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Diffstat (limited to 'arch/s390/kernel/ftrace.c')
-rw-r--r--arch/s390/kernel/ftrace.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 416b5a94353d..c46381ea04ec 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -49,26 +49,6 @@ struct ftrace_insn {
s32 disp;
} __packed;
-asm(
- " .align 16\n"
- "ftrace_shared_hotpatch_trampoline_br:\n"
- " lmg %r0,%r1,2(%r1)\n"
- " br %r1\n"
- "ftrace_shared_hotpatch_trampoline_br_end:\n"
-);
-
-#ifdef CONFIG_EXPOLINE
-asm(
- " .align 16\n"
- "ftrace_shared_hotpatch_trampoline_exrl:\n"
- " lmg %r0,%r1,2(%r1)\n"
- " exrl %r0,0f\n"
- " j .\n"
- "0: br %r1\n"
- "ftrace_shared_hotpatch_trampoline_exrl_end:\n"
-);
-#endif /* CONFIG_EXPOLINE */
-
#ifdef CONFIG_MODULES
static char *ftrace_plt;
#endif /* CONFIG_MODULES */
@@ -246,7 +226,7 @@ static int __init ftrace_plt_init(void)
start = ftrace_shared_hotpatch_trampoline(&end);
memcpy(ftrace_plt, start, end - start);
- set_memory_ro((unsigned long)ftrace_plt, 1);
+ set_memory_rox((unsigned long)ftrace_plt, 1);
return 0;
}
device_initcall(ftrace_plt_init);