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Re: [PATCH] NEWS: Intel CET support hasn't be validated for i686
- From: Joseph Myers <joseph at codesourcery dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Thu, 19 Jul 2018 17:15:27 +0000
- Subject: Re: [PATCH] NEWS: Intel CET support hasn't be validated for i686
- References: <CAMe9rOpBM0-tanrxEu9Vk=jdHpg=GGugP3TSm9BD+KUfDCVqEQ@mail.gmail.com>
On Thu, 19 Jul 2018, H.J. Lu wrote:
> On Wed, Jul 18, 2018 at 2:16 PM, Joseph Myers <joseph@codesourcery.com> wrote:
> > On Wed, 18 Jul 2018, H.J. Lu wrote:
> >
> >> 2. On 64-bit CET SDV under CET kernel with --enable-cet
> >> a. Only x86_64 and x32 tested.
> >> b. i686 isn't tested since 64-bit CET SDV doesn't support i686.
> >
> > So the key gap in test coverage is the lack of any evidence that the i686
> > code does actually work on CET processors. I think that at least merits a
> > warning in the NEWS and install.texi entries about the unvalidated nature
> > of the i686 CET support (which would be removed from install.texi at a
> > later date once the i686 support has been validated, on a simulator or
> > hardware, and any issues resolved).
> >
>
> How about this?
You're missing the update to install.texi.
People reading NEWS for this release need to see the caveat about the new
feature described.
People reading INSTALL for this or a later release need to see the caveat
about the configure option they are reading the documentation for, for as
long as that caveat applies.
Both places need the warning.
--
Joseph S. Myers
joseph@codesourcery.com