Re: [PATCH v2 1/2] drivers/ras: Don't build debugfs.o if no debugfs in config

["Valdis Klētnieks" <valdis.kletnieks@vt.edu>]

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On Thu, 08 Aug 2019 11:31:01 +0200, Borislav Petkov said:
> > There's no reason to build the debugfs.o if the kernel config doesn't
> > even include CONFIG_DEBUG_FS
> >
> > Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
> >
> > diff --git a/drivers/ras/Makefile b/drivers/ras/Makefile
> > index ef6777e14d3d..07a5c391cc23 100644
> > --- a/drivers/ras/Makefile
> > +++ b/drivers/ras/Makefile
> > @@ -1,3 +1,6 @@
> >  # SPDX-License-Identifier: GPL-2.0-only
> > -obj-$(CONFIG_RAS)	+= ras.o debugfs.o
> > +obj-$(CONFIG_RAS)	+= ras.o
> > +ifeq ($(CONFIG_DEBUG_FS),y)
> > +obj-$(CONFIG_RAS)	+= debugfs.o
> > +endif
> >  obj-$(CONFIG_RAS_CEC)	+= cec.o
>
> If this is not causing real trouble then I'd prefer to keep it this way
> because ras.c is pretty useless without the debugfs functionality.

It's needed if somebody applies the patch 2/2 - and I just got a note from
the kbuild test robot saying that happened....

And if it's that useless, maybe *more* needs to be done to ensure that
debugfs is enabled if ras is being built - possibly a Kconfig 'select' or something....


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