The driver has a lot of quality issues due to the lack of RDMA-side
review, and explicitly bypasses APIs to register all memory once a
connection is made, and thus allows remote access to memoery.
Mark it as broken until at least that part is fixed.
Signed-off-by: Christoph Hellwig <h...@lst.de>
Cc: sta...@vger.kernel.org
---
net/smc/Kconfig | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/net/smc/Kconfig b/net/smc/Kconfig
index c717ef0896aa..fe6b78bc515f 100644
--- a/net/smc/Kconfig
+++ b/net/smc/Kconfig
@@ -1,6 +1,6 @@
config SMC
tristate "SMC socket protocol family"
- depends on INET && INFINIBAND
+ depends on INET && INFINIBAND && BROKEN
---help---
SMC-R provides a "sockets over RDMA" solution making use of
RDMA over Converged Ethernet (RoCE) technology to upgrade
@@ -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
--
2.11.0
