linux-kernel - Re: [PATCH] IB/rxe: fix kconfig dependency warning for RDMA

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Message-ID: <20200915112341.GU904879@nvidia.com>
Date:   Tue, 15 Sep 2020 08:23:41 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Necip Fazil Yildiran <fazilyildiran@...il.com>
CC:     <dledford@...hat.com>, <linux-rdma@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <paul@...zz.com>,
        <jeho@...utexas.edu>
Subject: Re: [PATCH] IB/rxe: fix kconfig dependency warning for RDMA_RXE

On Tue, Sep 15, 2020 at 01:16:00PM +0300, Necip Fazil Yildiran wrote:
> When RDMA_RXE is enabled and CRYPTO is disabled, it results in the
> following Kbuild 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] && (!64BIT || ARCH_DMA_ADDR_T_64BIT [=n])

?? how did you get here? I thought the kconfig front ends were
supposed to prevent this.

Jason