linux-kernel - Re: [PATCH v11 1/1] efi: a misc char interface for user to update efi firmware

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Date:	Sun, 7 Feb 2016 21:43:31 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	"Kweh, Hock Leong" <hock.leong.kweh@...el.com>
Cc:	Matt Fleming <matt@...sole-pimps.org>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Ong Boon Leong <boon.leong.ong@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-efi@...r.kernel.org,
	Sam Protsenko <semen.protsenko@...aro.org>,
	Peter Jones <pjones@...hat.com>,
	Andy Lutomirski <luto@...capital.net>,
	Roy Franz <roy.franz@...aro.org>,
	Borislav Petkov <bp@...en8.de>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	Anvin H Peter <h.peter.anvin@...el.com>
Subject: Re: [PATCH v11 1/1] efi: a misc char interface for user to update
 efi firmware

On Fri, Jan 29, 2016 at 12:39:54PM +0800, Kweh, Hock Leong wrote:
> From: "Kweh, Hock Leong" <hock.leong.kweh@...el.com>
> 
> Introducing a kernel module to expose capsule loader interface
> (misc char device file note) for users to upload capsule binaries.
> 
> Example:
> cat firmware.bin > /dev/efi_capsule_loader
> 
> This patch also export efi_capsule_supported() function symbol for
> verifying the submitted capsule header in this kernel module.
> 
> Cc: Matt Fleming <matt@...eblueprint.co.uk>
> Signed-off-by: Kweh, Hock Leong <hock.leong.kweh@...el.com>
> ---
>  drivers/firmware/efi/Kconfig          |    9 +
>  drivers/firmware/efi/Makefile         |    1 +
>  drivers/firmware/efi/capsule-loader.c |  334 +++++++++++++++++++++++++++++++++
>  drivers/firmware/efi/capsule.c        |    1 +
>  4 files changed, 345 insertions(+)
>  create mode 100644 drivers/firmware/efi/capsule-loader.c

I need an ack from the efi maintainer, or at least someone else
reviewing / testing this, before I can accept it.

thanks,

greg k-h