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authorAngel Pons <th3fanbus@gmail.com>2021-01-04 17:56:44 +0100
committerNico Huber <nico.h@gmx.de>2021-02-12 19:29:07 +0000
commit11235d68750ff2274e21571210f95c018a295a36 (patch)
treef187ce9da1a67078d74aea48cbe9760d1122f265 /Documentation/releases
parenta5541225531a8b4ab12b01587b5cb8ba6c5168e9 (diff)
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>
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