8300: switch to RAW_COPY_USER (33ab2da8) · Commits · 戴 / test

arch/h8300/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ config H8300
		select HAVE_ARCH_KGDB
		select HAVE_ARCH_HASH
		select CPU_NO_EFFICIENT_FFS
		select ARCH_HAS_RAW_COPY_USER

		config RWSEM_GENERIC_SPINLOCK
		def_bool y

+6 −4

Original line number	Diff line number	Diff line
		@@ -3,8 +3,8 @@

		#include <linux/string.h>

		static inline __must_check long __copy_from_user(void *to,
		const void __user * from, unsigned long n)
		static inline __must_check unsigned long
		raw_copy_from_user(void to, const void __user from, unsigned long n)
		{
		if (__builtin_constant_p(n)) {
		switch(n) {
		@@ -24,8 +24,8 @@ static inline __must_check long __copy_from_user(void *to,
		return 0;
		}

		static inline __must_check long __copy_to_user(void __user *to,
		const void *from, unsigned long n)
		static inline __must_check unsigned long
		raw_copy_to_user(void __user to, const void from, unsigned long n)
		{
		if (__builtin_constant_p(n)) {
		switch(n) {
		@@ -46,6 +46,8 @@ static inline __must_check long __copy_to_user(void __user *to,
		memcpy((void __force *)to, from, n);
		return 0;
		}
		#define INLINE_COPY_FROM_USER
		#define INLINE_COPY_TO_USER

		#include <asm-generic/uaccess.h>