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authorDave Young <dyoung@redhat.com>2014-08-14 13:15:28 +0400
committerMatt Fleming <matt.fleming@intel.com>2014-10-03 21:40:59 +0400
commit5ae3683c380e78aebc60d710617ba2c0dccc9e84 (patch)
tree27bbb57319052f020bd06f11dcfdd1d61538bfab /drivers/firmware
parent6ccc72b87b83ece31c2a75bbe07f440b0378f7a9 (diff)
downloadlinux-5ae3683c380e78aebc60d710617ba2c0dccc9e84.tar.xz
efi: Add kernel param efi=noruntime
noefi kernel param means actually disabling efi runtime, Per suggestion from Leif Lindholm efi=noruntime should be better. But since noefi is already used in X86 thus just adding another param efi=noruntime for same purpose. Signed-off-by: Dave Young <dyoung@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/efi/efi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index c8f01a73edb5..cebfa36a27ae 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -54,6 +54,15 @@ bool efi_runtime_disabled(void)
return disable_runtime;
}
+static int __init parse_efi_cmdline(char *str)
+{
+ if (parse_option_str(str, "noruntime"))
+ disable_runtime = true;
+
+ return 0;
+}
+early_param("efi", parse_efi_cmdline);
+
static struct kobject *efi_kobj;
static struct kobject *efivars_kobj;