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Date: Mon, 27 Mar 2023 15:37:09 +0200
From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io, ardb@kernel.org
Cc: quic_llindhol@quicinc.com, Rebecca Cran <rebecca@bsdio.com>, 
	Michael Kinney <michael.d.kinney@intel.com>, Liming Gao <gaoliming@byosoft.com.cn>, 
	Jiewen Yao <jiewen.yao@intel.com>, Michael Kubacki <michael.kubacki@microsoft.com>, 
	Sean Brogan <sean.brogan@microsoft.com>, Sami Mujawar <sami.mujawar@arm.com>, 
	Taylor Beebe <t@taylorbeebe.com>, Marvin =?utf-8?Q?H=C3=A4user?= <mhaeuser@posteo.de>, 
	Bob Feng <bob.c.feng@intel.com>
Subject: Re: [edk2-devel] [PATCH v2 00/17] Enable BTI support in memory attributes table
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References: <20230327110112.262503-1-ardb@kernel.org>
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  Hi,

> > I know you point out to use CLANG38, but the set is also tagged PATCH
> > rather than RFC.
> > I believe this option was added to GCC in version 9, meaning this is a
> > breaking change for GCC8. Now, GCC8 is ancient, but I expect it's
> > still what's available in RHEL8 for example. So it's worth mentioning.
> 
> Indeed.
> 
> So when and where to enable this (by default or not) is an open question.

No objections to requiring a newer compiler from my side.

Even with the default system compiler not changing through the whole
live cycle RHEL typically offers newer gcc versions as an option
(packaged as gcc-toolset-${version}-gcc, latest version available for
RHEL-8 is gcc-12).

take care,
  Gerd