x86/cpu/topology: Retrieve cores per package from topology bitmaps

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Similar to other sizing information the number of cores per package can be
established from the topology bitmap.

Provide a function for retrieving that information and replace the buggy
hack in the CPUID evaluation with it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20240213210252.956858282@linutronix.de

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This commit is contained in:

Thomas Gleixner 2024-02-13 22:06:10 +01:00

parent 380414be78

commit 3205c9833d

3 changed files with 57 additions and 15 deletions

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43

arch/x86/kernel/cpu/topology.c

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11

arch/x86/kernel/cpu/topology.h

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18

arch/x86/kernel/cpu/topology_common.c

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