linux-kernel - Re: [PATCH V3 11/11] Add option to automatically enforce module signatures when in Secure Boot mode

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Date:	Wed, 4 Sep 2013 01:42:12 +0000
From:	Matthew Garrett <matthew.garrett@...ula.com>
To:	James Morris <jmorris@...ei.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"keescook@...omium.org" <keescook@...omium.org>,
	"hpa@...or.com" <hpa@...or.com>
Subject: Re: [PATCH V3 11/11] Add option to automatically enforce module
 signatures when in Secure Boot mode

On Wed, 2013-09-04 at 11:42 +1000, James Morris wrote:
> On Tue, 3 Sep 2013, Matthew Garrett wrote:
> 
> > +	status = efi_call_phys5(sys_table->runtime->get_variable,
> > +				L"SecureBoot", &var_guid, NULL, &datasize, &sb);
> > +
> 
> 
> What's 'L' ?

Wide-character string constant. UEFI variable names are 16-bits per
character.

-- 
Matthew Garrett <matthew.garrett@...ula.com>