diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/alpha/kernel/irq.c | 5 | ||||
-rw-r--r-- | arch/arm/kernel/stacktrace.c | 1 | ||||
-rw-r--r-- | arch/avr32/kernel/stacktrace.c | 1 | ||||
-rw-r--r-- | arch/mips/kernel/stacktrace.c | 1 | ||||
-rw-r--r-- | arch/mips/sibyte/swarm/Makefile | 1 | ||||
-rw-r--r-- | arch/mips/sibyte/swarm/swarm-i2c.c | 37 | ||||
-rw-r--r-- | arch/powerpc/kernel/stacktrace.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/stacktrace.c | 2 | ||||
-rw-r--r-- | arch/sh/kernel/stacktrace.c | 1 | ||||
-rw-r--r-- | arch/sparc64/kernel/stacktrace.c | 2 | ||||
-rw-r--r-- | arch/x86/Kconfig | 22 | ||||
-rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 30 | ||||
-rw-r--r-- | arch/x86/kernel/quirks.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/stacktrace.c | 2 |
14 files changed, 87 insertions, 22 deletions
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index facf82a5499..c626a821cdc 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -42,8 +42,7 @@ void ack_bad_irq(unsigned int irq) #ifdef CONFIG_SMP static char irq_user_affinity[NR_IRQS]; -int -select_smp_affinity(unsigned int irq) +int irq_select_affinity(unsigned int irq) { static int last_cpu; int cpu = last_cpu + 1; @@ -51,7 +50,7 @@ select_smp_affinity(unsigned int irq) if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq]) return 1; - while (!cpu_possible(cpu)) + while (!cpu_possible(cpu) || !cpu_isset(cpu, irq_default_affinity)) cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); last_cpu = cpu; diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 90e0c35ae60..fc650f64df4 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -92,4 +92,5 @@ void save_stack_trace(struct stack_trace *trace) { save_stack_trace_tsk(current, trace); } +EXPORT_SYMBOL_GPL(save_stack_trace); #endif diff --git a/arch/avr32/kernel/stacktrace.c b/arch/avr32/kernel/stacktrace.c index 9a68190bbff..f4bdb448049 100644 --- a/arch/avr32/kernel/stacktrace.c +++ b/arch/avr32/kernel/stacktrace.c @@ -51,3 +51,4 @@ void save_stack_trace(struct stack_trace *trace) fp = frame->fp; } } +EXPORT_SYMBOL_GPL(save_stack_trace); diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c index ebd9db8d1ec..5eb4681a73d 100644 --- a/arch/mips/kernel/stacktrace.c +++ b/arch/mips/kernel/stacktrace.c @@ -73,3 +73,4 @@ void save_stack_trace(struct stack_trace *trace) prepare_frametrace(regs); save_context_stack(trace, regs); } +EXPORT_SYMBOL_GPL(save_stack_trace); diff --git a/arch/mips/sibyte/swarm/Makefile b/arch/mips/sibyte/swarm/Makefile index 1775755a261..255d692bfa1 100644 --- a/arch/mips/sibyte/swarm/Makefile +++ b/arch/mips/sibyte/swarm/Makefile @@ -1,3 +1,4 @@ obj-y := setup.o rtc_xicor1241.o rtc_m41t81.o +obj-$(CONFIG_I2C_BOARDINFO) += swarm-i2c.o obj-$(CONFIG_KGDB) += dbg_io.o diff --git a/arch/mips/sibyte/swarm/swarm-i2c.c b/arch/mips/sibyte/swarm/swarm-i2c.c new file mode 100644 index 00000000000..4282ac9d01d --- /dev/null +++ b/arch/mips/sibyte/swarm/swarm-i2c.c @@ -0,0 +1,37 @@ +/* + * arch/mips/sibyte/swarm/swarm-i2c.c + * + * Broadcom BCM91250A (SWARM), etc. I2C platform setup. + * + * Copyright (c) 2008 Maciej W. Rozycki + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/kernel.h> + + +static struct i2c_board_info swarm_i2c_info1[] __initdata = { + { + I2C_BOARD_INFO("m41t81", 0x68), + }, +}; + +static int __init swarm_i2c_init(void) +{ + int err; + + err = i2c_register_board_info(1, swarm_i2c_info1, + ARRAY_SIZE(swarm_i2c_info1)); + if (err < 0) + printk(KERN_ERR + "swarm-i2c: cannot register board I2C devices\n"); + return err; +} + +arch_initcall(swarm_i2c_init); diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c index 96294403843..3cf0d94ba34 100644 --- a/arch/powerpc/kernel/stacktrace.c +++ b/arch/powerpc/kernel/stacktrace.c @@ -12,6 +12,7 @@ #include <linux/sched.h> #include <linux/stacktrace.h> +#include <linux/module.h> #include <asm/ptrace.h> /* @@ -44,3 +45,4 @@ void save_stack_trace(struct stack_trace *trace) sp = newsp; } } +EXPORT_SYMBOL_GPL(save_stack_trace); diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 85e46a5d0e0..57571f10270 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -81,6 +81,7 @@ void save_stack_trace(struct stack_trace *trace) S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE, 1); } +EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { @@ -93,3 +94,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace_tsk); diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c index d41e561be20..1b2ae35c4a7 100644 --- a/arch/sh/kernel/stacktrace.c +++ b/arch/sh/kernel/stacktrace.c @@ -34,3 +34,4 @@ void save_stack_trace(struct stack_trace *trace) } } } +EXPORT_SYMBOL_GPL(save_stack_trace); diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c index c73ce3f4197..b3e3737750d 100644 --- a/arch/sparc64/kernel/stacktrace.c +++ b/arch/sparc64/kernel/stacktrace.c @@ -1,6 +1,7 @@ #include <linux/sched.h> #include <linux/stacktrace.h> #include <linux/thread_info.h> +#include <linux/module.h> #include <asm/ptrace.h> #include <asm/stacktrace.h> @@ -47,3 +48,4 @@ void save_stack_trace(struct stack_trace *trace) trace->entries[trace->nr_entries++] = pc; } while (trace->nr_entries < trace->max_entries); } +EXPORT_SYMBOL_GPL(save_stack_trace); diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 6958d6bcaf7..2642b4bf41b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -447,7 +447,6 @@ config PARAVIRT_DEBUG config MEMTEST bool "Memtest" depends on X86_64 - default y help This option adds a kernel parameter 'memtest', which allows memtest to be set. @@ -455,7 +454,7 @@ config MEMTEST memtest=1, mean do 1 test pattern; ... memtest=4, mean do 4 test patterns. - If you are unsure how to answer this question, answer Y. + If you are unsure how to answer this question, answer N. config X86_SUMMIT_NUMA def_bool y @@ -1135,21 +1134,18 @@ config MTRR See <file:Documentation/mtrr.txt> for more information. config MTRR_SANITIZER - def_bool y + bool prompt "MTRR cleanup support" depends on MTRR help - Convert MTRR layout from continuous to discrete, so some X driver - could add WB entries. + Convert MTRR layout from continuous to discrete, so X drivers can + add writeback entries. - Say N here if you see bootup problems (boot crash, boot hang, - spontaneous reboots). + Can be disabled with disable_mtrr_cleanup on the kernel command line. + The largest mtrr entry size for a continous block can be set with + mtrr_chunk_size. - Could be disabled with disable_mtrr_cleanup. Also mtrr_chunk_size - could be used to send largest mtrr entry size for continuous block - to hold holes (aka. UC entries) - - If unsure, say Y. + If unsure, say N. config MTRR_SANITIZER_ENABLE_DEFAULT int "MTRR cleanup enable value (0-1)" @@ -1166,7 +1162,7 @@ config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT depends on MTRR_SANITIZER help mtrr cleanup spare entries default, it can be changed via - mtrr_spare_reg_nr= + mtrr_spare_reg_nr=N on the kernel command line. config X86_PAT bool diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index e6a4b564cca..793ad2045f5 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -23,6 +23,15 @@ static unsigned long acpi_realmode; static char temp_stack[10240]; #endif +/* XXX: this macro should move to asm-x86/segment.h and be shared with the + boot code... */ +#define GDT_ENTRY(flags, base, limit) \ + (((u64)(base & 0xff000000) << 32) | \ + ((u64)flags << 40) | \ + ((u64)(limit & 0x00ff0000) << 32) | \ + ((u64)(base & 0x00ffffff) << 16) | \ + ((u64)(limit & 0x0000ffff))) + /** * acpi_save_state_mem - save kernel state * @@ -51,18 +60,27 @@ int acpi_save_state_mem(void) header->video_mode = saved_video_mode; header->wakeup_jmp_seg = acpi_wakeup_address >> 4; + + /* + * Set up the wakeup GDT. We set these up as Big Real Mode, + * that is, with limits set to 4 GB. At least the Lenovo + * Thinkpad X61 is known to need this for the video BIOS + * initialization quirk to work; this is likely to also + * be the case for other laptops or integrated video devices. + */ + /* GDT[0]: GDT self-pointer */ header->wakeup_gdt[0] = (u64)(sizeof(header->wakeup_gdt) - 1) + ((u64)(acpi_wakeup_address + ((char *)&header->wakeup_gdt - (char *)acpi_realmode)) << 16); - /* GDT[1]: real-mode-like code segment */ - header->wakeup_gdt[1] = (0x009bULL << 40) + - ((u64)acpi_wakeup_address << 16) + 0xffff; - /* GDT[2]: real-mode-like data segment */ - header->wakeup_gdt[2] = (0x0093ULL << 40) + - ((u64)acpi_wakeup_address << 16) + 0xffff; + /* GDT[1]: big real mode-like code segment */ + header->wakeup_gdt[1] = + GDT_ENTRY(0x809b, acpi_wakeup_address, 0xfffff); + /* GDT[2]: big real mode-like data segment */ + header->wakeup_gdt[2] = + GDT_ENTRY(0x8093, acpi_wakeup_address, 0xfffff); #ifndef CONFIG_64BIT store_gdt((struct desc_ptr *)&header->pmode_gdt); diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index 79bdcd11c66..d1385881810 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -266,6 +266,8 @@ static void old_ich_force_enable_hpet_user(struct pci_dev *dev) hpet_print_force_info(); } +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1, + old_ich_force_enable_hpet_user); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, old_ich_force_enable_hpet_user); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index c28c342c162..a03e7f6d90c 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -74,6 +74,7 @@ void save_stack_trace(struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace); void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { @@ -81,3 +82,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } +EXPORT_SYMBOL_GPL(save_stack_trace_tsk); |