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lf-6.6.52-2.2.1
linux-imx/net/smc/Kconfig
Gerd Bayer a72178cfe8 net/smc: Fix dependency of SMC on ISM 
When the SMC protocol is built into the kernel proper while ISM is
configured to be built as module, linking the kernel fails due to
unresolved dependencies out of net/smc/smc_ism.o to
ism_get_smcd_ops, ism_register_client, and ism_unregister_client
as reported via the linux-next test automation (see link).
This however is a bug introduced a while ago.

Correct the dependency list in ISM's and SMC's Kconfig to reflect the
dependencies that are actually inverted. With this you cannot build a
kernel with CONFIG_SMC=y and CONFIG_ISM=m. Either ISM needs to be 'y',
too - or a 'n'. That way, SMC can still be configured on non-s390
architectures that do not have (nor need) an ISM driver.

Fixes: 89e7d2ba61 ("net/ism: Add new API for client registration")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/linux-next/d53b5b50-d894-4df8-8969-fd39e63440ae@infradead.org/
Co-developed-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20231006125847.1517840-1-gbayer@linux.ibm.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-10 11:51:41 +02:00

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SPDX-License-Identifier: GPL-2.0-only

config SMC tristate "SMC socket protocol family" depends on INET && INFINIBAND depends on m || ISM != m help SMC-R provides a "sockets over RDMA" solution making use of RDMA over Converged Ethernet (RoCE) technology to upgrade AF_INET TCP connections transparently. The Linux implementation of the SMC-R solution is designed as a separate socket family SMC.

  Select this option if you want to run SMC socket applications

config SMC_DIAG tristate "SMC: socket monitoring interface" depends on SMC help Support for SMC socket monitoring interface used by tools such as smcss.

  if unsure, say Y.