On Mon, Feb 22, 2021 at 10:39:20AM +0800, Zhu Yanjun wrote: > On Sun, Feb 21, 2021 at 2:49 PM Leon Romanovsky <leon@xxxxxxxxxx> wrote: > > > > On Fri, Feb 19, 2021 at 06:32:26PM -0500, Julian Braha wrote: > > > commit 6e61907779ba99af785f5b2397a84077c289888a > > > Author: Julian Braha <julianbraha@xxxxxxxxx> > > > Date: Fri Feb 19 18:20:57 2021 -0500 > > > > > > drivers: infiniband: sw: rxe: fix kconfig dependency on CRYPTO > > > > > > When RDMA_RXE is enabled and CRYPTO is disabled, > > > Kbuild gives the following warning: > > > > > > WARNING: unmet direct dependencies detected for CRYPTO_CRC32 > > > Depends on [n]: CRYPTO [=n] > > > Selected by [y]: > > > - RDMA_RXE [=y] && (INFINIBAND_USER_ACCESS [=y] || !INFINIBAND_USER_ACCESS [=y]) && INET [=y] && PCI [=y] && INFINIBAND [=y] && INFINIBAND_VIRT_DMA [=y] > > > > > > This is because RDMA_RXE selects CRYPTO_CRC32, > > > without depending on or selecting CRYPTO, despite that config option > > > being subordinate to CRYPTO. > > > > > > Signed-off-by: Julian Braha <julianbraha@xxxxxxxxx> > > > > Please use git sent-email to send patches and please fix crypto Kconfig > > to enable CRYPTO if CRYPTO_* selected. > > > > It is a little bit awkward to request all users of CRYPTO_* to request > > select CRYPTO too. > > The same issue and similar patch is in this link: > > https://patchwork.kernel.org/project/linux-rdma/patch/20200915101559.33292-1-fazilyildiran@xxxxxxxxx/#23615747 So what prevents us from fixing CRYPTO Kconfig? Thanks > > Zhu Yanjun > > > > > Thanks > > > > > > > > diff --git a/drivers/infiniband/sw/rxe/Kconfig b/drivers/infiniband/sw/rxe/Kconfig > > > index 452149066792..06b8dc5093f7 100644 > > > --- a/drivers/infiniband/sw/rxe/Kconfig > > > +++ b/drivers/infiniband/sw/rxe/Kconfig > > > @@ -4,6 +4,7 @@ config RDMA_RXE > > > depends on INET && PCI && INFINIBAND > > > depends on INFINIBAND_VIRT_DMA > > > select NET_UDP_TUNNEL > > > + select CRYPTO > > > select CRYPTO_CRC32 > > > help > > > This driver implements the InfiniBand RDMA transport over > > > > > > > > >