linux-kernel - Re: [PATCH 8/8] efi: Add EFI_SECURE

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Message-ID: <20170111145138.GB29649@codeblueprint.co.uk>
Date:   Wed, 11 Jan 2017 14:51:38 +0000
From:   Matt Fleming <matt@...eblueprint.co.uk>
To:     David Howells <dhowells@...hat.com>
Cc:     ard.biesheuvel@...aro.org, linux-efi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, keyrings@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6]

On Thu, 08 Dec, at 12:31:08PM, David Howells wrote:
> From: Josh Boyer <jwboyer@...oraproject.org>
> 
> UEFI machines can be booted in Secure Boot mode.  Add a EFI_SECURE_BOOT bit
> that can be passed to efi_enabled() to find out whether secure boot is
> enabled.
> 
> This will be used by the SysRq+x handler, registered by the x86 arch, to find
> out whether secure boot mode is enabled so that it can be disabled.
> 
> Signed-off-by: Josh Boyer <jwboyer@...oraproject.org>
> Signed-off-by: David Howells <dhowells@...hat.com>
> ---
> 
>  arch/x86/kernel/setup.c |   15 +++++++++++++++
>  include/linux/efi.h     |    1 +
>  2 files changed, 16 insertions(+)

Before we add more efi.flags bits I'd like this series to include the
patch that makes use of EFI_SECURE_BOOT. Alternatively, you move this
last patch to a new series.