MIPS: lib: strlen_user: Add EVA support
In non-EVA mode, strlen_user* aliases are used for the
strlen_kernel* symbols since the code is identical. In EVA
mode, new strlen_user* symbols are used which use the EVA
specific instructions to load values from userspace.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index a322db0..742ed7d 100644
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -20,6 +20,8 @@
const char *__from, long __len);
extern long __strncpy_from_user_asm(char *__to, const char *__from,
long __len);
+extern long __strlen_kernel_nocheck_asm(const char *s);
+extern long __strlen_kernel_asm(const char *s);
extern long __strlen_user_nocheck_asm(const char *s);
extern long __strlen_user_asm(const char *s);
extern long __strnlen_kernel_nocheck_asm(const char *s);
@@ -48,6 +50,8 @@
EXPORT_SYMBOL(__bzero);
EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm);
EXPORT_SYMBOL(__strncpy_from_user_asm);
+EXPORT_SYMBOL(__strlen_kernel_nocheck_asm);
+EXPORT_SYMBOL(__strlen_kernel_asm);
EXPORT_SYMBOL(__strlen_user_nocheck_asm);
EXPORT_SYMBOL(__strlen_user_asm);
EXPORT_SYMBOL(__strnlen_kernel_nocheck_asm);