summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/apic/x2apic_uv_x.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_uv_x.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index b5059050b46f..ec940add783e 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -1303,7 +1303,8 @@ static int __init decode_uv_systab(void)
struct uv_systab *st;
int i;
- if (uv_hub_info->hub_revision < UV4_HUB_REVISION_BASE)
+ /* If system is uv3 or lower, there is no extended UVsystab */
+ if (is_uv_hubbed(0xfffffe) < uv(4) && is_uv_hubless(0xfffffe) < uv(4))
return 0; /* No extended UVsystab required */
st = uv_systab;
@@ -1554,8 +1555,15 @@ static __init int uv_system_init_hubless(void)
/* Init kernel/BIOS interface */
rc = uv_bios_init();
+ if (rc < 0)
+ return rc;
- /* Create user access node if UVsystab available */
+ /* Process UVsystab */
+ rc = decode_uv_systab();
+ if (rc < 0)
+ return rc;
+
+ /* Create user access node */
if (rc >= 0)
uv_setup_proc_files(1);