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author | Ingo Molnar <mingo@elte.hu> | 2011-01-09 04:42:21 -0500 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-01-09 04:42:21 -0500 |
commit | 4385428a477559b26736cc3c80d8b68f31126c71 (patch) | |
tree | 8eb0cbc78e79c368687fa13a1e0674ae537f830f /arch/x86/kernel/ftrace.c | |
parent | 047a3772feaae8e43d81d790f3d3f80dae8ae676 (diff) | |
parent | 2d75af2f2a7a6103a6d539a492fe81deacabde44 (diff) |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
Diffstat (limited to 'arch/x86/kernel/ftrace.c')
-rw-r--r-- | arch/x86/kernel/ftrace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 3afb33f14d2d..298448656b60 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c | |||
@@ -19,6 +19,7 @@ | |||
19 | #include <linux/sched.h> | 19 | #include <linux/sched.h> |
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <linux/list.h> | 21 | #include <linux/list.h> |
22 | #include <linux/module.h> | ||
22 | 23 | ||
23 | #include <trace/syscall.h> | 24 | #include <trace/syscall.h> |
24 | 25 | ||
@@ -49,6 +50,7 @@ static DEFINE_PER_CPU(int, save_modifying_code); | |||
49 | int ftrace_arch_code_modify_prepare(void) | 50 | int ftrace_arch_code_modify_prepare(void) |
50 | { | 51 | { |
51 | set_kernel_text_rw(); | 52 | set_kernel_text_rw(); |
53 | set_all_modules_text_rw(); | ||
52 | modifying_code = 1; | 54 | modifying_code = 1; |
53 | return 0; | 55 | return 0; |
54 | } | 56 | } |
@@ -56,6 +58,7 @@ int ftrace_arch_code_modify_prepare(void) | |||
56 | int ftrace_arch_code_modify_post_process(void) | 58 | int ftrace_arch_code_modify_post_process(void) |
57 | { | 59 | { |
58 | modifying_code = 0; | 60 | modifying_code = 0; |
61 | set_all_modules_text_ro(); | ||
59 | set_kernel_text_ro(); | 62 | set_kernel_text_ro(); |
60 | return 0; | 63 | return 0; |
61 | } | 64 | } |