From 98ededb61fafd303f2337f68b0326a4b95e3cebe Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 6 Sep 2019 09:55:50 +0200 Subject: x86/asm: Make some functions local labels Boris suggests to make a local label (prepend ".L") to these functions to eliminate them from the symbol table. These are functions with very local names and really should not be visible anywhere. Note that objtool won't see these functions anymore (to generate ORC debug info). But all the functions are not annotated with ENDPROC, so they won't have objtool's attention anyway. Signed-off-by: Jiri Slaby Signed-off-by: Borislav Petkov Cc: Andy Lutomirski Cc: Cao jin Cc: Greg Kroah-Hartman Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Josh Poimboeuf Cc: "Kirill A. Shutemov" Cc: Peter Zijlstra Cc: Steve Winslow Cc: Thomas Gleixner Cc: Wei Huang Cc: x86-ml Cc: Xiaoyao Li Link: https://lkml.kernel.org/r/20190906075550.23435-2-jslaby@suse.cz --- arch/x86/lib/getuser.S | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'arch/x86/lib/getuser.S') diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S index 304f958c27b2..9578eb88fc87 100644 --- a/arch/x86/lib/getuser.S +++ b/arch/x86/lib/getuser.S @@ -115,7 +115,7 @@ ENDPROC(__get_user_8) EXPORT_SYMBOL(__get_user_8) -bad_get_user_clac: +.Lbad_get_user_clac: ASM_CLAC bad_get_user: xor %edx,%edx @@ -123,7 +123,7 @@ bad_get_user: ret #ifdef CONFIG_X86_32 -bad_get_user_8_clac: +.Lbad_get_user_8_clac: ASM_CLAC bad_get_user_8: xor %edx,%edx @@ -132,12 +132,12 @@ bad_get_user_8: ret #endif - _ASM_EXTABLE_UA(1b, bad_get_user_clac) - _ASM_EXTABLE_UA(2b, bad_get_user_clac) - _ASM_EXTABLE_UA(3b, bad_get_user_clac) + _ASM_EXTABLE_UA(1b, .Lbad_get_user_clac) + _ASM_EXTABLE_UA(2b, .Lbad_get_user_clac) + _ASM_EXTABLE_UA(3b, .Lbad_get_user_clac) #ifdef CONFIG_X86_64 - _ASM_EXTABLE_UA(4b, bad_get_user_clac) + _ASM_EXTABLE_UA(4b, .Lbad_get_user_clac) #else - _ASM_EXTABLE_UA(4b, bad_get_user_8_clac) - _ASM_EXTABLE_UA(5b, bad_get_user_8_clac) + _ASM_EXTABLE_UA(4b, .Lbad_get_user_8_clac) + _ASM_EXTABLE_UA(5b, .Lbad_get_user_8_clac) #endif -- cgit v1.2.3