[PATCH -mm 6/6] cpu_relax(): ptrace.c coding style fix
From: Andreas Mohr
Date: Wed Jun 21 2006 - 17:00:07 EST
Fix existing cpu_relax() loop to have proper kernel style.
Tested on 2.6.17-mm1.
Signed-off-by: Andreas Mohr <andi@xxxxxxxx>
diff -urN linux-2.6.17-mm1.orig/kernel/ptrace.c linux-2.6.17-mm1.my/kernel/ptrace.c
--- linux-2.6.17-mm1.orig/kernel/ptrace.c 2006-06-21 14:28:20.000000000 +0200
+++ linux-2.6.17-mm1.my/kernel/ptrace.c 2006-06-21 14:43:24.000000000 +0200
@@ -182,9 +182,8 @@
if (!write_trylock(&tasklist_lock)) {
local_irq_enable();
task_unlock(task);
- do {
+ while (!write_can_lock(&tasklist_lock))
cpu_relax();
- } while (!write_can_lock(&tasklist_lock));
goto repeat;
}
-
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