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x86/efi: Add a "debug" option to the efi= cmdline

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... and hide the memory regions dump behind it. Make it default-off.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20141209095843.GA3990@pd.tnic
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
Borislav Petkov 2015-02-05 11:44:41 +01:00 • committed by Matt Fleming
commit fed6cefe3b
3 changed files with 7 additions and 2 deletions
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include/linux/efi.h
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@ -942,6 +942,7 @@ extern int __init efi_setup_pcdp_console(char *);
#define EFI_64BIT 5 /* Is the firmware 64-bit? */
#define EFI_PARAVIRT 6 /* Access is via a paravirt interface */
#define EFI_ARCH_1 7 /* First arch-specific bit */
#define EFI_DBG 8 /* Print additional debug info at runtime */
#ifdef CONFIG_EFI
/*