Due to the bitmap.h uses a unsigned long pointer for bitmap variable, Add an 'hexulong' is more convenient. Signed-off-by: Yang Shen <shenyang39@xxxxxxxxxx> --- include/linux/moduleparam.h | 7 ++++++- kernel/params.c | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 962cd41a2cb5..9e0828fa3946 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -118,7 +118,7 @@ struct kparam_array * you can create your own by defining those variables. * * Standard types are: - * byte, hexint, short, ushort, int, uint, long, ulong + * byte, hexint, hexulong, short, ushort, int, uint, long, ulong * charp: a character pointer * bool: a bool, values 0/1, y/n, Y/N. * invbool: the above, only sense-reversed (N = true). @@ -455,6 +455,11 @@ extern int param_set_hexint(const char *val, const struct kernel_param *kp); extern int param_get_hexint(char *buffer, const struct kernel_param *kp); #define param_check_hexint(name, p) param_check_uint(name, p) +extern const struct kernel_param_ops param_ops_hexulong; +extern int param_set_hexulong(const char *val, const struct kernel_param *kp); +extern int param_get_hexulong(char *buffer, const struct kernel_param *kp); +#define param_check_hexulong(name, p) param_check_ulong(name, p) + extern const struct kernel_param_ops param_ops_charp; extern int param_set_charp(const char *val, const struct kernel_param *kp); extern int param_get_charp(char *buffer, const struct kernel_param *kp); diff --git a/kernel/params.c b/kernel/params.c index 5b92310425c5..f367f0c1f228 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -242,6 +242,7 @@ STANDARD_PARAM_DEF(long, long, "%li", kstrtol); STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", kstrtoul); STANDARD_PARAM_DEF(ullong, unsigned long long, "%llu", kstrtoull); STANDARD_PARAM_DEF(hexint, unsigned int, "%#08x", kstrtouint); +STANDARD_PARAM_DEF(hexulong, unsigned long, "%#016lx", kstrtoul); int param_set_uint_minmax(const char *val, const struct kernel_param *kp, unsigned int min, unsigned int max) -- 2.24.0