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authorHuang, Ying <ying.huang@intel.com>2008-06-20 16:39:21 +0800
committerIngo Molnar <mingo@elte.hu>2008-06-20 12:21:33 +0200
commit443cd507ce7f78c6f8742b72736585c031d5a921 (patch)
tree256182911b08287661beca1f90455b14cd0b9151 /include/linux/lockdep.h
parent2429e4ee78e2fa40f82a4572dd21d4f3b4de9325 (diff)
lockdep: add lock_class information to lock_chain and output it
This patch records array of lock_class into lock_chain, and export lock_chain information via /proc/lockdep_chains. It is based on x86/master branch of git-x86 tree, and has been tested on x86_64 platform. Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/lockdep.h')
-rw-r--r--include/linux/lockdep.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 4c4d236ded1..b26fbc715a5 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -182,6 +182,9 @@ struct lock_list {
* We record lock dependency chains, so that we can cache them:
*/
struct lock_chain {
+ u8 irq_context;
+ u8 depth;
+ u16 base;
struct list_head entry;
u64 chain_key;
};