diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/bios_uv.c | 20 |
2 files changed, 21 insertions, 14 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 4b8dbb25614..3740c8a4eae 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -5,7 +5,7 @@ * * SGI UV APIC functions (note: not an Intel compatible APIC) * - * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2007-2009 Silicon Graphics, Inc. All rights reserved. */ #include <linux/cpumask.h> #include <linux/hardirq.h> @@ -488,7 +488,7 @@ static void uv_heartbeat(unsigned long ignored) static void __cpuinit uv_heartbeat_enable(int cpu) { - if (!uv_cpu_hub_info(cpu)->scir.enabled) { + while (!uv_cpu_hub_info(cpu)->scir.enabled) { struct timer_list *timer = &uv_cpu_hub_info(cpu)->scir.timer; uv_set_cpu_scir_bits(cpu, SCIR_CPU_HEARTBEAT|SCIR_CPU_ACTIVITY); @@ -496,11 +496,10 @@ static void __cpuinit uv_heartbeat_enable(int cpu) timer->expires = jiffies + SCIR_CPU_HB_INTERVAL; add_timer_on(timer, cpu); uv_cpu_hub_info(cpu)->scir.enabled = 1; - } - /* check boot cpu */ - if (!uv_cpu_hub_info(0)->scir.enabled) - uv_heartbeat_enable(0); + /* also ensure that boot cpu is enabled */ + cpu = 0; + } } #ifdef CONFIG_HOTPLUG_CPU @@ -704,8 +703,8 @@ void __init uv_system_init(void) } uv_bios_init(); - uv_bios_get_sn_info(0, &uv_type, &sn_partition_id, - &sn_coherency_id, &sn_region_size); + uv_bios_get_sn_info(0, &uv_type, &sn_partition_id, &sn_coherency_id, + &sn_region_size, &system_serial_number); uv_rtc_init(); for_each_present_cpu(cpu) { diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index 575127a6e35..8bc57baaa9a 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -15,8 +15,8 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. - * Copyright (c) Russ Anderson + * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) Russ Anderson <rja@sgi.com> */ #include <linux/efi.h> @@ -30,6 +30,7 @@ static struct uv_systab uv_systab; s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5) { struct uv_systab *tab = &uv_systab; + s64 ret; if (!tab->function) /* @@ -37,9 +38,11 @@ s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5) */ return BIOS_STATUS_UNIMPLEMENTED; - return efi_call6((void *)__va(tab->function), - (u64)which, a1, a2, a3, a4, a5); + ret = efi_call6((void *)__va(tab->function), (u64)which, + a1, a2, a3, a4, a5); + return ret; } +EXPORT_SYMBOL_GPL(uv_bios_call); s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5) @@ -73,11 +76,14 @@ long sn_coherency_id; EXPORT_SYMBOL_GPL(sn_coherency_id); long sn_region_size; EXPORT_SYMBOL_GPL(sn_region_size); +long system_serial_number; +EXPORT_SYMBOL_GPL(system_serial_number); int uv_type; +EXPORT_SYMBOL_GPL(uv_type); s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher, - long *region) + long *region, long *ssn) { s64 ret; u64 v0, v1; @@ -97,8 +103,11 @@ s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher, *coher = part.coherence_id; if (region) *region = part.region_size; + if (ssn) + *ssn = v1; return ret; } +EXPORT_SYMBOL_GPL(uv_bios_get_sn_info); int uv_bios_mq_watchlist_alloc(unsigned long addr, unsigned int mq_size, @@ -204,4 +213,3 @@ void uv_bios_init(void) void uv_bios_init(void) { } #endif - |