linux-kernel - Re: [PATCH 0/2] Couple of efivarfs fixes

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Message-ID: <CAMj1kXGOpFP7TRLOFQ_KjPpbVBZP-yXdv_=9dEaTe9S9C-u6fA@mail.gmail.com>
Date:   Mon, 15 Jun 2020 11:50:46 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Tony Luck <tony.luck@...el.com>
Cc:     Matthew Garrett <matthew.garrett@...ula.com>,
        Jeremy Kerr <jk@...abs.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] Couple of efivarfs fixes

On Thu, 28 May 2020 at 21:49, Tony Luck <tony.luck@...el.com> wrote:
>
> 1) Some apps want to monitor changes in EFI variables, but reading the
>    file and comparing is inefficient.  Just have Linnux update the
>    modification time when a file is written
>
> 2) A rate limited read can return -EINTR ... very suprising to apps.
>
> Tony Luck (2):
>   efivarfs: Update inode modification time for successful writes
>   efivarfs: Don't return -EINTR when rate-limiting reads
>
>  fs/efivarfs/file.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
>

Queued in efi/urgent

Thanks,