diff options
| -rw-r--r-- | arch/x86/mm/pageattr.c | 10 | ||||
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 30 | ||||
| -rw-r--r-- | include/linux/efi.h | 2 | ||||
| -rw-r--r-- | init/main.c | 8 |
4 files changed, 14 insertions, 36 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index e1ebde31521..ee09aca6399 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -919,11 +919,13 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, /* * On success we use clflush, when the CPU supports it to - * avoid the wbindv. If the CPU does not support it and in the - * error case we fall back to cpa_flush_all (which uses - * wbindv): + * avoid the wbindv. If the CPU does not support it, in the + * error case, and during early boot (for EFI) we fall back + * to cpa_flush_all (which uses wbinvd): */ - if (!ret && cpu_has_clflush) { + if (early_boot_irqs_disabled) + __cpa_flush_all((void *)(long)cache); + else if (!ret && cpu_has_clflush) { if (cpa.flags & (CPA_PAGES_ARRAY | CPA_ARRAY)) { cpa_flush_array(addr, numpages, cache, cpa.flags, pages); diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 92660edaa1e..2dc29f51e75 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -234,22 +234,7 @@ static efi_status_t __init phys_efi_set_virtual_address_map( return status; } -static efi_status_t __init phys_efi_get_time(efi_time_t *tm, - efi_time_cap_t *tc) -{ - unsigned long flags; - efi_status_t status; - - spin_lock_irqsave(&rtc_lock, flags); - efi_call_phys_prelog(); - status = efi_call_phys2(efi_phys.get_time, virt_to_phys(tm), - virt_to_phys(tc)); - efi_call_phys_epilog(); - spin_unlock_irqrestore(&rtc_lock, flags); - return status; -} - -int efi_set_rtc_mmss(unsigned long nowtime) +static int efi_set_rtc_mmss(unsigned long nowtime) { int real_seconds, real_minutes; efi_status_t status; @@ -278,7 +263,7 @@ int efi_set_rtc_mmss(unsigned long nowtime) return 0; } -unsigned long efi_get_time(void) +static unsigned long efi_get_time(void) { efi_status_t status; efi_time_t eft; @@ -621,18 +606,13 @@ static int __init efi_runtime_init(void) } /* * We will only need *early* access to the following - * two EFI runtime services before set_virtual_address_map + * EFI runtime service before set_virtual_address_map * is invoked. */ - efi_phys.get_time = (efi_get_time_t *)runtime->get_time; efi_phys.set_virtual_address_map = (efi_set_virtual_address_map_t *) runtime->set_virtual_address_map; - /* - * Make efi_get_time can be called before entering - * virtual mode. - */ - efi.get_time = phys_efi_get_time; + early_iounmap(runtime, sizeof(efi_runtime_services_t)); return 0; @@ -720,12 +700,10 @@ void __init efi_init(void) efi_enabled = 0; return; } -#ifdef CONFIG_X86_32 if (efi_native) { x86_platform.get_wallclock = efi_get_time; x86_platform.set_wallclock = efi_set_rtc_mmss; } -#endif #if EFI_DEBUG print_efi_memmap(); diff --git a/include/linux/efi.h b/include/linux/efi.h index ec45ccd8708..103adc6d7e3 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -503,8 +503,6 @@ extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); extern int __init efi_uart_console_only (void); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource, struct resource *bss_resource); -extern unsigned long efi_get_time(void); -extern int efi_set_rtc_mmss(unsigned long nowtime); extern void efi_reserve_boot_services(void); extern struct efi_memory_map memmap; diff --git a/init/main.c b/init/main.c index 1ca6b32c482..eef30128321 100644 --- a/init/main.c +++ b/init/main.c @@ -460,6 +460,10 @@ static void __init mm_init(void) percpu_init_late(); pgtable_cache_init(); vmalloc_init(); +#ifdef CONFIG_X86 + if (efi_enabled) + efi_enter_virtual_mode(); +#endif } asmlinkage void __init start_kernel(void) @@ -601,10 +605,6 @@ asmlinkage void __init start_kernel(void) calibrate_delay(); pidmap_init(); anon_vma_init(); -#ifdef CONFIG_X86 - if (efi_enabled) - efi_enter_virtual_mode(); -#endif thread_info_cache_init(); cred_init(); fork_init(totalram_pages); |