The patch titled
Fix compile if PREEMPT_RCU is set, but RCU_TRACE isn't
has been added to the -mm tree. Its filename is
rcu-debug-trace-for-rcu-fix.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Fix compile if PREEMPT_RCU is set, but RCU_TRACE isn't
From: Bernhard Rosenkraenzer <bero@xxxxxxxxxxxx>
2.6.20-rc6-mm1 fails to compile if CONFIG_PREEMPT_RCU is set and
CONFIG_RCU_TRACE isn' -- the fix is fairly obvious.
Signed-off-by: Bernhard Rosenkraenzer <bero@xxxxxxxxxxxx>
Cc: Dipankar Sarma <dipankar@xxxxxxxxxx>
Cc: Paul McKenney <paulmck@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
kernel/rcupreempt.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/rcupreempt.c~rcu-debug-trace-for-rcu-fix kernel/rcupreempt.c
--- a/kernel/rcupreempt.c~rcu-debug-trace-for-rcu-fix
+++ a/kernel/rcupreempt.c
@@ -619,7 +619,7 @@ void synchronize_kernel(void)
synchronize_rcu();
}
-#ifdef RCU_TRACE
+#ifdef CONFIG_RCU_TRACE
int *rcupreempt_flipctr(int cpu)
{
return &per_cpu(rcu_flipctr, cpu)[0];
_
Patches currently in -mm which might be from bero@xxxxxxxxxxxx are
rcu-debug-trace-for-rcu-fix.patch
-
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