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SubjectRe: [OpenRISC] [PATCH 01/13] openrisc: use shadow registers to save regs on exception
On Wed, Aug 30, 2017 at 11:58 PM, Stafford Horne <shorne@gmail.com> wrote:
> --- a/arch/openrisc/Kconfig
> +++ b/arch/openrisc/Kconfig
> @@ -121,6 +121,16 @@ config OPENRISC_NO_SPR_SR_DSX
> Say N here if you know that your OpenRISC processor has
> SPR_SR_DSX bit implemented. Say Y if you are unsure.
>
> +config OPENRISC_HAVE_SHADOW_GPRS
> + bool "Support for shadow gpr files"

default y if SMP?

> + help
> + Say Y here if your OpenRISC processor features shadowed
> + register files. They will in such case be used as a
> + scratch reg storage on exception entry.
> +
> + On SMP systems, this feature is mandatory.
> + On a unicore system it's safe to say N here if you are unsure.
> +

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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