Re: [PATCH 1/2] Correct function definition for C++

From: Joakim Tjernlund
Date: Wed Feb 22 2017 - 02:51:07 EST


On Wed, 2017-02-22 at 08:10 +0100, Greg KH wrote:
> On Tue, Feb 21, 2017 at 04:24:04PM +0100, Joakim Tjernlund wrote:
> > C++ does does not like the extra extern before asmlinkage, remove it.
> >
> > Signed-off-by: Joakim Tjernlund <joakim.tjernlund@xxxxxxxxxxxx>
> > ---
> > include/linux/printk.h | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/linux/printk.h b/include/linux/printk.h
> > index 3472cc6..be823f5 100644
> > --- a/include/linux/printk.h
> > +++ b/include/linux/printk.h
>
>
> Why are you building this file with a C++ compiler?

virtualbox uses C++ and includes various kernel headers and the build
fails, virtualbox guest additions has not build for quite some time now and
this is one of the problems.

>
> Also, this is not the correct way to submit patches for inclusion in the
> stable kernel tree. Please read Documentation/stable_kernel_rules.txt
> for how to do this properly.

Sorry, I was in a hurry(lazy:) so I just included stable directly as
I know it needs to be fixed in 4.9 as well.

Jocke