Messages in this thread | | | Subject | Re: WARNING: at drivers/dma/dmaengine.c:352 dma_issue_pending_all+0x77/0x15d() | From | Dan Williams <> | Date | Mon, 19 Jan 2009 15:18:52 -0700 |
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On Mon, 2009-01-19 at 15:04 -0700, Dan Williams wrote: > On Mon, 2009-01-19 at 14:31 -0700, Ingo Molnar wrote: > > FYI, i'm getting this on a testbox, on v2.6.29-rc2: > > Thanks for the report. I assume this is with CONFIG_DMA_ENGINE=n? > dma_issue_pending_all should be a nop in that case. I'll apply the > following with your confirmation. >
Spoke too soon, the call to dma_issue_pending_all is protected by ifdef CONFIG_NET_DMA. Reading that counter without synchronizing with dma_list_mutex is a problem. I think I'll just remove the warnings for now.
-- Dan
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