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The logic of init_intel_cacheinfo() is quite convoluted: it mixes leaf 0x4 parsing, leaf 0x2 parsing, plus some post-processing, in a single place. Begin simplifying its logic by extracting the leaf 0x2 parsing code, and the post-processing logic, into their own functions. While at it, rework the SMT LLC topology ID comment for clarity. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20250324133324.23458-24-darwi@linutronix.de