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Do not use unsigned int if there is test for negative number... See drivers/acpi/processor_perflib.c static unsigned int ignore_ppc = -1; ... if (event == CPUFREQ_START && ignore_ppc <= 0) { ignore_ppc = 0; ... Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
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