diff options
author | Jeff Garzik <jeff@garzik.org> | 2006-03-11 13:35:31 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-03-11 13:35:31 -0500 |
commit | 749dfc70554f2c9e6624ac843d66571265ed9338 (patch) | |
tree | bf591255b3f158222f90852d53c4279e6e7e9ced /arch/i386 | |
parent | 74f5ec29ae93aa42c49f4285c20c457afe937881 (diff) | |
parent | 0992a5d029181421877a716eaf99145828ff7eae (diff) |
Merge branch 'upstream-fixes'
Diffstat (limited to 'arch/i386')
-rw-r--r-- | arch/i386/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/i386/kernel/acpi/Makefile | 2 | ||||
-rw-r--r-- | arch/i386/kernel/acpi/boot.c | 3 | ||||
-rw-r--r-- | arch/i386/kernel/acpi/earlyquirk.c | 8 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/common.c | 4 | ||||
-rw-r--r-- | arch/i386/kernel/efi.c | 14 | ||||
-rw-r--r-- | arch/i386/kernel/io_apic.c | 19 | ||||
-rw-r--r-- | arch/i386/kernel/machine_kexec.c | 14 | ||||
-rw-r--r-- | arch/i386/kernel/nmi.c | 4 | ||||
-rw-r--r-- | arch/i386/kernel/setup.c | 4 | ||||
-rw-r--r-- | arch/i386/kernel/time.c | 4 |
11 files changed, 53 insertions, 25 deletions
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 53bb9a79e27..65656c033d7 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@ -11,7 +11,7 @@ obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ obj-y += cpu/ obj-y += timers/ -obj-$(CONFIG_ACPI) += acpi/ +obj-y += acpi/ obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o obj-$(CONFIG_MCA) += mca.o obj-$(CONFIG_X86_MSR) += msr.o diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile index d51c7313cae..7e9ac99354f 100644 --- a/arch/i386/kernel/acpi/Makefile +++ b/arch/i386/kernel/acpi/Makefile @@ -1,4 +1,4 @@ -obj-y := boot.o +obj-$(CONFIG_ACPI) += boot.o obj-$(CONFIG_X86_IO_APIC) += earlyquirk.o obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup.o diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 79577f0ace9..f1a21945963 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -1111,9 +1111,6 @@ int __init acpi_boot_table_init(void) disable_acpi(); return error; } -#ifdef __i386__ - check_acpi_pci(); -#endif acpi_table_parse(ACPI_BOOT, acpi_parse_sbf); diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c index f1b9d2a46da..2e3b643a4dc 100644 --- a/arch/i386/kernel/acpi/earlyquirk.c +++ b/arch/i386/kernel/acpi/earlyquirk.c @@ -7,14 +7,22 @@ #include <linux/pci.h> #include <asm/pci-direct.h> #include <asm/acpi.h> +#include <asm/apic.h> static int __init check_bridge(int vendor, int device) { +#ifdef CONFIG_ACPI /* According to Nvidia all timer overrides are bogus. Just ignore them all. */ if (vendor == PCI_VENDOR_ID_NVIDIA) { acpi_skip_timer_override = 1; } +#endif + if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) { + timer_over_8254 = 0; + printk(KERN_INFO "ATI board detected. Disabling timer routing " + "over 8254.\n"); + } return 0; } diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 4ecd4b326de..e6bd095ae10 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -278,10 +278,10 @@ void __devinit generic_identify(struct cpuinfo_x86 * c) c->x86_capability[4] = excap; c->x86 = (tfms >> 8) & 15; c->x86_model = (tfms >> 4) & 15; - if (c->x86 == 0xf) { + if (c->x86 == 0xf) c->x86 += (tfms >> 20) & 0xff; + if (c->x86 >= 0x6) c->x86_model += ((tfms >> 16) & 0xF) << 4; - } c->x86_mask = tfms & 15; } else { /* Have CPUID level 0 only - unheard of */ diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c index e3e42fd6240..c9cad7ba0d2 100644 --- a/arch/i386/kernel/efi.c +++ b/arch/i386/kernel/efi.c @@ -70,10 +70,13 @@ static void efi_call_phys_prelog(void) { unsigned long cr4; unsigned long temp; + struct Xgt_desc_struct *cpu_gdt_descr; spin_lock(&efi_rt_lock); local_irq_save(efi_rt_eflags); + cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0); + /* * If I don't have PSE, I should just duplicate two entries in page * directory. If I have PSE, I just need to duplicate one entry in @@ -103,18 +106,17 @@ static void efi_call_phys_prelog(void) */ local_flush_tlb(); - per_cpu(cpu_gdt_descr, 0).address = - __pa(per_cpu(cpu_gdt_descr, 0).address); - load_gdt((struct Xgt_desc_struct *)__pa(&per_cpu(cpu_gdt_descr, 0))); + cpu_gdt_descr->address = __pa(cpu_gdt_descr->address); + load_gdt(cpu_gdt_descr); } static void efi_call_phys_epilog(void) { unsigned long cr4; + struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0); - per_cpu(cpu_gdt_descr, 0).address = - (unsigned long)__va(per_cpu(cpu_gdt_descr, 0).address); - load_gdt((struct Xgt_desc_struct *)__va(&per_cpu(cpu_gdt_descr, 0))); + cpu_gdt_descr->address = __va(cpu_gdt_descr->address); + load_gdt(cpu_gdt_descr); cr4 = read_cr4(); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 235822b3f41..39d9a5fa907 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -51,6 +51,8 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; static DEFINE_SPINLOCK(ioapic_lock); +int timer_over_8254 __initdata = 1; + /* * Is the SiS APIC rmw bug present ? * -1 = don't know, 0 = no, 1 = yes @@ -2267,7 +2269,8 @@ static inline void check_timer(void) apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); timer_ack = 1; - enable_8259A_irq(0); + if (timer_over_8254 > 0) + enable_8259A_irq(0); pin1 = find_isa_irq_pin(0, mp_INT); apic1 = find_isa_irq_apic(0, mp_INT); @@ -2392,6 +2395,20 @@ void __init setup_IO_APIC(void) print_IO_APIC(); } +static int __init setup_disable_8254_timer(char *s) +{ + timer_over_8254 = -1; + return 1; +} +static int __init setup_enable_8254_timer(char *s) +{ + timer_over_8254 = 2; + return 1; +} + +__setup("disable_8254_timer", setup_disable_8254_timer); +__setup("enable_8254_timer", setup_enable_8254_timer); + /* * Called after all the initialization is done. If we didnt find any * APIC bugs then we can allow the modify fast path diff --git a/arch/i386/kernel/machine_kexec.c b/arch/i386/kernel/machine_kexec.c index a912fed4848..f73d7374a2b 100644 --- a/arch/i386/kernel/machine_kexec.c +++ b/arch/i386/kernel/machine_kexec.c @@ -116,13 +116,13 @@ static void load_segments(void) __asm__ __volatile__ ( "\tljmp $"STR(__KERNEL_CS)",$1f\n" "\t1:\n" - "\tmovl $"STR(__KERNEL_DS)",%eax\n" - "\tmovl %eax,%ds\n" - "\tmovl %eax,%es\n" - "\tmovl %eax,%fs\n" - "\tmovl %eax,%gs\n" - "\tmovl %eax,%ss\n" - ); + "\tmovl $"STR(__KERNEL_DS)",%%eax\n" + "\tmovl %%eax,%%ds\n" + "\tmovl %%eax,%%es\n" + "\tmovl %%eax,%%fs\n" + "\tmovl %%eax,%%gs\n" + "\tmovl %%eax,%%ss\n" + ::: "eax", "memory"); #undef STR #undef __STR } diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 63f39a7e2c9..be87c5e2ee9 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -357,7 +357,7 @@ static void clear_msr_range(unsigned int base, unsigned int n) wrmsr(base+i, 0, 0); } -static inline void write_watchdog_counter(const char *descr) +static void write_watchdog_counter(const char *descr) { u64 count = (u64)cpu_khz * 1000; @@ -544,7 +544,7 @@ void nmi_watchdog_tick (struct pt_regs * regs) * die_nmi will return ONLY if NOTIFY_STOP happens.. */ die_nmi(regs, "NMI Watchdog detected LOCKUP"); - + } else { last_irq_sums[cpu] = sum; alert_counter[cpu] = 0; } diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 51e513b4f72..ab62a9f4701 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -1599,6 +1599,10 @@ void __init setup_arch(char **cmdline_p) if (efi_enabled) efi_map_memmap(); +#ifdef CONFIG_X86_IO_APIC + check_acpi_pci(); /* Checks more than just ACPI actually */ +#endif + #ifdef CONFIG_ACPI /* * Parse the ACPI tables for possible boot-time SMP configuration. diff --git a/arch/i386/kernel/time.c b/arch/i386/kernel/time.c index a14d594bfbe..9d307475985 100644 --- a/arch/i386/kernel/time.c +++ b/arch/i386/kernel/time.c @@ -412,9 +412,9 @@ static int timer_resume(struct sys_device *dev) write_seqlock_irqsave(&xtime_lock, flags); xtime.tv_sec = sec; xtime.tv_nsec = 0; - write_sequnlock_irqrestore(&xtime_lock, flags); - jiffies += sleep_length; + jiffies_64 += sleep_length; wall_jiffies += sleep_length; + write_sequnlock_irqrestore(&xtime_lock, flags); if (last_timer->resume) last_timer->resume(); cur_timer = last_timer; |