diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/kernel/ftrace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 77857d4f7d0..c56d7389432 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c | |||
@@ -124,6 +124,10 @@ static void ftrace_mod_code(void) | |||
124 | */ | 124 | */ |
125 | mod_code_status = probe_kernel_write(mod_code_ip, mod_code_newcode, | 125 | mod_code_status = probe_kernel_write(mod_code_ip, mod_code_newcode, |
126 | MCOUNT_INSN_SIZE); | 126 | MCOUNT_INSN_SIZE); |
127 | |||
128 | /* if we fail, then kill any new writers */ | ||
129 | if (mod_code_status) | ||
130 | mod_code_write = 0; | ||
127 | } | 131 | } |
128 | 132 | ||
129 | void ftrace_nmi_enter(void) | 133 | void ftrace_nmi_enter(void) |