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authorOleg Nesterov <oleg@redhat.com>2010-06-03 21:32:43 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-06-09 17:32:19 +0200
commit018378c55b03f88ff513aba4e0e93b8d4a9cf241 (patch)
treeaffdac6f6d78623e1d13d53feee25f43d4eacee7
parent147ec4d2361e355ab32499f739cc24845ceb89da (diff)
downloadop-kernel-dev-018378c55b03f88ff513aba4e0e93b8d4a9cf241.zip
op-kernel-dev-018378c55b03f88ff513aba4e0e93b8d4a9cf241.tar.gz
x86: Unify save_stack_address() and save_stack_address_nosched()
Cleanup. Factor the common code in save_stack_address() and save_stack_address_nosched(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Vegard Nossum <vegard.nossum@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> LKML-Reference: <20100603193243.GA31534@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
-rw-r--r--arch/x86/kernel/stacktrace.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index abc321d..b53c525 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -23,13 +23,16 @@ static int save_stack_stack(void *data, char *name)
return 0;
}
-static void save_stack_address(void *data, unsigned long addr, int reliable)
+static void
+__save_stack_address(void *data, unsigned long addr, bool reliable, bool nosched)
{
struct stack_trace *trace = data;
#ifdef CONFIG_FRAME_POINTER
if (!reliable)
return;
#endif
+ if (nosched && in_sched_functions(addr))
+ return;
if (trace->skip > 0) {
trace->skip--;
return;
@@ -38,22 +41,15 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
trace->entries[trace->nr_entries++] = addr;
}
+static void save_stack_address(void *data, unsigned long addr, int reliable)
+{
+ return __save_stack_address(data, addr, reliable, false);
+}
+
static void
save_stack_address_nosched(void *data, unsigned long addr, int reliable)
{
- struct stack_trace *trace = data;
-#ifdef CONFIG_FRAME_POINTER
- if (!reliable)
- return;
-#endif
- if (in_sched_functions(addr))
- return;
- if (trace->skip > 0) {
- trace->skip--;
- return;
- }
- if (trace->nr_entries < trace->max_entries)
- trace->entries[trace->nr_entries++] = addr;
+ return __save_stack_address(data, addr, reliable, true);
}
static const struct stacktrace_ops save_stack_ops = {
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