Re: [LKP] 0a3856392c [ 10.513760] INFO: trying to register non-static key.

From: Rong Chen
Date: Wed Sep 12 2018 - 01:03:54 EST




On 09/07/2018 10:19 AM, Matthew Wilcox wrote:
On Fri, Sep 07, 2018 at 09:05:39AM +0800, kernel test robot wrote:
Greetings,

0day kernel testing robot got the below dmesg and the first bad commit is

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

commit 0a3856392cff1542170b5bc37211c9a21fd0c3f6
Author: Matthew Wilcox <willy@xxxxxxxxxxxxx>
AuthorDate: Mon Jun 18 17:23:37 2018 -0400
Commit: Matthew Wilcox <willy@xxxxxxxxxxxxx>
CommitDate: Tue Aug 21 23:54:20 2018 -0400

test_ida: Move ida_check_leaf
Convert to new API and move to kernel space. Take the opportunity to
test the situation a little more thoroughly (ie at different offsets).
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Thank you test-bot. Can you check if this patch fixes the problem?
Thanks, It works.

Best Regards,
Rong Chen


diff --git a/lib/test_ida.c b/lib/test_ida.c
index 2d1637d8136b..b06880625961 100644
--- a/lib/test_ida.c
+++ b/lib/test_ida.c
@@ -150,10 +150,10 @@ static void ida_check_conv(struct ida *ida)
IDA_BUG_ON(ida, !ida_is_empty(ida));
}
+static DEFINE_IDA(ida);
+
static int ida_checks(void)
{
- DEFINE_IDA(ida);
-
IDA_BUG_ON(&ida, !ida_is_empty(&ida));
ida_check_alloc(&ida);
ida_check_destroy(&ida);