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Commit 19a0f7e3 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by David S. Miller
Browse files

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: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Acked-by: default avatarUrsula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 263eec9b

net/smc/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -8,6 +8,10 @@ config SMC 
	  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