[Ksummit-discuss] No more module removal -- Unconference track

[Theodore Ts'o]

On Tue, Aug 26, 2014 at 02:24:33PM +0900, Masami Hiramatsu wrote:
> There could be. However, in usual usecases, I guess people will not want
> to unload it. Systemtap or something "additional" module users will
> need to unload modules. (kpatch could be one of them, but I also think
> no one want to remove applied patches anyway.)
> 
> I just tried to show that the kmodule unload is the one who uses
> stop_machine heavily but it is not necessary :)

Right, but if the argument that kmodule unload is slow on huge NUMA
machines is that Rusty submits a patch which gets rid of the support
for module unload entirely, then that would be very sad.  (And
**really** screw over systemtap...)

							- Ted