4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Martin Liska <mliska@xxxxxxx> commit 05384213436ab690c46d9dfec706b80ef8d671ab upstream. Starting from GCC 7.1, __gcov_exit is a new symbol expected to be implemented in a profiling runtime. [akpm@xxxxxxxxxxxxxxxxxxxx: coding-style fixes] [mliska@xxxxxxx: v2] Link: http://lkml.kernel.org/r/e63a3c59-0149-c97e-4084-20ca8f146b26@xxxxxxx Link: http://lkml.kernel.org/r/8c4084fa-3885-29fe-5fc4-0d4ca199c785@xxxxxxx Signed-off-by: Martin Liska <mliska@xxxxxxx> Acked-by: Peter Oberparleiter <oberpar@xxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/gcov/base.c | 6 ++++++ kernel/gcov/gcc_4_7.c | 4 +++- 2 files changed, 9 insertions(+), 1 deletion(-) --- a/kernel/gcov/base.c +++ b/kernel/gcov/base.c @@ -98,6 +98,12 @@ void __gcov_merge_icall_topn(gcov_type * } EXPORT_SYMBOL(__gcov_merge_icall_topn); +void __gcov_exit(void) +{ + /* Unused. */ +} +EXPORT_SYMBOL(__gcov_exit); + /** * gcov_enable_events - enable event reporting through gcov_event() * --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -18,7 +18,9 @@ #include <linux/vmalloc.h> #include "gcov.h" -#if (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1) +#if (__GNUC__ >= 7) +#define GCOV_COUNTERS 9 +#elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1) #define GCOV_COUNTERS 10 #elif __GNUC__ == 4 && __GNUC_MINOR__ >= 9 #define GCOV_COUNTERS 9