From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH] VTd/dmar: Tweak how the DMAR table is
	clobbered
Date: Thu, 9 Apr 2015 09:51:08 +0100
Message-ID: <55263D7C.6030308@citrix.com>
References: <1428522270-17363-1-git-send-email-andrew.cooper3@citrix.com>
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Cc: Yang Zhang <yang.z.zhang@intel.com>, Kevin Tian <kevin.tian@intel.com>
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On 08/04/15 20:44, Andrew Cooper wrote:
> Intead of clobbering DMAR -> XMAR and back, clobber to RMAD instead.  This
> means that changing the signature does not alter the checksum, which allows
> the clobbering/unclobbering to be peformed atomically and idempotently, which
> is an advantage on the kexec path which can reenter acpi_dmar_reinstate().

Could RMAD be specified as a real table in the future?  Does the
clobbered name have to start with X to avoid future conflicts?

David