From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 23 Apr 2018 13:55:16 +0200 From: Greg Kroah-Hartman To: Hans de Goede Cc: Darren Hart , Andy Shevchenko , Ard Biesheuvel , "Luis R . Rodriguez" , Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Jones , Dave Olsthoorn , Will Deacon , Andy Lutomirski , Matt Fleming , David Howells , Mimi Zohar , Josh Triplett , dmitry.torokhov@gmail.com, mfuzzey@parkeon.com, keescook@chromium.org, Kalle Valo , Arend Van Spriel , Linus Torvalds , nbroeking@me.com, bjorn.andersson@linaro.org, Torsten Duwe , 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180408174014.21908-2-hdegoede@redhat.com> User-Agent: Mutt/1.9.5 (2018-04-13) X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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 For the debugfs interaction: Reviewed-by: Greg Kroah-Hartman