treewide replacement of fallthrough comments with "fallthrough" macro (was Re: [RFC PATCH] compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use)

[Kees Cook]

On Thu, Aug 15, 2019 at 11:15:53AM -0700, Kees Cook wrote:
> With that out of the way, yes, let's do a mass conversion. As mentioned
> before, I think "fallthrough;" should be used here (to match "break;").
> Let's fork the C language. :)

FWIW, last week I asked Linus at the maintainer's summit which he
preferred ("__fallthrough" or "fallthrough") and he said "fallthrough".

Joe, if you've still got the series ready, do you want to send it for
this merge window before -rc1 gets cut?

-- 
Kees Cook