Messages in this thread | | | Date | Fri, 8 May 2009 08:45:17 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] x86 MCE: shut up lockdep warning |
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On Fri, May 08, 2009 at 11:47:09AM +0800, Shaohua Li wrote: > lockdep report below warning when I try to offline one cpu: > [ 110.835487] ================================= > [ 110.835616] [ INFO: inconsistent lock state ] > [ 110.835688] 2.6.30-rc4-00336-g8c9ed89 #52 > [ 110.835757] --------------------------------- > [ 110.835828] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. > [ 110.835908] swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes: > [ 110.835982] (cmci_discover_lock){?.+...}, at: [<ffffffff80236dc0>] cmci_clear+0x30/0x9b > > smp_call_function_single() will disable interrupt. moving mce reenable/disable > to workqueue, so no irq is disabled.
Looks good. Thanks.
Acked-by: Andi Kleen <ak@linux.intel.com> > > Signed-off-by: Shaohua Li<shaohua.li@intel.com>
-Andi
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