From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH] efi: Avoid calling boot services after
 ExitBootServices()
Date: Tue, 9 Jun 2015 16:55:15 +0100
Message-ID: <1433865315.17838.3.camel@citrix.com>
References: <1433862375-9259-1-git-send-email-ross.lagerwall@citrix.com>
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To: Ross Lagerwall <ross.lagerwall@citrix.com>
Cc: Keir Fraser <keir@xen.org>, Andrew Cooper <andrew.cooper3@citrix.com>, Tim Deegan <tim@xen.org>, xen-devel@lists.xen.org, Stefano Stabellini <stefano.stabellini@citrix.com>, Jan Beulich <jbeulich@suse.com>
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On Tue, 2015-06-09 at 16:06 +0100, Ross Lagerwall wrote:
> After the first call to ExitBootServices(), avoid calling any boot
> services (except GetMemoryMap() and ExitBootServices()) by setting
> setting efi_bs to NULL and halting in blexit(). Only GetMemoryMap() and
> ExitBootServices() are explicitly allowed to be called after the first
> call to ExitBootServices() and so are are called via
> SystemTable->BootServices.
> 
> Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>

Acked-by: Ian Campbell <ian.campbell@citrix.com>