Re: [PATCH 1/2] lockdep: add lockdep_assert_not_held()
From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-02-14 17:53:59
Also in:
lkml, netdev
From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-02-14 17:53:59
Also in:
lkml, netdev
On Fri, Feb 12, 2021 at 04:28:42PM -0700, Shuah Khan wrote:
+#define lockdep_assert_not_held(l) do { \
+ WARN_ON(debug_locks && lockdep_is_held(l)); \
+ } while (0)
+This thing isn't as straight forward as you might think, but it'll mostly work. Notably this thing will misfire when lockdep_off() is employed. It certainyl needs a comment to explain the subtleties.