Re: [PATCH] parisc: Regenerate parisc defconfigs

[James Bottomley]

On Thu, 2020-03-26 at 23:19 +0100, Helge Deller wrote:
> * Guenter Roeck <linux@xxxxxxxxxxxx>:
> > On Mon, Feb 03, 2020 at 10:31:22PM +0100, Helge Deller wrote:
> > > Regenerate the 32- and 64-bit defconfigs and drop the outdated
> > > specific
> > > machine defconfigs for the 712, A500, B160, C3000 and C8000
> > > workstations.
> > > ---
> > >  arch/parisc/configs/712_defconfig           | 181 --------------
> > > -
> > >  arch/parisc/configs/a500_defconfig          | 177 --------------
> > > -
> > >  arch/parisc/configs/defconfig               | 206 --------------
> > > ---
> > 
> > Since the removal of arch/parisc/configs/defconfig, "make
> > ARCH=parisc
> > defconfig" results in an endless recursive make loop.
> 
> Can you please test the patch below?
> Helge
> 
> ----
> [PATCH] parisc: Fix defconfig selection
> 
> Fix the recursive loop when running "make ARCH=parisc defconfig".
> 
> Fixes: 84669923e1ed ("parisc: Regenerate parisc defconfigs")
> Noticed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Signed-off-by: Helge Deller <deller@xxxxxx>
> 
> diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
> index 71034b54d74e..3801a2ef9bca 100644
> --- a/arch/parisc/Kconfig
> +++ b/arch/parisc/Kconfig
> @@ -79,6 +79,11 @@ config MMU
>  config STACK_GROWSUP
>  	def_bool y
> 
> +config ARCH_DEFCONFIG
> +	string
> +	default "arch/parisc/configs/generic-32bit_defconfig" if
> !64BIT
> +	default "arch/parisc/configs/generic-64bit_defconfig" if
> 64BIT
> +
>  config GENERIC_LOCKBREAK
>  	bool
>  	default y
> diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
> index dca8f2de8cf5..628cd8bb7ad8 100644
> --- a/arch/parisc/Makefile
> +++ b/arch/parisc/Makefile
> @@ -34,6 +34,13 @@ CC_ARCHES	= hppa hppa2.0 hppa1.1
>  LD_BFD		:= elf32-hppa-linux
>  endif
> 
> +# select defconfig based on actual architecture
> +ifeq ($(shell uname -m),parisc64)

This won't work for cross builds.  You should be able to use
$(CONFIG_64BIT) here, though.

James