From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Ard Biesheuvel <ardb@kernel.org>,
linux-efi <linux-efi@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
Laszlo Ersek <lersek@redhat.com>,
Leif Lindholm <leif@nuviainc.com>,
Peter Jones <pjones@redhat.com>,
Matthew Garrett <mjg59@google.com>,
Alexander Graf <agraf@csgraf.de>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Daniel Kiper <daniel.kiper@oracle.com>
Subject: Re: [PATCH 2/2] efi/libstub: take noinitrd cmdline argument into account for devpath initrd
Date: Thu, 6 Feb 2020 23:44:04 +0000 [thread overview]
Message-ID: <CAKv+Gu8nfoz+5jXn_8Pdwp9Hs=jxvanwMmSYbu3otq=EPL41qw@mail.gmail.com> (raw)
In-Reply-To: <ea0b44d5-c9e4-943a-da81-8b4c8f1a371d@gmx.de>
On Thu, 6 Feb 2020 at 18:33, Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
>
> On 2/6/20 3:03 PM, Ard Biesheuvel wrote:
> > One of the advantages of using what basically amounts to a callback
> > interface into the bootloader for loading the initrd is that it provides
> > a natural place for the bootloader or firmware to measure the initrd
> > contents while they are being passed to the kernel.
> >
> > Unfortunately, this is not a guarantee that the initrd will in fact be
> > loaded and its /init invoked by the kernel, since the command line may
> > contain the 'noinitrd' option, in which case the initrd is ignored, but
> > this will not be reflected in the PCR that covers the initrd measurement.
>
> Does PCR here refer to the TPM Platform Configuration Register?
>
Yes.
next prev parent reply other threads:[~2020-02-06 23:44 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-06 14:03 [PATCH 0/2] arch-agnostic initrd loading method for EFI systems Ard Biesheuvel
2020-02-06 14:03 ` [PATCH 1/2] efi/libstub: add support for loading the initrd from a device path Ard Biesheuvel
2020-02-06 18:26 ` Heinrich Schuchardt
2020-02-06 18:46 ` Ilias Apalodimas
2020-02-06 19:15 ` Heinrich Schuchardt
2020-02-06 20:09 ` Ilias Apalodimas
2020-02-06 22:49 ` Heinrich Schuchardt
2020-02-07 7:35 ` Ilias Apalodimas
2020-02-06 22:35 ` Ard Biesheuvel
2020-02-07 0:01 ` Heinrich Schuchardt
2020-02-07 0:21 ` Ard Biesheuvel
2020-02-07 0:57 ` Heinrich Schuchardt
2020-02-07 8:12 ` Ard Biesheuvel
2020-02-07 13:30 ` Heinrich Schuchardt
2020-02-07 13:58 ` Ard Biesheuvel
2020-02-07 14:18 ` Alexander Graf
2020-02-07 15:30 ` Ard Biesheuvel
2020-02-07 15:35 ` Heinrich Schuchardt
2020-02-07 11:09 ` Laszlo Ersek
2020-02-07 11:03 ` Laszlo Ersek
2020-02-07 9:48 ` Laszlo Ersek
2020-02-07 12:36 ` Ard Biesheuvel
2020-02-10 14:26 ` Laszlo Ersek
2020-02-09 6:39 ` Lukas Wunner
2020-02-09 11:35 ` Ard Biesheuvel
2020-02-06 14:03 ` [PATCH 2/2] efi/libstub: take noinitrd cmdline argument into account for devpath initrd Ard Biesheuvel
2020-02-06 18:33 ` Heinrich Schuchardt
2020-02-06 23:44 ` Ard Biesheuvel [this message]
2020-02-12 16:01 ` Peter Jones
2020-02-07 9:09 ` [PATCH 0/2] arch-agnostic initrd loading method for EFI systems Laszlo Ersek
2020-02-07 9:22 ` Laszlo Ersek
2020-02-07 12:23 ` Ard Biesheuvel
2020-02-07 16:20 ` James Bottomley
2020-02-07 18:31 ` Ard Biesheuvel
2020-02-07 19:54 ` James Bottomley
2020-02-07 20:03 ` Ard Biesheuvel
2020-02-07 18:45 ` Arvind Sankar
2020-02-07 19:47 ` Ard Biesheuvel
2020-02-07 20:26 ` Arvind Sankar
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