[Bug libc/27398] x86: Improve testing false positive for tst-cpu-features-cpuinfo with bad hardware.

carlos at redhat dot com sourceware-bugzilla@sourceware.org
Tue Jan 18 16:35:55 GMT 2022


https://sourceware.org/bugzilla/show_bug.cgi?id=27398

--- Comment #17 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to H.J. Lu from comment #16)
> Created attachment 13914 [details]
> The v4 patch
> 
> Please try this.

That works. Extending it to cover 0xc stepping fixes both failures.

As one of the Intel maintainers for glibc I'm going to rely on your judgement
here if extending the errata to cover 0xc is acceptable. Worst case this is
pessimistic for this hardware and we get user feedback that they want the range
adjusted.

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