linux-kernel - Re: [PATCH 7/7] efi: Print the secure boot status in x86 setup

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Message-ID: <13280.1486138918@warthog.procyon.org.uk>
Date:   Fri, 03 Feb 2017 16:21:58 +0000
From:   David Howells <dhowells@...hat.com>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     dhowells@...hat.com, Matt Fleming <matt@...eblueprint.co.uk>,
        "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        keyrings@...r.kernel.org,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 7/7] efi: Print the secure boot status in x86 setup_arch() [ver #7]

Ard Biesheuvel <ard.biesheuvel@...aro.org> wrote:

> > +       if (IS_ENABLED(CONFIG_EFI)) {
> 
> Shouldn't this be a runtime check?

Interesting question.  The original patch I was working from had a #ifdef
here.  Possibly it doesn't need to be there at all.  We could rely entirely on
the value of boot_params.secure_boot.

David