diff options
Diffstat (limited to 'arch/x86/platform')
| -rw-r--r-- | arch/x86/platform/efi/efi-bgrt.c | 2 | ||||
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 59 | ||||
| -rw-r--r-- | arch/x86/platform/efi/efi_64.c | 22 | ||||
| -rw-r--r-- | arch/x86/platform/iris/iris.c | 67 | ||||
| -rw-r--r-- | arch/x86/platform/mrst/mrst.c | 2 | ||||
| -rw-r--r-- | arch/x86/platform/olpc/olpc-xo1-pm.c | 8 | ||||
| -rw-r--r-- | arch/x86/platform/olpc/olpc-xo1-sci.c | 18 | ||||
| -rw-r--r-- | arch/x86/platform/scx200/scx200_32.c | 6 | ||||
| -rw-r--r-- | arch/x86/platform/uv/tlb_uv.c | 10 |
9 files changed, 135 insertions, 59 deletions
diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c index f6a0c1b8e51..d9c1b95af17 100644 --- a/arch/x86/platform/efi/efi-bgrt.c +++ b/arch/x86/platform/efi/efi-bgrt.c @@ -39,6 +39,8 @@ void efi_bgrt_init(void) if (ACPI_FAILURE(status)) return; + if (bgrt_tab->header.length < sizeof(*bgrt_tab)) + return; if (bgrt_tab->version != 1) return; if (bgrt_tab->image_type != 0 || !bgrt_tab->image_address) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index ad4439145f8..77cf0090c0a 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -51,9 +51,6 @@ #define EFI_DEBUG 1 -int efi_enabled; -EXPORT_SYMBOL(efi_enabled); - struct efi __read_mostly efi = { .mps = EFI_INVALID_TABLE_ADDR, .acpi = EFI_INVALID_TABLE_ADDR, @@ -69,19 +66,28 @@ EXPORT_SYMBOL(efi); struct efi_memory_map memmap; -bool efi_64bit; - static struct efi efi_phys __initdata; static efi_system_table_t efi_systab __initdata; static inline bool efi_is_native(void) { - return IS_ENABLED(CONFIG_X86_64) == efi_64bit; + return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT); +} + +unsigned long x86_efi_facility; + +/* + * Returns 1 if 'facility' is enabled, 0 otherwise. + */ +int efi_enabled(int facility) +{ + return test_bit(facility, &x86_efi_facility) != 0; } +EXPORT_SYMBOL(efi_enabled); static int __init setup_noefi(char *arg) { - efi_enabled = 0; + clear_bit(EFI_BOOT, &x86_efi_facility); return 0; } early_param("noefi", setup_noefi); @@ -426,6 +432,7 @@ void __init efi_reserve_boot_services(void) void __init efi_unmap_memmap(void) { + clear_bit(EFI_MEMMAP, &x86_efi_facility); if (memmap.map) { early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size); memmap.map = NULL; @@ -460,7 +467,7 @@ void __init efi_free_boot_services(void) static int __init efi_systab_init(void *phys) { - if (efi_64bit) { + if (efi_enabled(EFI_64BIT)) { efi_system_table_64_t *systab64; u64 tmp = 0; @@ -552,7 +559,7 @@ static int __init efi_config_init(u64 tables, int nr_tables) void *config_tables, *tablep; int i, sz; - if (efi_64bit) + if (efi_enabled(EFI_64BIT)) sz = sizeof(efi_config_table_64_t); else sz = sizeof(efi_config_table_32_t); @@ -572,7 +579,7 @@ static int __init efi_config_init(u64 tables, int nr_tables) efi_guid_t guid; unsigned long table; - if (efi_64bit) { + if (efi_enabled(EFI_64BIT)) { u64 table64; guid = ((efi_config_table_64_t *)tablep)->guid; table64 = ((efi_config_table_64_t *)tablep)->table; @@ -684,7 +691,6 @@ void __init efi_init(void) if (boot_params.efi_info.efi_systab_hi || boot_params.efi_info.efi_memmap_hi) { pr_info("Table located above 4GB, disabling EFI.\n"); - efi_enabled = 0; return; } efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab; @@ -694,10 +700,10 @@ void __init efi_init(void) ((__u64)boot_params.efi_info.efi_systab_hi<<32)); #endif - if (efi_systab_init(efi_phys.systab)) { - efi_enabled = 0; + if (efi_systab_init(efi_phys.systab)) return; - } + + set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility); /* * Show what we know for posterity @@ -715,10 +721,10 @@ void __init efi_init(void) efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff, vendor); - if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) { - efi_enabled = 0; + if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) return; - } + + set_bit(EFI_CONFIG_TABLES, &x86_efi_facility); /* * Note: We currently don't support runtime services on an EFI @@ -727,15 +733,17 @@ void __init efi_init(void) if (!efi_is_native()) pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n"); - else if (efi_runtime_init()) { - efi_enabled = 0; - return; + else { + if (efi_runtime_init()) + return; + set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility); } - if (efi_memmap_init()) { - efi_enabled = 0; + if (efi_memmap_init()) return; - } + + set_bit(EFI_MEMMAP, &x86_efi_facility); + #ifdef CONFIG_X86_32 if (efi_is_native()) { x86_platform.get_wallclock = efi_get_time; @@ -941,7 +949,7 @@ void __init efi_enter_virtual_mode(void) * * Call EFI services through wrapper functions. */ - efi.runtime_version = efi_systab.fw_revision; + efi.runtime_version = efi_systab.hdr.revision; efi.get_time = virt_efi_get_time; efi.set_time = virt_efi_set_time; efi.get_wakeup_time = virt_efi_get_wakeup_time; @@ -969,6 +977,9 @@ u32 efi_mem_type(unsigned long phys_addr) efi_memory_desc_t *md; void *p; + if (!efi_enabled(EFI_MEMMAP)) + return 0; + for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { md = p; if ((md->phys_addr <= phys_addr) && diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 95fd505dfeb..2b200386061 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -38,7 +38,7 @@ #include <asm/cacheflush.h> #include <asm/fixmap.h> -static pgd_t save_pgd __initdata; +static pgd_t *save_pgd __initdata; static unsigned long efi_flags __initdata; static void __init early_code_mapping_set_exec(int executable) @@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable) void __init efi_call_phys_prelog(void) { unsigned long vaddress; + int pgd; + int n_pgds; early_code_mapping_set_exec(1); local_irq_save(efi_flags); - vaddress = (unsigned long)__va(0x0UL); - save_pgd = *pgd_offset_k(0x0UL); - set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress)); + + n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE); + save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL); + + for (pgd = 0; pgd < n_pgds; pgd++) { + save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE); + vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); + set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); + } __flush_tlb_all(); } @@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void) /* * After the lock is released, the original page table is restored. */ - set_pgd(pgd_offset_k(0x0UL), save_pgd); + int pgd; + int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE); + for (pgd = 0; pgd < n_pgds; pgd++) + set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]); + kfree(save_pgd); __flush_tlb_all(); local_irq_restore(efi_flags); early_code_mapping_set_exec(0); diff --git a/arch/x86/platform/iris/iris.c b/arch/x86/platform/iris/iris.c index 5917eb56b31..e6cb80f620a 100644 --- a/arch/x86/platform/iris/iris.c +++ b/arch/x86/platform/iris/iris.c @@ -23,6 +23,7 @@ #include <linux/moduleparam.h> #include <linux/module.h> +#include <linux/platform_device.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/delay.h> @@ -62,29 +63,75 @@ static void iris_power_off(void) * by reading its input port and seeing whether the read value is * meaningful. */ -static int iris_init(void) +static int iris_probe(struct platform_device *pdev) { - unsigned char status; - if (force != 1) { - printk(KERN_ERR "The force parameter has not been set to 1 so the Iris poweroff handler will not be installed.\n"); - return -ENODEV; - } - status = inb(IRIS_GIO_INPUT); + unsigned char status = inb(IRIS_GIO_INPUT); if (status == IRIS_GIO_NODEV) { - printk(KERN_ERR "This machine does not seem to be an Iris. Power_off handler not installed.\n"); + printk(KERN_ERR "This machine does not seem to be an Iris. " + "Power off handler not installed.\n"); return -ENODEV; } old_pm_power_off = pm_power_off; pm_power_off = &iris_power_off; printk(KERN_INFO "Iris power_off handler installed.\n"); - return 0; } -static void iris_exit(void) +static int iris_remove(struct platform_device *pdev) { pm_power_off = old_pm_power_off; printk(KERN_INFO "Iris power_off handler uninstalled.\n"); + return 0; +} + +static struct platform_driver iris_driver = { + .driver = { + .name = "iris", + .owner = THIS_MODULE, + }, + .probe = iris_probe, + .remove = iris_remove, +}; + +static struct resource iris_resources[] = { + { + .start = IRIS_GIO_BASE, + .end = IRIS_GIO_OUTPUT, + .flags = IORESOURCE_IO, + .name = "address" + } +}; + +static struct platform_device *iris_device; + +static int iris_init(void) +{ + int ret; + if (force != 1) { + printk(KERN_ERR "The force parameter has not been set to 1." + " The Iris poweroff handler will not be installed.\n"); + return -ENODEV; + } + ret = platform_driver_register(&iris_driver); + if (ret < 0) { + printk(KERN_ERR "Failed to register iris platform driver: %d\n", + ret); + return ret; + } + iris_device = platform_device_register_simple("iris", (-1), + iris_resources, ARRAY_SIZE(iris_resources)); + if (IS_ERR(iris_device)) { + printk(KERN_ERR "Failed to register iris platform device\n"); + platform_driver_unregister(&iris_driver); + return PTR_ERR(iris_device); + } + return 0; +} + +static void iris_exit(void) +{ + platform_device_unregister(iris_device); + platform_driver_unregister(&iris_driver); } module_init(iris_init); diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index fd41a9262d6..e31bcd8f2ee 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -782,7 +782,7 @@ BLOCKING_NOTIFIER_HEAD(intel_scu_notifier); EXPORT_SYMBOL_GPL(intel_scu_notifier); /* Called by IPC driver */ -void __devinit intel_scu_devices_create(void) +void intel_scu_devices_create(void) { int i; diff --git a/arch/x86/platform/olpc/olpc-xo1-pm.c b/arch/x86/platform/olpc/olpc-xo1-pm.c index d75582d1aa5..ff0174dda81 100644 --- a/arch/x86/platform/olpc/olpc-xo1-pm.c +++ b/arch/x86/platform/olpc/olpc-xo1-pm.c @@ -121,7 +121,7 @@ static const struct platform_suspend_ops xo1_suspend_ops = { .enter = xo1_power_state_enter, }; -static int __devinit xo1_pm_probe(struct platform_device *pdev) +static int xo1_pm_probe(struct platform_device *pdev) { struct resource *res; int err; @@ -154,7 +154,7 @@ static int __devinit xo1_pm_probe(struct platform_device *pdev) return 0; } -static int __devexit xo1_pm_remove(struct platform_device *pdev) +static int xo1_pm_remove(struct platform_device *pdev) { mfd_cell_disable(pdev); @@ -173,7 +173,7 @@ static struct platform_driver cs5535_pms_driver = { .owner = THIS_MODULE, }, .probe = xo1_pm_probe, - .remove = __devexit_p(xo1_pm_remove), + .remove = xo1_pm_remove, }; static struct platform_driver cs5535_acpi_driver = { @@ -182,7 +182,7 @@ static struct platform_driver cs5535_acpi_driver = { .owner = THIS_MODULE, }, .probe = xo1_pm_probe, - .remove = __devexit_p(xo1_pm_remove), + .remove = xo1_pm_remove, }; static int __init xo1_pm_init(void) diff --git a/arch/x86/platform/olpc/olpc-xo1-sci.c b/arch/x86/platform/olpc/olpc-xo1-sci.c index 63d4aa40956..74704be7b1f 100644 --- a/arch/x86/platform/olpc/olpc-xo1-sci.c +++ b/arch/x86/platform/olpc/olpc-xo1-sci.c @@ -309,7 +309,7 @@ static int xo1_sci_resume(struct platform_device *pdev) return 0; } -static int __devinit setup_sci_interrupt(struct platform_device *pdev) +static int setup_sci_interrupt(struct platform_device *pdev) { u32 lo, hi; u32 sts; @@ -351,7 +351,7 @@ static int __devinit setup_sci_interrupt(struct platform_device *pdev) return r; } -static int __devinit setup_ec_sci(void) +static int setup_ec_sci(void) { int r; @@ -395,7 +395,7 @@ static void free_ec_sci(void) gpio_free(OLPC_GPIO_ECSCI); } -static int __devinit setup_lid_events(void) +static int setup_lid_events(void) { int r; @@ -432,7 +432,7 @@ static void free_lid_events(void) gpio_free(OLPC_GPIO_LID); } -static int __devinit setup_power_button(struct platform_device *pdev) +static int setup_power_button(struct platform_device *pdev) { int r; @@ -463,7 +463,7 @@ static void free_power_button(void) input_free_device(power_button_idev); } -static int __devinit setup_ebook_switch(struct platform_device *pdev) +static int setup_ebook_switch(struct platform_device *pdev) { int r; @@ -494,7 +494,7 @@ static void free_ebook_switch(void) input_free_device(ebook_switch_idev); } -static int __devinit setup_lid_switch(struct platform_device *pdev) +static int setup_lid_switch(struct platform_device *pdev) { int r; @@ -538,7 +538,7 @@ static void free_lid_switch(void) input_free_device(lid_switch_idev); } -static int __devinit xo1_sci_probe(struct platform_device *pdev) +static int xo1_sci_probe(struct platform_device *pdev) { struct resource *res; int r; @@ -613,7 +613,7 @@ err_ebook: return r; } -static int __devexit xo1_sci_remove(struct platform_device *pdev) +static int xo1_sci_remove(struct platform_device *pdev) { mfd_cell_disable(pdev); free_irq(sci_irq, pdev); @@ -632,7 +632,7 @@ static struct platform_driver xo1_sci_driver = { .name = "olpc-xo1-sci-acpi", }, .probe = xo1_sci_probe, - .remove = __devexit_p(xo1_sci_remove), + .remove = xo1_sci_remove, .suspend = xo1_sci_suspend, .resume = xo1_sci_resume, }; diff --git a/arch/x86/platform/scx200/scx200_32.c b/arch/x86/platform/scx200/scx200_32.c index 7a9ad30d6c9..3dc9aee41d9 100644 --- a/arch/x86/platform/scx200/scx200_32.c +++ b/arch/x86/platform/scx200/scx200_32.c @@ -35,7 +35,7 @@ static struct pci_device_id scx200_tbl[] = { }; MODULE_DEVICE_TABLE(pci,scx200_tbl); -static int __devinit scx200_probe(struct pci_dev *, const struct pci_device_id *); +static int scx200_probe(struct pci_dev *, const struct pci_device_id *); static struct pci_driver scx200_pci_driver = { .name = "scx200", @@ -45,7 +45,7 @@ static struct pci_driver scx200_pci_driver = { static DEFINE_MUTEX(scx200_gpio_config_lock); -static void __devinit scx200_init_shadow(void) +static void scx200_init_shadow(void) { int bank; @@ -54,7 +54,7 @@ static void __devinit scx200_init_shadow(void) scx200_gpio_shadow[bank] = inl(scx200_gpio_base + 0x10 * bank); } -static int __devinit scx200_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static int scx200_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { unsigned base; diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index b8b3a37c80c..dbbdca5f508 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1034,7 +1034,8 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp, * globally purge translation cache of a virtual address or all TLB's * @cpumask: mask of all cpu's in which the address is to be removed * @mm: mm_struct containing virtual address range - * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu) + * @start: start virtual address to be removed from TLB + * @end: end virtual address to be remove from TLB * @cpu: the current cpu * * This is the entry point for initiating any UV global TLB shootdown. @@ -1056,7 +1057,7 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp, */ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm, unsigned long start, - unsigned end, unsigned int cpu) + unsigned long end, unsigned int cpu) { int locals = 0; int remotes = 0; @@ -1113,7 +1114,10 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, record_send_statistics(stat, locals, hubs, remotes, bau_desc); - bau_desc->payload.address = start; + if (!end || (end - start) <= PAGE_SIZE) + bau_desc->payload.address = start; + else + bau_desc->payload.address = TLB_FLUSH_ALL; bau_desc->payload.sending_cpu = cpu; /* * uv_flush_send_and_wait returns 0 if all cpu's were messaged, |