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(parent: 74aec96) | patch
Prefer CPUID leaf 1Fh for Intel CPU topology detection.
authorAlexander Motin <mav@FreeBSD.org>
Sat, 6 Nov 2021 04:48:37 +0000 (00:48 -0400)
committerAlexander Motin <mav@FreeBSD.org>
Sat, 6 Nov 2021 04:53:52 +0000 (00:53 -0400)
commit6badb512a94df667f0df1484fb288ece186305bd
tree4f3090f76d57272b7132869dca4d8d8705f2308etree | snapshot
parent74aec9618fd709513ef2d319598dd82801c29726commit | diff
Prefer CPUID leaf 1Fh for Intel CPU topology detection.

Leaf 1Fh is a prefered extended version of 0Bh.  It is supported by
new Lader Lake CPUs, though does not report anything new so far.

MFC after: 2 weeks
sys/x86/x86/mp_x86.c diff | blob | history
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