diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/Kconfig | 4 | ||||
-rw-r--r-- | arch/mips/au1000/common/dbdma.c | 2 | ||||
-rw-r--r-- | arch/mips/au1000/common/irq.c | 16 | ||||
-rw-r--r-- | arch/mips/au1000/pb1200/irqmap.c | 2 | ||||
-rw-r--r-- | arch/mips/oprofile/op_model_mipsxx.c | 44 | ||||
-rw-r--r-- | arch/mips/pci/pci-bcm1480.c | 5 | ||||
-rw-r--r-- | arch/s390/kernel/entry.S | 2 | ||||
-rw-r--r-- | arch/s390/kernel/setup.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/devices.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/pcic.c | 8 | ||||
-rw-r--r-- | arch/sparc64/defconfig | 9 | ||||
-rw-r--r-- | arch/sparc64/kernel/isa.c | 2 | ||||
-rw-r--r-- | arch/sparc64/kernel/ldc.c | 15 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 4 | ||||
-rw-r--r-- | arch/sparc64/kernel/smp.c | 5 | ||||
-rw-r--r-- | arch/um/Makefile-i386 | 5 | ||||
-rw-r--r-- | arch/x86/Kconfig | 8 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/intel_cacheinfo.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/nmi_32.c | 3 | ||||
-rw-r--r-- | arch/x86/kernel/nmi_64.c | 3 | ||||
-rw-r--r-- | arch/x86/kernel/topology.c | 5 |
21 files changed, 103 insertions, 49 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 455bd1f560a..c6fc405a6c8 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -714,6 +714,10 @@ config ARCH_HAS_ILOG2_U64 bool default n +config ARCH_SUPPORTS_OPROFILE + bool + default y if !MIPS_MT_SMTC + config GENERIC_FIND_NEXT_BIT bool default y diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 9d6ad43fded..edf91f41a78 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -859,7 +859,7 @@ dbdma_interrupt(int irq, void *dev_id) intstat = dbdma_gptr->ddma_intstat; au_sync(); - chan_index = ffs(intstat); + chan_index = __ffs(intstat); ctp = chan_tab_ptr[chan_index]; cp = ctp->chan_ptr; diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index ddfb7f0a17a..3c7714f057a 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -462,9 +462,9 @@ static void intc0_req0_irqdispatch(void) return; } #endif - bit = ffs(intc0_req0); + bit = __ffs(intc0_req0); intc0_req0 &= ~(1 << bit); - do_IRQ(MIPS_CPU_IRQ_BASE + bit); + do_IRQ(AU1000_INTC0_INT_BASE + bit); } @@ -478,9 +478,9 @@ static void intc0_req1_irqdispatch(void) if (!intc0_req1) return; - bit = ffs(intc0_req1); + bit = __ffs(intc0_req1); intc0_req1 &= ~(1 << bit); - do_IRQ(bit); + do_IRQ(AU1000_INTC0_INT_BASE + bit); } @@ -498,9 +498,9 @@ static void intc1_req0_irqdispatch(void) if (!intc1_req0) return; - bit = ffs(intc1_req0); + bit = __ffs(intc1_req0); intc1_req0 &= ~(1 << bit); - do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit); + do_IRQ(AU1000_INTC1_INT_BASE + bit); } @@ -514,9 +514,9 @@ static void intc1_req1_irqdispatch(void) if (!intc1_req1) return; - bit = ffs(intc1_req1); + bit = __ffs(intc1_req1); intc1_req1 &= ~(1 << bit); - do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit); + do_IRQ(AU1000_INTC1_INT_BASE + bit); } asmlinkage void plat_irq_dispatch(void) diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c index c096be4ed4e..8fcd0df86f9 100644 --- a/arch/mips/au1000/pb1200/irqmap.c +++ b/arch/mips/au1000/pb1200/irqmap.c @@ -74,7 +74,7 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id) bcsr->int_status = bisr; for( ; bisr; bisr &= (bisr-1) ) { - extirq_nr = PB1200_INT_BEGIN + ffs(bisr); + extirq_nr = PB1200_INT_BEGIN + __ffs(bisr); /* Ack and dispatch IRQ */ do_IRQ(extirq_nr); } diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 423bc2c473d..bdfa07aecd9 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -6,6 +6,7 @@ * Copyright (C) 2004, 05, 06 by Ralf Baechle * Copyright (C) 2005 by MIPS Technologies, Inc. */ +#include <linux/cpumask.h> #include <linux/oprofile.h> #include <linux/interrupt.h> #include <linux/smp.h> @@ -33,11 +34,45 @@ #ifdef CONFIG_MIPS_MT_SMP #define WHAT (M_TC_EN_VPE | M_PERFCTL_VPEID(smp_processor_id())) #define vpe_id() smp_processor_id() + +/* + * The number of bits to shift to convert between counters per core and + * counters per VPE. There is no reasonable interface atm to obtain the + * number of VPEs used by Linux and in the 34K this number is fixed to two + * anyways so we hardcore a few things here for the moment. The way it's + * done here will ensure that oprofile VSMP kernel will run right on a lesser + * core like a 24K also or with maxcpus=1. + */ +static inline unsigned int vpe_shift(void) +{ + if (num_possible_cpus() > 1) + return 1; + + return 0; +} + #else + #define WHAT 0 #define vpe_id() 0 + +static inline unsigned int vpe_shift(void) +{ + return 0; +} + #endif +static inline unsigned int counters_total_to_per_cpu(unsigned int counters) +{ + return counters >> vpe_shift(); +} + +static inline unsigned int counters_per_cpu_to_total(unsigned int counters) +{ + return counters << vpe_shift(); +} + #define __define_perf_accessors(r, n, np) \ \ static inline unsigned int r_c0_ ## r ## n(void) \ @@ -269,9 +304,7 @@ static int __init mipsxx_init(void) reset_counters(counters); -#ifdef CONFIG_MIPS_MT_SMP - counters >>= 1; -#endif + counters = counters_total_to_per_cpu(counters); op_model_mipsxx_ops.num_counters = counters; switch (current_cpu_type()) { @@ -330,9 +363,8 @@ static int __init mipsxx_init(void) static void mipsxx_exit(void) { int counters = op_model_mipsxx_ops.num_counters; -#ifdef CONFIG_MIPS_MT_SMP - counters <<= 1; -#endif + + counters = counters_per_cpu_to_total(counters); reset_counters(counters); perf_irq = null_perf_irq; diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c index bc647cb7729..47f316c86ab 100644 --- a/arch/mips/pci/pci-bcm1480.c +++ b/arch/mips/pci/pci-bcm1480.c @@ -76,7 +76,10 @@ static inline void WRITECFG32(u32 addr, u32 data) int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - return K_BCM1480_INT_PCI_INTA + pin; + if (pin == 0) + return -1; + + return K_BCM1480_INT_PCI_INTA - 1 + pin; } /* Do platform specific device initialization at pci_enable_device() time */ diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index b2b2edc40eb..1a6dac8df6f 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -1079,8 +1079,10 @@ cleanup_io_leave_insn: .Lexecve_tail: .long execve_tail .Ljump_table: .long pgm_check_table .Lschedule: .long schedule +#ifdef CONFIG_PREEMPT .Lpreempt_schedule_irq: .long preempt_schedule_irq +#endif .Ltrace: .long syscall_trace .Lschedtail: .long schedule_tail .Lsysc_table: .long sys_call_table diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 50f8f1e3760..577aa7dd660 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -486,9 +486,7 @@ static void setup_addressing_mode(void) if (s390_noexec) { printk("S390 execute protection active, "); set_amode_and_uaccess(PSW_ASC_SECONDARY, PSW32_ASC_SECONDARY); - return; - } - if (switch_amode) { + } else if (switch_amode) { printk("S390 address spaces switched, "); set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY); } diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c index af90a5f9ab5..b240b8863fd 100644 --- a/arch/sparc/kernel/devices.c +++ b/arch/sparc/kernel/devices.c @@ -62,8 +62,10 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg, int err = check_cpu_node(dp->node, &cur_inst, compare, compare_arg, prom_node, mid); - if (!err) + if (!err) { + of_node_put(dp); return 0; + } } return -ENODEV; diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index f2d432edc92..4cd5d7818dc 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -329,7 +329,7 @@ int __init pcic_probe(void) pcic->pcic_res_cfg_addr.name = "pcic_cfg_addr"; if ((pcic->pcic_config_space_addr = ioremap(regs[2].phys_addr, regs[2].reg_size * 2)) == 0) { - prom_printf("PCIC: Error, cannot map" + prom_printf("PCIC: Error, cannot map " "PCI Configuration Space Address.\n"); prom_halt(); } @@ -341,7 +341,7 @@ int __init pcic_probe(void) pcic->pcic_res_cfg_data.name = "pcic_cfg_data"; if ((pcic->pcic_config_space_data = ioremap(regs[3].phys_addr, regs[3].reg_size * 2)) == 0) { - prom_printf("PCIC: Error, cannot map" + prom_printf("PCIC: Error, cannot map " "PCI Configuration Space Data.\n"); prom_halt(); } @@ -518,8 +518,8 @@ static void pcic_map_pci_device(struct linux_pcic *pcic, * board in a PCI slot. We must remap it * under 64K but it is not done yet. XXX */ - printk("PCIC: Skipping I/O space at 0x%lx," - "this will Oops if a driver attaches;" + printk("PCIC: Skipping I/O space at 0x%lx, " + "this will Oops if a driver attaches " "device '%s' at %02x:%02x)\n", address, namebuf, dev->bus->number, dev->devfn); } diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 22734ac08c8..f62d9f6c5e2 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.24-rc1 -# Wed Oct 31 15:36:47 2007 +# Linux kernel version: 2.6.24-rc4 +# Tue Dec 4 00:37:59 2007 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -47,6 +47,7 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set # CONFIG_USER_NS is not set +# CONFIG_PID_NS is not set # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 @@ -154,6 +155,7 @@ CONFIG_PCI_DOMAINS=y CONFIG_PCI_SYSCALL=y CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y +# CONFIG_PCI_LEGACY is not set # CONFIG_PCI_DEBUG is not set CONFIG_SUN_OPENPROMFS=m CONFIG_SPARC32_COMPAT=y @@ -359,7 +361,6 @@ CONFIG_IDE_GENERIC=y CONFIG_BLK_DEV_IDEPCI=y # CONFIG_IDEPCI_SHARE_IRQ is not set CONFIG_IDEPCI_PCIBUS_ORDER=y -# CONFIG_BLK_DEV_OFFBOARD is not set # CONFIG_BLK_DEV_GENERIC is not set # CONFIG_BLK_DEV_OPTI621 is not set CONFIG_BLK_DEV_IDEDMA_PCI=y @@ -584,7 +585,6 @@ CONFIG_NIU=m # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET_MII is not set # CONFIG_USB_USBNET is not set # CONFIG_WAN is not set # CONFIG_FDDI is not set @@ -780,6 +780,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADT7470 is not set # CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_I5K_AMB is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_F71882FG is not set # CONFIG_SENSORS_F75375S is not set diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c index 0f19dce1c90..b5f7b354084 100644 --- a/arch/sparc64/kernel/isa.c +++ b/arch/sparc64/kernel/isa.c @@ -155,6 +155,7 @@ void __init isa_init(void) isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL); if (!isa_br) { printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge"); + pci_dev_put(pdev); return; } @@ -168,6 +169,7 @@ void __init isa_init(void) printk(KERN_DEBUG "isa: device registration error for %s!\n", dp->path_component_name); kfree(isa_br); + pci_dev_put(pdev); return; } diff --git a/arch/sparc64/kernel/ldc.c b/arch/sparc64/kernel/ldc.c index 217478a9412..63969f61028 100644 --- a/arch/sparc64/kernel/ldc.c +++ b/arch/sparc64/kernel/ldc.c @@ -2338,6 +2338,7 @@ static int __init ldc_init(void) unsigned long major, minor; struct mdesc_handle *hp; const u64 *v; + int err; u64 mp; hp = mdesc_grab(); @@ -2345,29 +2346,33 @@ static int __init ldc_init(void) return -ENODEV; mp = mdesc_node_by_name(hp, MDESC_NODE_NULL, "platform"); + err = -ENODEV; if (mp == MDESC_NODE_NULL) - return -ENODEV; + goto out; v = mdesc_get_property(hp, mp, "domaining-enabled", NULL); if (!v) - return -ENODEV; + goto out; major = 1; minor = 0; if (sun4v_hvapi_register(HV_GRP_LDOM, major, &minor)) { printk(KERN_INFO PFX "Could not register LDOM hvapi.\n"); - return -ENODEV; + goto out; } printk(KERN_INFO "%s", version); if (!*v) { printk(KERN_INFO PFX "Domaining disabled.\n"); - return -ENODEV; + goto out; } ldom_domaining_enabled = 1; + err = 0; - return 0; +out: + mdesc_release(hp); + return err; } core_initcall(ldc_init); diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 8c4875bdb4a..e587a372f3f 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -1022,6 +1022,10 @@ void __init sun4v_pci_init(struct device_node *dp, char *model_name) } prop = of_find_property(dp, "reg", NULL); + if (!prop) { + prom_printf("SUN4V_PCI: Could not find config registers\n"); + prom_halt(); + } regs = prop->value; devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff; diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 7cd8d94df0d..894b506f963 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -236,8 +236,9 @@ void smp_synchronize_tick_client(void) t[i].rt, t[i].master, t[i].diff, t[i].lat); #endif - printk(KERN_INFO "CPU %d: synchronized TICK with master CPU (last diff %ld cycles," - "maxerr %lu cycles)\n", smp_processor_id(), delta, rt); + printk(KERN_INFO "CPU %d: synchronized TICK with master CPU " + "(last diff %ld cycles, maxerr %lu cycles)\n", + smp_processor_id(), delta, rt); } static void smp_start_sync_tick_client(int cpu); diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index 67290117d90..561e373bd85 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -22,11 +22,6 @@ export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS endif endif -KBUILD_CFLAGS += -DCONFIG_X86_32 -KBUILD_AFLAGS += -DCONFIG_X86_32 -CONFIG_X86_32 := y -export CONFIG_X86_32 - # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. include $(srctree)/arch/x86/Makefile_32.cpu diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 368864dfe6e..80b7ba4056d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -112,8 +112,9 @@ config GENERIC_TIME_VSYSCALL bool default X86_64 - - +config ARCH_SUPPORTS_OPROFILE + bool + default y config ZONE_DMA32 @@ -148,7 +149,8 @@ config X86_SMP config X86_HT bool - depends on SMP && !(X86_VISWS || X86_VOYAGER || MK8) + depends on SMP + depends on (X86_32 && !(X86_VISWS || X86_VOYAGER)) || (X86_64 && !MK8) default y config X86_BIOS_REBOOT diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 9921b01fe19..606fe4d55a9 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -497,7 +497,7 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index) {} static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index) {} #endif -static void free_cache_attributes(unsigned int cpu) +static void __cpuinit free_cache_attributes(unsigned int cpu) { int i; diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index f5cc47c60b1..80ca72e5ac2 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c @@ -106,7 +106,8 @@ static int __init check_nmi_watchdog(void) if (!per_cpu(wd_enabled, cpu)) continue; if (nmi_count(cpu) - prev_nmi_count[cpu] <= 5) { - printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n", + printk(KERN_WARNING "WARNING: CPU#%d: NMI " + "appears to be stuck (%d->%d)!\n", cpu, prev_nmi_count[cpu], nmi_count(cpu)); diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c index a576fd74006..4253c4e8849 100644 --- a/arch/x86/kernel/nmi_64.c +++ b/arch/x86/kernel/nmi_64.c @@ -109,7 +109,8 @@ int __init check_nmi_watchdog (void) if (!per_cpu(wd_enabled, cpu)) continue; if (cpu_pda(cpu)->__nmi_count - counts[cpu] <= 5) { - printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n", + printk(KERN_WARNING "WARNING: CPU#%d: NMI " + "appears to be stuck (%d->%d)!\n", cpu, counts[cpu], cpu_pda(cpu)->__nmi_count); diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c index 8caa0b77746..7e16d675eb8 100644 --- a/arch/x86/kernel/topology.c +++ b/arch/x86/kernel/topology.c @@ -33,7 +33,7 @@ static struct i386_cpu cpu_devices[NR_CPUS]; -int arch_register_cpu(int num) +int __cpuinit arch_register_cpu(int num) { /* * CPU0 cannot be offlined due to several @@ -53,7 +53,8 @@ int arch_register_cpu(int num) } #ifdef CONFIG_HOTPLUG_CPU -void arch_unregister_cpu(int num) { +void arch_unregister_cpu(int num) +{ return unregister_cpu(&cpu_devices[num].cpu); } EXPORT_SYMBOL(arch_register_cpu); |