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authorSatoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>2013-02-14 09:07:35 +0900
committerMatt Fleming <matt.fleming@intel.com>2013-02-14 10:36:18 +0000
commit6b59e366e074d3962e04f01efb8acc10a33c0e1e (patch)
tree0cc0f5de6582ee866c249deed2afd8fa6dee1407 /arch/x86
parentda27a24383b2b10bf6ebd0db29b325548aafecb4 (diff)
downloadop-kernel-dev-6b59e366e074d3962e04f01efb8acc10a33c0e1e.zip
op-kernel-dev-6b59e366e074d3962e04f01efb8acc10a33c0e1e.tar.gz
x86, efi: remove duplicate code in setup_arch() by using, efi_is_native()
The check, "IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)", in setup_arch() can be replaced by efi_is_enabled(). This change remove duplicate code and improve readability. Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Olof Johansson <olof@lixom.net> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/efi.h9
-rw-r--r--arch/x86/kernel/setup.c3
-rw-r--r--arch/x86/platform/efi/efi.c5
3 files changed, 9 insertions, 8 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 28677c5..60c89f3 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -102,7 +102,14 @@ extern void efi_call_phys_epilog(void);
extern void efi_unmap_memmap(void);
extern void efi_memory_uc(u64 addr, unsigned long size);
-#ifndef CONFIG_EFI
+#ifdef CONFIG_EFI
+
+static inline bool efi_is_native(void)
+{
+ return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
+}
+
+#else
/*
* IF EFI is not configured, have the EFI calls return -ENOSYS.
*/
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 8b24289..1abb796 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1135,8 +1135,7 @@ void __init setup_arch(char **cmdline_p)
* mismatched firmware/kernel archtectures since there is no
* support for runtime services.
*/
- if (efi_enabled(EFI_BOOT) &&
- IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) {
+ if (efi_enabled(EFI_BOOT) && !efi_is_native()) {
pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n");
efi_unmap_memmap();
}
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 77cf009..e075e47 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;
/*
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