diff options
Diffstat (limited to 'arch/s390/kernel/ftrace.c')
| -rw-r--r-- | arch/s390/kernel/ftrace.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 6c79f1b44fe7..e0eaf11134b4 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -130,8 +130,7 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, /* Verify that the to be replaced code matches what we expect. */ if (memcmp(&orig, &old, sizeof(old))) return -EINVAL; - if (probe_kernel_write((void *) rec->ip, &new, sizeof(new))) - return -EPERM; + s390_kernel_write((void *) rec->ip, &new, sizeof(new)); return 0; } @@ -159,8 +158,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) /* Verify that the to be replaced code matches what we expect. */ if (memcmp(&orig, &old, sizeof(old))) return -EINVAL; - if (probe_kernel_write((void *) rec->ip, &new, sizeof(new))) - return -EPERM; + s390_kernel_write((void *) rec->ip, &new, sizeof(new)); return 0; } @@ -231,14 +229,16 @@ int ftrace_enable_ftrace_graph_caller(void) { u8 op = 0x04; /* set mask field to zero */ - return probe_kernel_write(__va(ftrace_graph_caller)+1, &op, sizeof(op)); + s390_kernel_write(__va(ftrace_graph_caller)+1, &op, sizeof(op)); + return 0; } int ftrace_disable_ftrace_graph_caller(void) { u8 op = 0xf4; /* set mask field to all ones */ - return probe_kernel_write(__va(ftrace_graph_caller)+1, &op, sizeof(op)); + s390_kernel_write(__va(ftrace_graph_caller)+1, &op, sizeof(op)); + return 0; } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ |