Re: [Xen-devel] [RFC 27/29] build: convert HAS_GICV3 use to Kconfig

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 06/10/2015 10:56, George Dunlap wrote:
> On Mon, Oct 5, 2015 at 11:25 PM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> > Hi,
> >
> > On 05/10/2015 23:03, Doug Goldstein wrote:
> > > Use the Kconfig generated CONFIG_HAS_GICV3 defines in the code base.
> >
> > If you are going to rename all HAS_* to CONFIG_HAS_, please drop the HAS
> > which is now redundant.
> >
> > > Signed-off-by: Doug Goldstein <cardoe@xxxxxxxxxx>
> > > ---
> > >    xen/arch/arm/Kconfig         | 4 ++++
> > >    xen/arch/arm/Makefile        | 2 +-
> > >    xen/arch/arm/Rules.mk        | 2 --
> > >    xen/arch/arm/vgic.c          | 2 +-
> > >    xen/include/asm-arm/domain.h | 3 ++-
> > >    xen/include/asm-arm/gic.h    | 4 ++--
> > >    xen/include/asm-arm/vgic.h   | 2 +-
> > >    7 files changed, 11 insertions(+), 8 deletions(-)
> > >
> > > diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
> > > index f100f17..01744c7 100644
> > > --- a/xen/arch/arm/Kconfig
> > > +++ b/xen/arch/arm/Kconfig
> > > @@ -28,6 +28,10 @@ config ARCH_DEFCONFIG
> > >          default "arch/arm/arm32_defconfig" if ARM_32
> > >          default "arch/arm/arm64_defconfig" if ARM_64
> > >
> > > +# Select HAS_GICV3 if Generic Interrupt Connect (GICv3) is supported
> >
> > s/Connect/Controller/ although saying GICv3 is enough. No need to spell out
> > the acronym.
> >
> > If you really want to spell it it should be Generic Interrupt Controller v3.
> Do remember that those comments are for users, not developers.  *You*
> may know without thinking that "GIC" is an interrupt controller, but
> many users would appreciate at least a hint so that they know whether
> they can safely ignore it or go look further into it.
Even with that in mind, the term "GICvN" is commonly used in the ARM 
world. It's like the term APIC on x86, you don't spell out.
Regards,

--
Julien Grall

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