diff options
Diffstat (limited to 'drivers/lguest/lguest.c')
| -rw-r--r-- | drivers/lguest/lguest.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/lguest/lguest.c b/drivers/lguest/lguest.c index fb17d2757be9..524beea7fb19 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). |