On Mon, Feb 22, 2021 at 08:26:10AM -0800, Randy Dunlap wrote: > On 2/22/21 7:58 AM, Jason Gunthorpe wrote: > > On Mon, Feb 22, 2021 at 03:00:03PM +0200, Leon Romanovsky wrote: > >> 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? > > > > Yes, I would like to see someone deal with this properly, either every > > place doing select CRYPTO_XX needs fixing or something needs to be > > done in the crypto layer. > > > > I have no idea about kconfig to give advice, I've added Arnd since he > > always seems to know :) > > I will Ack the original patch in this thread. The one from Julian? > How many Mellanox drivers are you concerned about? ?? This is about rxe > You don't have to fix any other drivers that have a similar issue. Why shouldn't they be fixed too? There is nearly 1000 places that use a 'select CRYPTO_*' in the kernel. I see only 60 'select CRYPTO' statements. Jason