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Message-ID: <20180828235747.GJ18030@decadent.org.uk>
Date: Wed, 29 Aug 2018 00:57:47 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: Sasha Levin <Alexander.Levin@...rosoft.com>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] liblockdep: Stub task_struct::state
lockdep_print_held_locks() now checks task_struct::state. Define it
so that all tasks are assumed to be running, since we have no
reasonble way to tell in user-space.
Fixes: 8cc05c71ba5f ("locking/lockdep: Move sanity check to inside ...")
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
tools/include/linux/lockdep.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/include/linux/lockdep.h b/tools/include/linux/lockdep.h
index 6b0c36a58fcb..8e84609afb04 100644
--- a/tools/include/linux/lockdep.h
+++ b/tools/include/linux/lockdep.h
@@ -31,12 +31,16 @@ struct task_struct {
gfp_t lockdep_reclaim_gfp;
int pid;
char comm[17];
+ long state;
};
extern struct task_struct *__curr(void);
#define current (__curr())
+/* lockdep checks task_struct::state == TASK_RUNNING */
+#define TASK_RUNNING 0
+
static inline int debug_locks_off(void)
{
return 1;
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