On Sun, Aug 12, 2018 at 11:41 PM Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > > On Fri, Aug 10, 2018 at 11:52:01AM -0700, Andrey Smirnov wrote: > > Together FEC driver and parts of IP stack might end up trying to > > memcpy() small chunks of memory from uncached (that is Device memory) > > addresses that are not properly aligned, leading to data abort. > > > > To prevent such cases, add code to guard unaligned accesses and > > redirect them to byte-wise implementations which do not have the above > > problem. > > Please no. IMO this problem only shows that the FEC driver shouldn't use > dma_alloc_coherent() to allocate its receive buffers, but instead should > use dma_alloc + dma_sync_*. OK, will work on that approach in v2. Thanks, Andrey Smirnov _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
