From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217])
 by mx.groups.io with SMTP id smtpd.web10.9680.1666358292811442383
 for <devel@edk2.groups.io>;
 Fri, 21 Oct 2022 06:18:12 -0700
Authentication-Results: mx.groups.io;
 dkim=pass header.i=@kernel.org header.s=k20201202 header.b=gACxA6ys;
 spf=pass (domain: kernel.org, ip: 139.178.84.217, mailfrom: ardb@kernel.org)
Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by dfw.source.kernel.org (Postfix) with ESMTPS id 1C9D761E9C
	for <devel@edk2.groups.io>; Fri, 21 Oct 2022 13:18:12 +0000 (UTC)
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 871B8C4347C
	for <devel@edk2.groups.io>; Fri, 21 Oct 2022 13:18:11 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;
	s=k20201202; t=1666358291;
	bh=S82BIwEe0dD7oq/ChRZnUWmadziTFpweP1gKHj33pvE=;
	h=References:In-Reply-To:From:Date:Subject:To:Cc:From;
	b=gACxA6ys9FsxkBf76YhSIGehSaM/0m5Vl07Fzg23tJcra/9E27UIgCWLjTVJUldN6
	 sWNFV3NwPuPkqDUT9oKHfaz7gydLUCaWTACxTsJP2ZQ1+0RWV9e240xLhn+c4VnMjh
	 /HTFYir9fAzwDff1Nh9N237C9RRkvuODFNm+LussFQ/IljcAhbN3pNox0MmZP/w2GS
	 Vxdiractr1dryX7HMJOBeBoX6xYFSGvqFFYXENcQD3QU73uLbZAiqoaEaX3e7KOX6a
	 7jGMDoH/It3ulMgpFiX+MwSNYVRcL/alUOA0PUli5fCwLJZbDJfpBpGEo3yBHJTau8
	 ZMB/A3ruKqJ8g==
Received: by mail-lj1-f170.google.com with SMTP id a25so3742381ljk.0
        for <devel@edk2.groups.io>; Fri, 21 Oct 2022 06:18:11 -0700 (PDT)
X-Gm-Message-State: ACrzQf0FP3cYHB30OFuEILTqNiT/o+VW26jOLoY8YJcJZ2hh/J5iHLIl
	deYcCCql3Q2lpNaY/0dqbOMzAsVeZdOnh3WumBc=
X-Google-Smtp-Source: AMsMyM5YmGU1JrAFSU3SztOfoef8QudBNGmfB8NfrK9AFYihEVp1hJMXn3XZWvJKvvERzs8mGke42kRt2h0/JgnNHII=
X-Received: by 2002:a2e:350f:0:b0:275:b975:a8a2 with SMTP id
 z15-20020a2e350f000000b00275b975a8a2mr1466284ljz.189.1666358289557; Fri, 21
 Oct 2022 06:18:09 -0700 (PDT)
MIME-Version: 1.0
References: <20221005203329.469866-1-dionnaglaze@google.com>
 <MWHPR11MB1631D7576710A4F755BDFC478C249@MWHPR11MB1631.namprd11.prod.outlook.com>
 <CAAH4kHYhCgqT+WW_echr=kuD9ZMXU9cWfeW1DiFHfAtvM5CpnQ@mail.gmail.com>
 <CAMj1kXH1aibhTUb1E1aYhnyZ-K5YmM032f613SDAbdO8a4YRFg@mail.gmail.com> <CAAH4kHZeVCWdsmikT0j-5Ugw4dZS2yvxWUzwJ5iSFYaX+hy-yg@mail.gmail.com>
In-Reply-To: <CAAH4kHZeVCWdsmikT0j-5Ugw4dZS2yvxWUzwJ5iSFYaX+hy-yg@mail.gmail.com>
From: "Ard Biesheuvel" <ardb@kernel.org>
Date: Fri, 21 Oct 2022 15:17:58 +0200
X-Gmail-Original-Message-ID: <CAMj1kXFpadyExC_zM9CU7b6CWN17O7PQC8eN17Cqhwz2BA4moQ@mail.gmail.com>
Message-ID: <CAMj1kXFpadyExC_zM9CU7b6CWN17O7PQC8eN17Cqhwz2BA4moQ@mail.gmail.com>
Subject: Re: [edk2-devel] [PATCH v7 0/7] Add safe unaccepted memory behavior
To: Dionna Amalie Glaze <dionnaglaze@google.com>
Cc: devel@edk2.groups.io, "Ni, Ray" <ray.ni@intel.com>, 
	"Xu, Min M" <min.m.xu@intel.com>, Gerd Hoffmann <kraxel@redhat.com>, 
	James Bottomley <jejb@linux.ibm.com>, Tom Lendacky <Thomas.Lendacky@amd.com>, 
	"Yao, Jiewen" <jiewen.yao@intel.com>, "Aktas, Erdem" <erdemaktas@google.com>, 
	Andrew Fish <afish@apple.com>, "Kinney, Michael D" <michael.d.kinney@intel.com>
Content-Type: text/plain; charset="UTF-8"

On Fri, 21 Oct 2022 at 00:37, Dionna Amalie Glaze
<dionnaglaze@google.com> wrote:
>
> > That assumes the variable is non-volatile, but I suppose we could use
> > a volatile variable [other than OsIndications] as well.
> >
>
> I suppose that's true. Would you prefer volatile versions of
> OsIndications/OsIndicationsSupported added to the spec, or this
> proposed one-off toggle protocol? No specified global variables seem
> overloadable with this duty.
>

No it would have to be a completely separate variable, I don't think
we can use OsIndications for this.