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authorOlof Johansson <olof@lixom.net>2013-08-29 10:44:42 -0700
committerOlof Johansson <olof@lixom.net>2013-08-29 10:44:42 -0700
commit293d0e3bf0818f3f7307a56d3ac31f41b5078aa1 (patch)
treeaab2e5026c66d52581c39b5c21aca6e3fd8d0357 /kernel/trace/trace.h
parenta9b1ae088dcb68c1c026dfaf88e2f223eef31678 (diff)
parent3a76b35186cb967a69c4a3935caf2fdf428e933b (diff)
Merge branch 'armsoc/for-3.12/soc' of git://github.com/broadcom/bcm11351 into next/boards
From Christian Daudt, SoC changes for Broadcom. * 'armsoc/for-3.12/soc' of git://github.com/broadcom/bcm11351: (673 commits) ARM: bcm: Make secure API call optional ARM: DT: binding fixup to align with vendor-prefixes.txt (drivers) ARM: mmc: fix NONREMOVABLE test in sdhci-bcm-kona ARM: bcm: Rename board_bcm mmc: sdhci-bcm-kona: make linker-section warning go away ARM: configs: disable DEBUG_LL in bcm_defconfig ARM: bcm281xx: Board specific reboot code ARM bcm281xx: Turn on socket & network support. ARM: bcm281xx: Turn on L2 cache. + Linux 3.11-rc4 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 4a4f6e1828b6..afaae41b0a02 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -130,19 +130,12 @@ enum trace_flag_type {
struct trace_array;
-struct trace_cpu {
- struct trace_array *tr;
- struct dentry *dir;
- int cpu;
-};
-
/*
* The CPU trace array - it consists of thousands of trace entries
* plus some other descriptor data: (for example which task started
* the trace, etc.)
*/
struct trace_array_cpu {
- struct trace_cpu trace_cpu;
atomic_t disabled;
void *buffer_page; /* ring buffer spare */
@@ -196,7 +189,6 @@ struct trace_array {
bool allocated_snapshot;
#endif
int buffer_disabled;
- struct trace_cpu trace_cpu; /* place holder */
#ifdef CONFIG_FTRACE_SYSCALLS
int sys_refcount_enter;
int sys_refcount_exit;
@@ -214,7 +206,6 @@ struct trace_array {
struct dentry *event_dir;
struct list_head systems;
struct list_head events;
- struct task_struct *waiter;
int ref;
};
@@ -680,6 +671,15 @@ extern int trace_selftest_startup_sched_switch(struct tracer *trace,
struct trace_array *tr);
extern int trace_selftest_startup_branch(struct tracer *trace,
struct trace_array *tr);
+/*
+ * Tracer data references selftest functions that only occur
+ * on boot up. These can be __init functions. Thus, when selftests
+ * are enabled, then the tracers need to reference __init functions.
+ */
+#define __tracer_data __refdata
+#else
+/* Tracers are seldom changed. Optimize when selftests are disabled. */
+#define __tracer_data __read_mostly
#endif /* CONFIG_FTRACE_STARTUP_TEST */
extern void *head_page(struct trace_array_cpu *data);