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-rw-r--r--arch/powerpc/include/asm/ftrace.h19
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
index 259b9dd5fe1c..91c049d51d0e 100644
--- a/arch/powerpc/include/asm/ftrace.h
+++ b/arch/powerpc/include/asm/ftrace.h
@@ -10,6 +10,13 @@
#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
+/* Ignore unused weak functions which will have larger offsets */
+#ifdef CONFIG_MPROFILE_KERNEL
+#define FTRACE_MCOUNT_MAX_OFFSET 12
+#elif defined(CONFIG_PPC32)
+#define FTRACE_MCOUNT_MAX_OFFSET 8
+#endif
+
#ifndef __ASSEMBLY__
extern void _mcount(void);
@@ -84,17 +91,6 @@ void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
* those.
*/
#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
-#ifdef CONFIG_PPC64_ELF_ABI_V1
-static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
-{
- /* We need to skip past the initial dot, and the __se_sys alias */
- return !strcmp(sym + 1, name) ||
- (!strncmp(sym, ".__se_sys", 9) && !strcmp(sym + 6, name)) ||
- (!strncmp(sym, ".ppc_", 5) && !strcmp(sym + 5, name + 4)) ||
- (!strncmp(sym, ".ppc32_", 7) && !strcmp(sym + 7, name + 4)) ||
- (!strncmp(sym, ".ppc64_", 7) && !strcmp(sym + 7, name + 4));
-}
-#else
static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
{
return !strcmp(sym, name) ||
@@ -103,7 +99,6 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name
(!strncmp(sym, "ppc32_", 6) && !strcmp(sym + 6, name + 4)) ||
(!strncmp(sym, "ppc64_", 6) && !strcmp(sym + 6, name + 4));
}
-#endif /* CONFIG_PPC64_ELF_ABI_V1 */
#endif /* CONFIG_FTRACE_SYSCALLS */
#if defined(CONFIG_PPC64) && defined(CONFIG_FUNCTION_TRACER)