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MIPS: lib: strnlen_user: Add EVA support

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In non-EVA mode, a strlen_user* alias is used for the
strlen_kernel* symbols since the code is identical. In EVA
mode, a new strlen_user* symbol is used which uses the EVA
specific instructions to load values from userspace.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
This commit is contained in:
Markos Chandras
2013-12-09 15:28:10 +00:00
committed by Ralf Baechle
parent c48be43eb5
commit 4968db4b9c
2 changed files with 24 additions and 0 deletions
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4
arch/mips/kernel/mips_ksyms.c
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@@ -22,6 +22,8 @@ extern long __strncpy_from_user_asm(char *__to, const char *__from,
long __len);
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);
extern long __strnlen_kernel_asm(const char *s);
extern long __strnlen_user_nocheck_asm(const char *s);
extern long __strnlen_user_asm(const char *s);
@@ -48,6 +50,8 @@ EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm);
EXPORT_SYMBOL(__strncpy_from_user_asm);
EXPORT_SYMBOL(__strlen_user_nocheck_asm);
EXPORT_SYMBOL(__strlen_user_asm);
EXPORT_SYMBOL(__strnlen_kernel_nocheck_asm);
EXPORT_SYMBOL(__strnlen_kernel_asm);
EXPORT_SYMBOL(__strnlen_user_nocheck_asm);
EXPORT_SYMBOL(__strnlen_user_asm);