Re: PROPOSAL: Extend inline asm syntax with size spec

From: Peter Zijlstra
Date: Thu Nov 01 2018 - 07:16:21 EST


On Thu, Nov 01, 2018 at 02:20:40AM -0700, Joe Perches wrote:
> On Thu, 2018-11-01 at 10:01 +0100, Peter Zijlstra wrote:
> > On Wed, Oct 31, 2018 at 10:20:00PM -0700, Joe Perches wrote:
> > > On Wed, 2018-10-31 at 13:55 +0100, Peter Zijlstra wrote:
> > > > Anyway, with the below patch, I get:
> > > >
> > > > text data bss dec hex filename
> > > > 17385183 5064780 1953892 24403855 1745f8f defconfig-build/vmlinux
> > > > 17385678 5064780 1953892 24404350 174617e defconfig-build/vmlinux
> > > >
> > > > Which shows we inline more (look for asm_volatile for the actual
> > > > changes).
> > > []
> > > > scripts/checkpatch.pl | 8 ++---
> > > > scripts/genksyms/keywords.c | 4 +--
> > > > scripts/kernel-doc | 4 +--
> > >
> > > I believe these should be excluded from the conversions.
> >
> > Probably, yes. It compiled, which was all I cared about :-)
> >
> > BTW, if we do that conversion, we should upgrade the checkpatch warn to
> > an error I suppose.
>
> More like remove altogether as __inline and __inline__
> will no longer be #defined

That's the point, therefore checkpatch should error when it sees them.
Otherwise we'll grow new instances, because it will compile just file.