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-rw-r--r--arch/x86/include/asm/efi.h1
-rw-r--r--arch/x86/kernel/setup.c6
-rw-r--r--arch/x86/platform/efi/efi.c21
-rw-r--r--include/linux/efi.h18
4 files changed, 21 insertions, 25 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 3d6b9f81cc68..a7a8bd89024e 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -119,7 +119,6 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
#endif /* CONFIG_X86_32 */
extern int add_efi_memmap;
-extern unsigned long x86_efi_facility;
extern struct efi_scratch efi_scratch;
extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
extern int efi_memblock_x86_reserve_range(void);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 06853e670354..3b5d278b7d5b 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -926,11 +926,11 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_EFI
if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
"EL32", 4)) {
- set_bit(EFI_BOOT, &x86_efi_facility);
+ set_bit(EFI_BOOT, &efi.flags);
} else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
"EL64", 4)) {
- set_bit(EFI_BOOT, &x86_efi_facility);
- set_bit(EFI_64BIT, &x86_efi_facility);
+ set_bit(EFI_BOOT, &efi.flags);
+ set_bit(EFI_64BIT, &efi.flags);
}
if (efi_enabled(EFI_BOOT))
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 1a201ac7cef8..821562984452 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -67,8 +67,6 @@ struct efi_memory_map memmap;
static struct efi efi_phys __initdata;
static efi_system_table_t efi_systab __initdata;
-unsigned long x86_efi_facility;
-
static __initdata efi_config_table_type_t arch_tables[] = {
#ifdef CONFIG_X86_UV
{UV_SYSTEM_TABLE_GUID, "UVsystab", &efi.uv_systab},
@@ -78,15 +76,6 @@ static __initdata efi_config_table_type_t arch_tables[] = {
u64 efi_setup; /* efi setup_data physical address */
-/*
- * 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 bool __initdata disable_runtime = false;
static int __init setup_noefi(char *arg)
{
@@ -455,7 +444,7 @@ void __init efi_reserve_boot_services(void)
void __init efi_unmap_memmap(void)
{
- clear_bit(EFI_MEMMAP, &x86_efi_facility);
+ clear_bit(EFI_MEMMAP, &efi.flags);
if (memmap.map) {
early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
memmap.map = NULL;
@@ -722,7 +711,7 @@ void __init efi_init(void)
if (efi_systab_init(efi_phys.systab))
return;
- set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
+ set_bit(EFI_SYSTEM_TABLES, &efi.flags);
efi.config_table = (unsigned long)efi.systab->tables;
efi.fw_vendor = (unsigned long)efi.systab->fw_vendor;
@@ -750,7 +739,7 @@ void __init efi_init(void)
if (efi_config_init(arch_tables))
return;
- set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
+ set_bit(EFI_CONFIG_TABLES, &efi.flags);
/*
* Note: We currently don't support runtime services on an EFI
@@ -762,12 +751,12 @@ void __init efi_init(void)
else {
if (disable_runtime || efi_runtime_init())
return;
- set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
+ set_bit(EFI_RUNTIME_SERVICES, &efi.flags);
}
if (efi_memmap_init())
return;
- set_bit(EFI_MEMMAP, &x86_efi_facility);
+ set_bit(EFI_MEMMAP, &efi.flags);
print_efi_memmap();
}
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 0a819e7a60c9..214833b4a97d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -573,6 +573,7 @@ extern struct efi {
efi_reset_system_t *reset_system;
efi_set_virtual_address_map_t *set_virtual_address_map;
struct efi_memory_map *memmap;
+ unsigned long flags;
} efi;
static inline int
@@ -660,17 +661,24 @@ extern int __init efi_setup_pcdp_console(char *);
#ifdef CONFIG_EFI
# ifdef CONFIG_X86
-extern int efi_enabled(int facility);
+
+/*
+ * Test whether the above EFI_* bits are enabled.
+ */
+static inline bool efi_enabled(int feature)
+{
+ return test_bit(feature, &efi.flags) != 0;
+}
# else
-static inline int efi_enabled(int facility)
+static inline bool efi_enabled(int feature)
{
- return 1;
+ return true;
}
# endif
#else
-static inline int efi_enabled(int facility)
+static inline bool efi_enabled(int feature)
{
- return 0;
+ return false;
}
#endif
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