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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-28 15:00:49 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-28 15:00:49 -0700
commit873d8898b7f6aeb4f2085381dbc201d68a37d02b (patch)
treed32bde1302927f2a2b026d4b03fa77598ac8563e
parentd9a5685436b0dd08a6386a2f9423103cb4689dbc (diff)
parentd3e5e1a1b4f43bcfa1a34516e233911487c67307 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64-SGI] fix prom revision checks in SN kernel [IA64] tiger_defconfig s/NR_CPUS=4/NR_CPUS=16/ [IA64-SGI] - Pass OS logical cpu number to the SN prom (bios) [IA64] palinfo.c: s/register_cpu_notifier/register_hotcpu_notifier/
-rw-r--r--arch/ia64/configs/tiger_defconfig2
-rw-r--r--arch/ia64/kernel/palinfo.c2
-rw-r--r--arch/ia64/sn/kernel/setup.c12
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c2
-rw-r--r--include/asm-ia64/sn/sn_sal.h10
5 files changed, 22 insertions, 6 deletions
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index 766bf4955432..9d1cffb57cde 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -114,7 +114,7 @@ CONFIG_IA64_CYCLONE=y
CONFIG_IOSAPIC=y
CONFIG_FORCE_MAX_ZONEORDER=17
CONFIG_SMP=y
-CONFIG_NR_CPUS=4
+CONFIG_NR_CPUS=16
CONFIG_HOTPLUG_CPU=y
CONFIG_PERMIT_BSP_REMOVE=y
CONFIG_FORCE_CPEI_RETARGET=y
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 303a9afcf2a1..8a1208419138 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -998,7 +998,7 @@ palinfo_init(void)
}
/* Register for future delivery via notify registration */
- register_cpu_notifier(&palinfo_cpu_notifier);
+ register_hotcpu_notifier(&palinfo_cpu_notifier);
return 0;
}
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 93577abae36d..3bfccf354343 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -458,7 +458,7 @@ void __init sn_setup(char **cmdline_p)
* support here so we don't have to listen to failed keyboard probe
* messages.
*/
- if (version <= 0x0209 && acpi_kbd_controller_present) {
+ if (is_shub1() && version <= 0x0209 && acpi_kbd_controller_present) {
printk(KERN_INFO "Disabling legacy keyboard support as prom "
"is too old and doesn't provide FADT\n");
acpi_kbd_controller_present = 0;
@@ -577,7 +577,8 @@ void __init sn_cpu_init(void)
int i;
static int wars_have_been_checked;
- if (smp_processor_id() == 0 && IS_MEDUSA()) {
+ cpuid = smp_processor_id();
+ if (cpuid == 0 && IS_MEDUSA()) {
if (ia64_sn_is_fake_prom())
sn_prom_type = 2;
else
@@ -597,6 +598,12 @@ void __init sn_cpu_init(void)
sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2;
/*
+ * Don't check status. The SAL call is not supported on all PROMs
+ * but a failure is harmless.
+ */
+ (void) ia64_sn_set_cpu_number(cpuid);
+
+ /*
* The boot cpu makes this call again after platform initialization is
* complete.
*/
@@ -607,7 +614,6 @@ void __init sn_cpu_init(void)
if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
break;
- cpuid = smp_processor_id();
cpuphyid = get_sapicid();
if (ia64_sn_get_sapic_info(cpuphyid, &nasid, &subnode, &slice))
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 20de72791b97..e4aa839d0189 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -595,7 +595,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
/* sanity check prom rev */
- if (sn_sal_rev() < 0x0406) {
+ if (is_shub1() && sn_sal_rev() < 0x0406) {
printk
(KERN_ERR "%s: SGI prom rev 4.06 or greater required "
"for tioca support\n", __FUNCTION__);
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index cd490b20d592..bd4452bda357 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -85,6 +85,7 @@
#define SN_SAL_GET_PROM_FEATURE_SET 0x02000065
#define SN_SAL_SET_OS_FEATURE_SET 0x02000066
#define SN_SAL_INJECT_ERROR 0x02000067
+#define SN_SAL_SET_CPU_NUMBER 0x02000068
/*
* Service-specific constants
@@ -1150,4 +1151,13 @@ sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
local_irq_restore(irq_flags);
return ret_stuff.status;
}
+
+static inline int
+ia64_sn_set_cpu_number(int cpu)
+{
+ struct ia64_sal_retval rv;
+
+ SAL_CALL_NOLOCK(rv, SN_SAL_SET_CPU_NUMBER, cpu, 0, 0, 0, 0, 0, 0);
+ return rv.status;
+}
#endif /* _ASM_IA64_SN_SN_SAL_H */