tree f187ce9da1a67078d74aea48cbe9760d1122f265
parent a5541225531a8b4ab12b01587b5cb8ba6c5168e9
author Angel Pons <th3fanbus@gmail.com> 1609779404 +0100
committer Nico Huber <nico.h@gmx.de> 1613158147 +0000

cpu/intel/haswell/acpi.c: Correct `get_cores_per_package`

CPUID result does not change when HyperThreading is disabled on
HT-enabled CPUs, which breaks `generate_cpu_entries`. Use MSR 0x35
instead, which returns the currently-enabled core and thread count.
Also rename the function to `get_logical_cores_per_package, which is
more accurate. Based on commit 920d2b77f2 (cpu/intel/206ax/acpi.c: Fix
get_cores_per_package). The MSR definition is the same for Sandy Bridge
and Haswell.

Change-Id: I5e1789d3037780b4285c9e367ff0e2b0d4365b39
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49099
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>