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efi: Move noefi early param code out of x86 arch code

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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>
This commit is contained in:
Dave Young 2014-08-14 17:15:26 +08:00 committed by Matt Fleming
parent 1282278ee0
commit b2e0a54a12
4 changed files with 16 additions and 10 deletions
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2
Documentation/kernel-parameters.txt
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@ -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]

10
arch/x86/platform/efi/efi.c
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@ -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())

13
drivers/firmware/efi/efi.c
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@ -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;

1
include/linux/efi.h
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@ -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 */