diff options
| author | Eduardo Habkost <ehabkost@redhat.com> | 2008-07-08 15:07:05 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 11:03:45 +0200 |
| commit | a8fc1089e49caa5dca346dfacb5c84abf9a22a0c (patch) | |
| tree | 96867d58309f72cbcce52c260dd8187ff05de013 /arch/x86/xen/enlighten.c | |
| parent | 45eb0d889862c813dfc98c95549c25acbfc99ab8 (diff) | |
xen64: implement xen_load_gs_index()
xen-64: implement xen_load_gs_index()
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen/enlighten.c')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 52f2292672c4..3b6b7fcf5b55 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -385,6 +385,14 @@ static void xen_load_tls(struct thread_struct *t, unsigned int cpu) loadsegment(gs, 0); } +#ifdef CONFIG_X86_64 +static void xen_load_gs_index(unsigned int idx) +{ + if (HYPERVISOR_set_segment_base(SEGBASE_GS_USER_SEL, idx)) + BUG(); +} +#endif + static void xen_write_ldt_entry(struct desc_struct *dt, int entrynum, const void *ptr) { @@ -1063,6 +1071,9 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = { .load_gdt = xen_load_gdt, .load_idt = xen_load_idt, .load_tls = xen_load_tls, +#ifdef CONFIG_X86_64 + .load_gs_index = xen_load_gs_index, +#endif .store_gdt = native_store_gdt, .store_idt = native_store_idt, |