[Ksummit-discuss] No more module removal -- Unconference track
Jiri Kosina
jkosina at suse.cz
Tue Aug 26 21:45:05 UTC 2014
On Tue, 26 Aug 2014, David Howells wrote:
> > What I found is that the module unloading involving 2 stop_machine()s
> > for each module removing. It must not be needed.
>
> IIRC, at least one of the stop_machine() calls was to prevent problems between
> module removal oopsing and the symbol lookup trying to look up whilst dumping
> the oops.
This would be solved if symbol lookup would be RCU-ized though.
--
Jiri Kosina
SUSE Labs
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