[openib-general] [PATCH] OpenSM - Clear IsSM bit when shuttin g down

[Eitan Zahavi]

If SM dies and the SM Bit is kept 

Michael S. Tsirkin [mailto:mst at mellanox.co.il] wrote:
"But, userspace clearly can not guarantee an operation on shutdown
(e.g. the app can be killed with -9).
Does not this mean we need a kernel component help, to make cleaning
IsSM in a robust fashion?"

[EZ] If SM dies and the SM Bit is kept as 1 (set) - the impact on the subnet
is minimal. The first SM to be run should query SM-Info on the port that has
the SM-Bit set. Since there is no SM there will it will never get an answer
- I.e. the SM dies.

So I do not see this as a high priority issue.


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