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authorMichal Marek <mmarek@suse.cz>2013-02-25 21:50:05 +0100
committerMichal Marek <mmarek@suse.cz>2013-02-25 21:51:57 +0100
commite3900e74f26fc924c8e9e2a922bd40369b0bb517 (patch)
tree6e868575d346032ba9408f350c6e5369e0e52b0d /kernel/trace/trace_stack.c
parentkbuild: Fix missing '\n' for NEW symbols in yes "" | make oldconfig >conf.new (diff)
parentMerge branch 'yem-kconfig-rc-fixes' of git://gitorious.org/linux-kconfig/linux-kconfig into kbuild/rc-fixes (diff)
downloadwireguard-linux-e3900e74f26fc924c8e9e2a922bd40369b0bb517.tar.xz
wireguard-linux-e3900e74f26fc924c8e9e2a922bd40369b0bb517.zip
Merge branch 'kbuild/rc-fixes' into kbuild/kconfig
There is one kconfig fix in the rc-fixes branch that I forgot to submit for 3.8, so let's add it to the kconfig branch for 3.9-rc1.
Diffstat (limited to 'kernel/trace/trace_stack.c')
-rw-r--r--kernel/trace/trace_stack.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 0c1b165778e5..42ca822fc701 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -33,7 +33,6 @@ static unsigned long max_stack_size;
static arch_spinlock_t max_stack_lock =
(arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;
-static int stack_trace_disabled __read_mostly;
static DEFINE_PER_CPU(int, trace_active);
static DEFINE_MUTEX(stack_sysctl_mutex);
@@ -116,9 +115,6 @@ stack_trace_call(unsigned long ip, unsigned long parent_ip,
{
int cpu;
- if (unlikely(!ftrace_enabled || stack_trace_disabled))
- return;
-
preempt_disable_notrace();
cpu = raw_smp_processor_id();