diff options
Diffstat (limited to 'arch/x86/platform/efi')
| -rw-r--r-- | arch/x86/platform/efi/efi-bgrt.c | 7 | ||||
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 21 |
2 files changed, 12 insertions, 16 deletions
diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c index d9c1b95af17c..7145ec63c520 100644 --- a/arch/x86/platform/efi/efi-bgrt.c +++ b/arch/x86/platform/efi/efi-bgrt.c @@ -11,20 +11,21 @@ * published by the Free Software Foundation. */ #include <linux/kernel.h> +#include <linux/init.h> #include <linux/acpi.h> #include <linux/efi.h> #include <linux/efi-bgrt.h> struct acpi_table_bgrt *bgrt_tab; -void *bgrt_image; -size_t bgrt_image_size; +void *__initdata bgrt_image; +size_t __initdata bgrt_image_size; struct bmp_header { u16 id; u32 size; } __packed; -void efi_bgrt_init(void) +void __init efi_bgrt_init(void) { acpi_status status; void __iomem *image; diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 77cf0090c0a3..5f2ecaf3f9d8 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -69,11 +69,6 @@ struct efi_memory_map memmap; 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_enabled(EFI_64BIT); -} - unsigned long x86_efi_facility; /* @@ -85,9 +80,10 @@ int efi_enabled(int facility) } EXPORT_SYMBOL(efi_enabled); +static bool __initdata disable_runtime = false; static int __init setup_noefi(char *arg) { - clear_bit(EFI_BOOT, &x86_efi_facility); + disable_runtime = true; return 0; } early_param("noefi", setup_noefi); @@ -416,8 +412,8 @@ void __init efi_reserve_boot_services(void) * - Not within any part of the kernel * - Not the bios reserved area */ - if ((start+size >= virt_to_phys(_text) - && start <= virt_to_phys(_end)) || + if ((start+size >= __pa_symbol(_text) + && start <= __pa_symbol(_end)) || !e820_all_mapped(start, start+size, E820_RAM) || memblock_is_region_reserved(start, size)) { /* Could not reserve, skip it */ @@ -734,7 +730,7 @@ 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()) + if (disable_runtime || efi_runtime_init()) return; set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility); } @@ -843,7 +839,7 @@ void __init efi_enter_virtual_mode(void) efi_memory_desc_t *md, *prev_md = NULL; efi_status_t status; unsigned long size; - u64 end, systab, end_pfn; + u64 end, systab, start_pfn, end_pfn; void *p, *va, *new_memmap = NULL; int count = 0; @@ -896,10 +892,9 @@ void __init efi_enter_virtual_mode(void) size = md->num_pages << EFI_PAGE_SHIFT; end = md->phys_addr + size; + start_pfn = PFN_DOWN(md->phys_addr); end_pfn = PFN_UP(end); - if (end_pfn <= max_low_pfn_mapped - || (end_pfn > (1UL << (32 - PAGE_SHIFT)) - && end_pfn <= max_pfn_mapped)) { + if (pfn_range_is_mapped(start_pfn, end_pfn)) { va = __va(md->phys_addr); if (!(md->attribute & EFI_MEMORY_WB)) |