Re: [PATCH v2] codafs: Fix build using bare-metal toolchain

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On Tue, Oct 30, 2018 at 02:01:04PM +0200, Sam Protsenko wrote:
> On Tue, Oct 30, 2018 at 8:34 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > On Mon, Oct 29, 2018 at 10:05:49PM +0200, Sam Protsenko wrote:
> >> Hi Greg,
> >>
> >> On Mon, Oct 29, 2018 at 10:03 PM, Sam Protsenko
> >> <semen.protsenko@xxxxxxxxxx> wrote:
> >> > The kernel is self-contained project and can be built with bare-metal
> >> > toolchain. But bare-metal toolchain doesn't define __linux__. Because of
> >> > this u_quad_t type is not defined when using bare-metal toolchain and
> >> > codafs build fails. This patch fixes it by defining u_quad_t type
> >> > unconditionally.
> >> >
> >> > Signed-off-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
> >> > ---
> >>
> >> Can you please pull this one, if this applicable? I sent it a while
> >> ago, but I guess it got lost in mailing list. It might be also
> >> applicable to stable branch (as it fixes allmodconfig build for ARM
> >> with bare-metal toolchain).
> >
> > Why are you asking me?  I'm not the maintainer of this file :(
> >
> > confused,
> >
> 
> Sorry to bother you. I just thought you might be interested in this
> one, as it fixes build for "allmodconfig" configuration, hence it can
> be related to stable branch. Also, maintainers didn't respond to that
> patch, so I'm kinda dead in the water.
> 
> Anyway, will try to ping maintainers one more time.

I thought I had responded, I didn't see a reason why one would want to
compile non-userspace kernel headers outside of the context of the
kernel and if you do have to do that why not just add -D__linux__.

However, I can also see the point that anything not in uapi/ pretty much
by definition will be compiled with __linux__ defined so it actually
doesn't make a discernable difference to just drop the ifdef and I'm
fine with a patch like this.

These trivial patches typically get picked up through kernel janitors,
or maybe an akpm linux-next patch queue. In fact, I'm not even sure if
there is a designated person I would be passing updates to, I've sent
patches to akpm, viro, hellwig, linus, and gregkh at various times.

Jan



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