Messages in this thread | | | Subject | Re: [PATCH v3 1/3] powerpc/512x: add LocalPlus Bus FIFO device driver | From | Timur Tabi <> | Date | Mon, 28 Sep 2015 08:18:21 -0500 |
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Alexander Popov wrote: > The only question I have: why calling dma_unmap_single() from within > a spinlock is a bad practice?
I don't know, but usually functions that allocate or free memory cannot be called from within a spinlock. You need to check that. Since the MPC5121 is a single-core CPU, you might not notice if you're doing something wrong.
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