diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 032560295fcb..d08e4d2a9b92 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -590,6 +590,21 @@ static inline int cpulist_scnprintf(char *buf, int len, nr_cpumask_bits); } +/** + * cpumask_parse - extract a cpumask from from a string + * @buf: the buffer to extract from + * @dstp: the cpumask to set. + * + * Returns -errno, or 0 for success. + */ +static inline int cpumask_parse(const char *buf, struct cpumask *dstp) +{ + char *nl = strchr(buf, '\n'); + int len = nl ? nl - buf : strlen(buf); + + return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits); +} + /** * cpulist_parse - extract a cpumask from a user string of ranges * @buf: the buffer to extract from