Messages in this thread | | | Date | Mon, 31 Oct 2022 09:58:57 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v3 2/2] x86: Fix /proc/cpuinfo cpumask warning |
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On Mon, Oct 31, 2022 at 09:06:04AM +0100, Andrew Jones wrote: > The valid cpumask range is [0, nr_cpu_ids) and cpumask_next() always > returns a CPU ID greater than its input, which results in its input > range being [-1, nr_cpu_ids - 1). Ensure showing CPU info avoids > triggering error conditions in cpumask_next() by stopping its loop
What error conditions?
What would happen if @n is outside of the valid range?
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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