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SubjectRe: [PATCH] drivers: infiniband: sw: rxe: fix kconfig dependency on CRYPTO
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@kernel.org> wrote:
> >
> > On Fri, Feb 19, 2021 at 06:32:26PM -0500, Julian Braha wrote:
> > > commit 6e61907779ba99af785f5b2397a84077c289888a
> > > Author: Julian Braha <julianbraha@gmail.com>
> > > 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@gmail.com>
> >
> > 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@gmail.com/#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
> > >
> > >
> > >

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