dma-debug: check_for_stack background?

From: Stefan Richter
Date: Sun Jun 14 2009 - 14:56:48 EST


it took a while but I finally noticed that the DMA debug facility warns about mappings of on-stack memory. What's the problem with that? Are there architectures which don't support such mappings, or is it a question of caution not to DMA-map the stack?
Stefan Richter
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