On Fri, 2019-09-20 at 19:24 +0900, Masahiro Yamada wrote: > Hi Qian, > > On Thu, Sep 19, 2019 at 10:06 PM Qian Cai <cai@xxxxxx> wrote: > > > > The commit 5489c8e0cf03 ("arm64: use asm-generic/dma-mapping.h") introduced a > > kbuild warning, > > > > scripts/Makefile.asm-generic:25: redundant generic-y found in > > arch/arm64/include/asm/Kbuild: dma-mapping.h > > > > > > Which tree did you test? It was yesterday's linux-next (next-20190918) with this config [1], but it seems gone in today's linux-next. [1] https://raw.githubusercontent.com/cailca/linux-mm/master/arm64.config > > I tried the latest Linus tree (, which contains 5489c8e0cf03), > but I did not see this warning. > > >