Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Fri, 1 Sep 2017 10:03:44 +0200 | Subject | Re: [OpenRISC] [PATCH 01/13] openrisc: use shadow registers to save regs on exception |
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On Fri, Sep 1, 2017 at 10:02 AM, Geert Uytterhoeven <geert@linux-m68k.org> wrote: > 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?
Oops, that's not sufficient.
bool "Support for shadow gpr files" if !SMP 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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