diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index b9d4322e1e65..95c072b70d0e 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -27,18 +27,6 @@ #define __pure __attribute__((pure)) #endif #define noinline __attribute__((noinline)) -#ifdef __has_attribute -#if __has_attribute(disable_tail_calls) -#define __no_tail_call __attribute__((disable_tail_calls)) -#endif -#endif -#ifndef __no_tail_call -#if GCC_VERSION > 40201 -#define __no_tail_call __attribute__((optimize("no-optimize-sibling-calls"))) -#else -#define __no_tail_call -#endif -#endif #ifndef __packed #define __packed __attribute__((packed)) #endif diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index 2b3f7353e891..d22a974372c0 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -47,9 +47,6 @@ #ifndef noinline #define noinline #endif -#ifndef __no_tail_call -#define __no_tail_call -#endif /* Are two types/vars the same type (ignoring qualifiers)? */ #ifndef __same_type diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c index 2491d167bf76..83638097c3bc 100644 --- a/tools/perf/tests/dwarf-unwind.c +++ b/tools/perf/tests/dwarf-unwind.c @@ -95,7 +95,7 @@ static int unwind_entry(struct unwind_entry *entry, void *arg) return strcmp((const char *) symbol, funcs[idx]); } -__no_tail_call noinline int test_dwarf_unwind__thread(struct thread *thread) +noinline int test_dwarf_unwind__thread(struct thread *thread) { struct perf_sample sample; unsigned long cnt = 0; @@ -126,7 +126,7 @@ __no_tail_call noinline int test_dwarf_unwind__thread(struct thread *thread) static int global_unwind_retval = -INT_MAX; -__no_tail_call noinline int test_dwarf_unwind__compare(void *p1, void *p2) +noinline int test_dwarf_unwind__compare(void *p1, void *p2) { /* Any possible value should be 'thread' */ struct thread *thread = *(struct thread **)p1; @@ -145,7 +145,7 @@ __no_tail_call noinline int test_dwarf_unwind__compare(void *p1, void *p2) return p1 - p2; } -__no_tail_call noinline int test_dwarf_unwind__krava_3(struct thread *thread) +noinline int test_dwarf_unwind__krava_3(struct thread *thread) { struct thread *array[2] = {thread, thread}; void *fp = &bsearch; @@ -164,12 +164,12 @@ __no_tail_call noinline int test_dwarf_unwind__krava_3(struct thread *thread) return global_unwind_retval; } -__no_tail_call noinline int test_dwarf_unwind__krava_2(struct thread *thread) +noinline int test_dwarf_unwind__krava_2(struct thread *thread) { return test_dwarf_unwind__krava_3(thread); } -__no_tail_call noinline int test_dwarf_unwind__krava_1(struct thread *thread) +noinline int test_dwarf_unwind__krava_1(struct thread *thread) { return test_dwarf_unwind__krava_2(thread); }