2018-04-26 16:24 GMT+08:00 Christoph Hellwig <hch at lst.de>: > On Thu, Apr 26, 2018 at 04:06:34PM +0800, Greentime Hu wrote: >> It works!!! > > Thanks! > > Can you retest the updated tree here with all the fixes and give me > your Tested-by: for the generic and nds32 patches? > > git://git.infradead.org/users/hch/misc.git generic-dma-noncoherent Sorry Christoph. I found the previous mail I said it works was wrong because I used a wrong vmlinux. It still failed. >,<