linux-kernel - Re: [PATCH] Map in physical addresses in efi_map_region

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Message-ID: <20160810171951.GA214806@stormcage.americas.sgi.com>
Date:	Wed, 10 Aug 2016 12:19:51 -0500
From:	Alex Thorlton <athorlton@....com>
To:	Alex Thorlton <athorlton@....com>
Cc:	linux-kernel@...r.kernel.org, Russ Anderson <rja@....com>,
	Dimitri Sivanich <sivanich@....com>,
	Mike Travis <travis@....com>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-efi@...r.kernel.org
Subject: Re: [PATCH] Map in physical addresses in efi_map_region_fixed

On Fri, Aug 05, 2016 at 06:59:35PM -0500, Alex Thorlton wrote:
> This is a simple change to add in the physical mappings as well as the
> virtual mappings in efi_map_region_fixed.  The motivation here is to
> get access to EFI runtime code that is only available via the 1:1
> mappings on a kexec'd kernel.
> 
> The added call is essentially the kexec analog of the first __map_region
> that Boris put in efi_map_region in commit d2f7cbe7b26a ("x86/efi:
> Runtime services virtual mapping").

Just wanted to ping and see if anybody has had a chance to look at this?
Also, linux-kernel looks broken today (latest e-mails on lkml look to be
from last night?) so I wanted to send something to see if it goes
through :)

- Alex