This patch 2f02b4a12b24c9f077c6d739ac23c9b90840ccca:
Author: Luming Yu <luming.yu@xxxxxxxxx> 2009-12-04 09:14:30
[IA64] lockdep support
Basic functionality for lockdep on ia64.
Known issues:
0. dynamic allocate per CPU area in lockdep.
1. lock held in leave kernel.
2. enabling CONFIG_DEBUG_LOCKDEP triggers the lockdep warning.
3. Need to implement save_stack functions
4. Replace some cpp macros with inline functions
5. Add nmi_enter/nmi_exit
Signed-off-by: Bob Picco <bob.picco@xxxxxx>
Signed-off-by: Yu Luming <luming.yu@xxxxxxxxx>
Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
causes a very early MCA on an HP rx8640.
Unfortunately, even with early_printk turned on, the machine
encounters the MCA and reboots before any output occurs, so I
don't have any further information.
I haven't done any other triage on this as the patch has already
been dropped from Tony's tree, but I'd be happy to test the next
go-around.
Thanks,
/ac
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