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Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6]

Started byMatt Fleming <matt@codeblueprint.co.uk>
First post2017-01-11 16:00 +0100
Last post2017-01-16 16:50 +0100
Articles 4 — 2 participants

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  Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6] Matt Fleming <matt@codeblueprint.co.uk> - 2017-01-11 16:00 +0100
    Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6] David Howells <dhowells@redhat.com> - 2017-01-11 16:40 +0100
      Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6] Matt Fleming <matt@codeblueprint.co.uk> - 2017-01-16 14:50 +0100
        Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6] David Howells <dhowells@redhat.com> - 2017-01-16 16:50 +0100

#1556558 — Re: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6]

FromMatt Fleming <matt@codeblueprint.co.uk>
Date2017-01-11 16:00 +0100
SubjectRe: [PATCH 8/8] efi: Add EFI_SECURE_BOOT bit [ver #6]
Message-ID<sYsxA-89i-17@gated-at.bofh.it>
On Thu, 08 Dec, at 12:31:08PM, David Howells wrote:
> From: Josh Boyer <jwboyer@fedoraproject.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@fedoraproject.org>
> Signed-off-by: David Howells <dhowells@redhat.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.

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#1556630

FromDavid Howells <dhowells@redhat.com>
Date2017-01-11 16:40 +0100
Message-ID<sYtah-an-13@gated-at.bofh.it>
In reply to#1556558
Matt Fleming <matt@codeblueprint.co.uk> wrote:

> 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.

Are you willing to take the kernel lock-down patches also?

David

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#1559750

FromMatt Fleming <matt@codeblueprint.co.uk>
Date2017-01-16 14:50 +0100
Message-ID<t0fPA-14g-21@gated-at.bofh.it>
In reply to#1556630
On Wed, 11 Jan, at 03:29:24PM, David Howells wrote:
> Matt Fleming <matt@codeblueprint.co.uk> wrote:
> 
> > 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.
> 
> Are you willing to take the kernel lock-down patches also?

I'm happy to take them through the EFI tree provided that they've been
Reviewed/Ack-ed by the security folks.

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#1559847

FromDavid Howells <dhowells@redhat.com>
Date2017-01-16 16:50 +0100
Message-ID<t0hHI-2nd-23@gated-at.bofh.it>
In reply to#1559750
Matt Fleming <matt@codeblueprint.co.uk> wrote:

> > > 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.
> > 
> > Are you willing to take the kernel lock-down patches also?
> 
> I'm happy to take them through the EFI tree provided that they've been
> Reviewed/Ack-ed by the security folks.

Thinking further about it, it might be best to push the EFI_SECURE_BOOT flag
into a later series and exclude that patch from this one.

David

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