summaryrefslogtreecommitdiffstats
path: root/drivers/lguest/lguest.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/lguest/lguest.c')
-rw-r--r--drivers/lguest/lguest.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/lguest/lguest.c b/drivers/lguest/lguest.c
index fb17d2757be..524beea7fb1 100644
--- a/drivers/lguest/lguest.c
+++ b/drivers/lguest/lguest.c
@@ -323,9 +323,12 @@ static void lguest_write_gdt_entry(struct desc_struct *dt,
* __thread variables). So we have a hypercall specifically for this case. */
static void lguest_load_tls(struct thread_struct *t, unsigned int cpu)
{
+ /* There's one problem which normal hardware doesn't have: the Host
+ * can't handle us removing entries we're currently using. So we clear
+ * the GS register here: if it's needed it'll be reloaded anyway. */
+ loadsegment(gs, 0);
lazy_hcall(LHCALL_LOAD_TLS, __pa(&t->tls_array), cpu, 0);
}
-/*:*/
/*G:038 That's enough excitement for now, back to ploughing through each of
* the paravirt_ops (we're about 1/3 of the way through).