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From: Matthew Garrett <mjg59@google.com>
To: Daniel Kiper <daniel.kiper@oracle.com>
Cc: The development of GNU GRUB <grub-devel@gnu.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	trenchboot-devel@googlegroups.com,
	"the arch/x86 maintainers" <x86@kernel.org>,
	alexander.burmashev@oracle.com,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	"Daniel P. Smith" <dpsmith@apertussolutions.com>,
	eric.snowberg@oracle.com,
	Javier Martinez Canillas <javierm@redhat.com>,
	kanth.ghatraju@oracle.com, konrad.wilk@oracle.com,
	krystian.hebel@3mdeb.com, lukasz.hawrylko@linux.intel.com,
	michal.zygowski@3mdeb.com,
	"Vladimir 'phcoder' Serbinenko" <phcoder@gmail.com>,
	pirot.krol@3mdeb.com, Peter Jones <pjones@redhat.com>,
	Ross Philipson <ross.philipson@oracle.com>
Subject: Re: [GRUB PATCH RFC 12/18] i386/efi: Report UEFI Secure Boot status to the Linux kernel
Date: Wed, 6 May 2020 11:36:49 -0700	[thread overview]
Message-ID: <CACdnJuvsx_sRG=TAQzcgF6E+xdpcR_e0QURH6AnBSwJxVbOE1A@mail.gmail.com> (raw)
In-Reply-To: <20200506133306.xrzplgdt4cckgrqc@tomti.i.net-space.pl>

On Wed, May 6, 2020 at 6:33 AM Daniel Kiper <daniel.kiper@oracle.com> wrote:
>
> On Tue, May 05, 2020 at 10:29:05AM -0700, Matthew Garrett wrote:
> > On Mon, May 4, 2020 at 4:25 PM Daniel Kiper <daniel.kiper@oracle.com> wrote:
> > >
> > > Otherwise the kernel does not know its state and cannot enable various
> > > security features depending on UEFI Secure Boot.
> >
> > I think this needs more context. If the kernel is loaded via the EFI
> > boot stub, the kernel is aware of the UEFI secure boot state. Why
> > duplicate this functionality in order to avoid the EFI stub?
>
> It seems to me that this issue was discussed here [1] and here [2].
> So, if you want me to improve the commit message I am OK with that.

Yes, I think just providing an explanation for why it's currently
necessary for you to duplicate this is reasonable.

  reply	other threads:[~2020-05-06 18:37 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04 23:21 [GRUB PATCH RFC 00/18] i386: Intel TXT secure launcher Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 01/18] i386/msr: Merge rdmsr.h and wrmsr.h into msr.h Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 02/18] i386/msr: Rename grub_msr_read() and grub_msr_write() Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 03/18] i386/msr: Extract and improve MSR support detection code Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 04/18] i386/memory: Rename PAGE_SHIFT to GRUB_PAGE_SHIFT Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 05/18] i386/memory: Rename PAGE_SIZE to GRUB_PAGE_SIZE and make it global Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 06/18] mmap: Add grub_mmap_get_lowest() and grub_mmap_get_highest() Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 07/18] i386/tpm: Rename tpm module to tpm_verifier Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 08/18] i386/tpm: Add TPM TIS and CRB driver Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 09/18] efi: Make shim_lock GUID and protocol type public Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 10/18] efi: Return grub_efi_status_t from grub_efi_get_variable() Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 11/18] efi: Add a function to read EFI variables with attributes Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 12/18] i386/efi: Report UEFI Secure Boot status to the Linux kernel Daniel Kiper
2020-05-05 17:29   ` Matthew Garrett
2020-05-06 13:33     ` Daniel Kiper
2020-05-06 18:36       ` Matthew Garrett [this message]
2020-05-07 10:46         ` Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 13/18] i386/slaunch: Add basic platform support for secure launch Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 14/18] i386/txt: Add Intel TXT definitions header file Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 15/18] i386/txt: Add Intel TXT core implementation Daniel Kiper
2020-05-22 13:24   ` Krystian Hebel
2020-06-01 14:16     ` Ross Philipson
2020-05-04 23:21 ` [GRUB PATCH RFC 16/18] i386/txt: Add Intel TXT ACM module support Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 17/18] i386/txt: Add Intel TXT verification routines Daniel Kiper
2020-05-04 23:21 ` [GRUB PATCH RFC 18/18] i386/slaunch: Add secure launch framework and commands Daniel Kiper
2020-05-05 14:38 ` [GRUB PATCH RFC 00/18] i386: Intel TXT secure launcher Lukasz Hawrylko
2020-05-07 11:06   ` Daniel Kiper
2020-05-13 13:47     ` Lukasz Hawrylko
2020-06-01 15:32     ` Daniel P. Smith
2020-06-01 16:51       ` Andy Lutomirski
2020-06-01 17:56         ` Daniel P. Smith
2020-06-01 18:03           ` Ross Philipson
2020-06-01 19:39           ` Andy Lutomirski
2020-06-02  0:13             ` Daniel P. Smith
2020-06-02  0:49               ` Andy Lutomirski
2020-06-02  1:29                 ` Daniel P. Smith

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