (p == curproc)
set_user_ldt(mdp);
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