linux_dsm_epyc7002/net/smc/Kconfig
Christoph Hellwig 19a0f7e37c net/smc: Add warning about remote memory exposure
The driver explicitly bypasses APIs to register all memory once a
connection is made, and thus allows remote access to memory.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-16 14:49:43 -04:00

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config SMC
tristate "SMC socket protocol family"
depends on INET && INFINIBAND
---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.
Warning: SMC will expose all memory for remote reads and writes
once a connection is established. Don't enable this option except
for tightly controlled lab environment.
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.