On Sun, Jan 26 2014, Jose Alonso wrote: > > I observed that there are for_each macros that do an extra memory access > beyond the defined area. > Normally this does not cause problems. > But, this can cause exceptions. For example: if the area is allocated at > the end of a page and the next page is not accessible. > > For correctness, I suggest changing the arguments of the 'for loop' like > others 'for_each' do in the kernel. > > files involved: > drivers/s390/cio/qdio.h > drivers/scsi/isci/host.h > drivers/sh/clk/core.c > include/linux/blk-mq.h > include/linux/shdma-base.h > sound/soc/sh/rcar/adg.c
Thanks, I'll dig out the blk-mq bit. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
