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authorDave Young <dyoung@redhat.com>2014-08-14 17:15:26 +0800
committerMatt Fleming <matt.fleming@intel.com>2014-10-03 18:40:58 +0100
commitb2e0a54a1296a91b800f316df7bef7d1905e4fd0 (patch)
treeda46563d0e34f6d4d33c4952d73bb22576d47c6d
parent1282278ee00b41f314d1bce058a6b28b1bd49c21 (diff)
downloadlinux-b2e0a54a1296a91b800f316df7bef7d1905e4fd0.tar.gz
efi: Move noefi early param code out of x86 arch code
noefi param can be used for arches other than X86 later, thus move it
out of x86 platform code.

Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
-rw-r--r--Documentation/kernel-parameters.txt2
-rw-r--r--arch/x86/platform/efi/efi.c10
-rw-r--r--drivers/firmware/efi/efi.c13
-rw-r--r--include/linux/efi.h1
4 files changed, 16 insertions, 10 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 67d79597d9d6..08df275eee2b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2169,7 +2169,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	nodsp		[SH] Disable hardware DSP at boot time.
 
-	noefi		[X86] Disable EFI runtime services support.
+	noefi		Disable EFI runtime services support.
 
 	noexec		[IA-64]
 
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index a1f745b0bf1d..c90d3cd2728c 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -70,14 +70,6 @@ static efi_config_table_type_t arch_tables[] __initdata = {
 
 u64 efi_setup;		/* efi setup_data physical address */
 
-static bool disable_runtime __initdata = false;
-static int __init setup_noefi(char *arg)
-{
-	disable_runtime = true;
-	return 0;
-}
-early_param("noefi", setup_noefi);
-
 int add_efi_memmap;
 EXPORT_SYMBOL(add_efi_memmap);
 
@@ -492,7 +484,7 @@ void __init efi_init(void)
 	if (!efi_runtime_supported())
 		pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n");
 	else {
-		if (disable_runtime || efi_runtime_init())
+		if (efi_runtime_disabled() || efi_runtime_init())
 			return;
 	}
 	if (efi_memmap_init())
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 64ecbb501c50..c8f01a73edb5 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -41,6 +41,19 @@ struct efi __read_mostly efi = {
 };
 EXPORT_SYMBOL(efi);
 
+static bool disable_runtime;
+static int __init setup_noefi(char *arg)
+{
+	disable_runtime = true;
+	return 0;
+}
+early_param("noefi", setup_noefi);
+
+bool efi_runtime_disabled(void)
+{
+	return disable_runtime;
+}
+
 static struct kobject *efi_kobj;
 static struct kobject *efivars_kobj;
 
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 518779fb5e90..4812ed0b0374 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1229,4 +1229,5 @@ efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
 
 efi_status_t efi_parse_options(char *cmdline);
 
+bool efi_runtime_disabled(void);
 #endif /* _LINUX_EFI_H */