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From: Kees Cook <keescook@chromium.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org,
	Matthew Garrett <mjg59@google.com>,
	Peter Jones <pjones@redhat.com>,
	Anton Vorontsov <anton@enomsg.org>,
	Colin Cross <ccross@android.com>, Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH 1/7] efi: pstore: disentangle from deprecated efivars module
Date: Wed, 23 Sep 2020 11:41:24 -0700	[thread overview]
Message-ID: <202009231140.B4648C6@keescook> (raw)
In-Reply-To: <20200923161404.17811-2-ardb@kernel.org>

On Wed, Sep 23, 2020 at 06:13:58PM +0200, Ard Biesheuvel wrote:
> The EFI pstore implementation relies on the 'efivars' abstraction,
> which encapsulates the EFI variable store in a way that can be
> overridden by other backing stores, like the Google SMI one.
> 
> On top of that, the EFI pstore implementation also relies on the
> efivars.ko module, which is a separate layer built on top of the
> 'efivars' abstraction that exposes the [deprecated] sysfs entries
> for each variable that exists in the backing store.
> 
> Since the efivars.ko module is deprecated, and all users appear to
> have moved to the efivarfs file system instead, let's prepare for
> its removal, by removing EFI pstore's dependency on it.
> 
> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

With this and the other pstore patch, do the pstore self-tests still
pass on an EFI system?

If so, please consider both:

Acked-by: Kees Cook <keescook@chromium.org>

Thanks!

-- 
Kees Cook

  reply	other threads:[~2020-09-23 18:41 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-23 16:13 [PATCH 0/7] efi: deprecate/remove efivars sysfs interface Ard Biesheuvel
2020-09-23 16:13 ` [PATCH 1/7] efi: pstore: disentangle from deprecated efivars module Ard Biesheuvel
2020-09-23 18:41   ` Kees Cook [this message]
2020-09-23 18:43     ` Ard Biesheuvel
2020-09-23 21:02       ` Kees Cook
2020-09-24  9:45         ` Ard Biesheuvel
2020-09-24 10:30           ` Ard Biesheuvel
2020-09-23 16:13 ` [PATCH 2/7] efi: pstore: move workqueue handling out of efivars Ard Biesheuvel
2020-09-23 16:14 ` [PATCH 3/7] efi: efivars: un-export efivars_sysfs_init() Ard Biesheuvel
2020-09-23 16:14 ` [PATCH 4/7] efi: gsmi: fix false dependency on CONFIG_EFI_VARS Ard Biesheuvel
2020-09-23 16:14 ` [PATCH 5/7] efi: remove some false dependencies " Ard Biesheuvel
2020-09-23 16:14 ` [PATCH 6/7] efi: efivars: limit availability to X86 builds Ard Biesheuvel
2020-09-23 16:14 ` [PATCH 7/7] efi: efivars: remove deprecated sysfs interface Ard Biesheuvel

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