From f1206641ef4a8cb7a7b15b75e8cfdc7c6bfaf213 Mon Sep 17 00:00:00 2001 From: Tony Luck Date: Wed, 28 Jun 2006 09:55:13 -0700 Subject: [IA64] palinfo.c: s/register_cpu_notifier/register_hotcpu_notifier/ Chandra Seetharaman missed one place in commit: 65edc68c345cbe21d0b0375c3452a3ed5e322868 [but it only shows up when building the ski simulator configuration of ia64, so thats understandable] Signed-off-by: Tony Luck --- arch/ia64/kernel/palinfo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; } -- cgit v1.2.2 From 9d56d878ae12dbb9af744cec2858ed35dffde2b2 Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Thu, 27 Apr 2006 20:01:05 -0500 Subject: [IA64-SGI] - Pass OS logical cpu number to the SN prom (bios) Pass the OS logical cpu number to the PROM. This allows PROM to log the OS logical cpu number in error records viewed thru POD. Signed-off-by: Jack Steiner Signed-off-by: Tony Luck --- arch/ia64/sn/kernel/setup.c | 10 ++++++++-- include/asm-ia64/sn/sn_sal.h | 10 ++++++++++ 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 93577abae36d..97579348a549 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -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 @@ -596,6 +597,12 @@ void __init sn_cpu_init(void) BUG(); 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/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 */ -- cgit v1.2.2 From 59e2e6892087ba05101f86309a23c4f5a3ac04a6 Mon Sep 17 00:00:00 2001 From: Tony Luck Date: Tue, 27 Jun 2006 15:32:24 -0700 Subject: [IA64] tiger_defconfig s/NR_CPUS=4/NR_CPUS=16/ Montecito is coming with dual core and threading, so this four socket box can now have sixteen logical cpus. Signed-off-by: Tony Luck --- arch/ia64/configs/tiger_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 -- cgit v1.2.2 From d3e5e1a1b4f43bcfa1a34516e233911487c67307 Mon Sep 17 00:00:00 2001 From: Aaron Young Date: Wed, 28 Jun 2006 08:34:55 -0700 Subject: [IA64-SGI] fix prom revision checks in SN kernel The following patch fixes two spots in the SN kernel that check a fixed prom revision number to determine prom feature support. These checks are only valid on shub1 systems. They are invalid on shub2 systems which have a different prom with different revision numbers. Signed-off-by: Aaron Young Signed-off-by: Tony Luck --- arch/ia64/sn/kernel/setup.c | 2 +- arch/ia64/sn/pci/tioca_provider.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 97579348a549..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; 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__); -- cgit v1.2.2