V2 [PATCH] x86: Adjust tst-cpu-features-supports.c for GCC 11

[H.J. Lu]

On Fri, Dec 4, 2020 at 12:12 AM Florian Weimer <fweimer@redhat.com> wrote:
>
> * H. J. Lu via Libc-alpha:
>
> > Set RDRAND usable if CPU supports RDRAND.  Also check HAS_CPU_FEATURE
> > instead of CPU_FEATURE_USABLE for FSGSBASE, LM and XSAVES since
> > FSGSBASE/LM require kernel support and XSAVES is supervisor-mode only.
>
> I think the commit subject is misleading because the RDRAND part is a
> glibc bug fix.  Rest looks okay to me.
>

Here is the V2 patch.  It changed IBT and SHSTK to check HAS_CPU_FEATURE
since they need OS support.


-- 
H.J.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-x86-Adjust-tst-cpu-features-supports.c-for-GCC-11.patch
Type: text/x-patch
Size: 2652 bytes
Desc: not available
URL: <https://sourceware.org/pipermail/libc-alpha/attachments/20201204/5dbab260/attachment-0001.bin>