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Date:   Mon, 23 Apr 2018 13:55:16 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Hans de Goede <hdegoede@redhat.com>
Cc:     Darren Hart <dvhart@infradead.org>,
        Andy Shevchenko <andy@infradead.org>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>,
        "Luis R . Rodriguez" <mcgrof@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org,
        Peter Jones <pjones@redhat.com>,
        Dave Olsthoorn <dave@bewaar.me>,
        Will Deacon <will.deacon@arm.com>,
        Andy Lutomirski <luto@kernel.org>,
        Matt Fleming <matt@codeblueprint.co.uk>,
        David Howells <dhowells@redhat.com>,
        Mimi Zohar <zohar@linux.vnet.ibm.com>,
        Josh Triplett <josh@joshtriplett.org>,
        dmitry.torokhov@gmail.com, mfuzzey@parkeon.com,
        keescook@chromium.org, Kalle Valo <kvalo@codeaurora.org>,
        Arend Van Spriel <arend.vanspriel@broadcom.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        nbroeking@me.com, bjorn.andersson@linaro.org,
        Torsten Duwe <duwe@suse.de>, x86@kernel.org,
        linux-efi@vger.kernel.org
Subject: Re: [PATCH v3 1/5] efi: Export boot-services code and data as
 debugfs-blobs
Message-ID: <20180423115516.GA7951@kroah.com>
References: <20180408174014.21908-1-hdegoede@redhat.com>
 <20180408174014.21908-2-hdegoede@redhat.com>
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On Sun, Apr 08, 2018 at 07:40:10PM +0200, Hans de Goede wrote:
> Sometimes it is useful to be able to dump the efi boot-services code and
> data. This commit adds these as debugfs-blobs to /sys/kernel/debug/efi,
> but only if efi=debug is passed on the kernel-commandline as this requires
> not freeing those memory-regions, which costs 20+ MB of RAM.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

For the debugfs interaction:

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>