Re: [GIT PULL] Please pull RDMA subsystem changes

[Jason Gunthorpe]

On Fri, Aug 17, 2018 at 01:50:05PM -0700, Linus Torvalds wrote:
> On Fri, Aug 17, 2018 at 12:44 PM Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > Ok, everything but the max_sge thing was trivial. I just took yours.
> 
> Oh, and doing the full test compile, I notice there  are new warnings.
>
> That is *NOT* ok.

I expect to send you a pull request to remove all of this next
week. This is fall out from the SMC merge conflict reversion.

> The whole "x is deprecated" is not a useful warning. If you can't
> remove something, making it a reminder for yourself for later is not
> an acceptable excuse for  bothering everybody else with the warning,
> and possibly having other issues hidden because by the time there are
> expected warnings, people will start ignoring the unexpected ones too.
> 
> So "__deprecated" is for stuff that really isn't used any more, to
> catch possible new users. People have tried to use it for anything
> else, but it's always  been a much bigger pain than it is worth.

In this case it has become confusing what
CONFIG_ENABLE_WARN_DEPRECATED is for.

If the kernel is supposed to compile warning free with that config
set, then why have the config at all - it does nothing, by definition?

Would you like a patch to remove that CONFIG option?

Jason