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Re: V3 [PATCH 03/24] x86: Support IBT and SHSTK in Intel CET [BZ #21598]

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).

-- 
Joseph S. Myers
joseph@codesourcery.com
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