[PATCH 1/4] riscv: cleanup svpbmt cpufeature probing
Heiko Stübner
heiko at sntech.de
Fri Sep 2 08:34:30 PDT 2022
Am Freitag, 2. September 2022, 17:26:21 CEST schrieb Conor.Dooley at microchip.com:
> On 02/09/2022 16:12, Heiko Stübner wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > Am Freitag, 2. September 2022, 11:49:39 CEST schrieb Andrew Jones:
> >> Hi Heiko,
> >>
> >> Please use a cover-letter for a patch series. They allow the series to be
> >> threaded better and people can reply to the cover-letter with series-wide
> >> comments. For example, I'd like to reply to a cover-letter now with
> >>
> >> For the series
> >>
> >> Reviewed-by: Andrew Jones <ajones at ventanamicro.com>
> >>
> >> but now it looks like I need to go back and reply to each patch
> >> separately.
> >
> > I'm not sure if tooling like b4 can handle Reviewed-by's in cover-letters.
>
> Yup, it can! At least `b4 {am,shazam} -t` will.
> I am not sure if the new `b4 trailers` does.
That is great to know ... gotta love b4 :-)
>
> > At least some time back it couldn't, so am not sure if that was added
> > meanwhile. So tags added to cover-letters might even get lost.
> >
> > But I'll add a cover-letter nevertheless - need a place for the v2 changelog
> > anyway :-)
> >
> > Heiko
> >
> >
> >>
> >> Thanks,
> >> drew
> >>
> >> On Fri, Sep 02, 2022 at 12:27:41AM +0200, Heiko Stuebner wrote:
> >>> This can also do without the ifdef and use IS_ENABLED instead and
> >>> for better readability, getting rid of that switch also seems
> >>> waranted.
> >>>
> >>> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> >>> ---
> >>> arch/riscv/kernel/cpufeature.c | 13 +++++--------
> >>> 1 file changed, 5 insertions(+), 8 deletions(-)
> >>>
> >>> diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> >>> index 553d755483ed..764ea220161f 100644
> >>> --- a/arch/riscv/kernel/cpufeature.c
> >>> +++ b/arch/riscv/kernel/cpufeature.c
> >>> @@ -253,16 +253,13 @@ void __init riscv_fill_hwcap(void)
> >>> #ifdef CONFIG_RISCV_ALTERNATIVE
> >>> static bool __init_or_module cpufeature_probe_svpbmt(unsigned int stage)
> >>> {
> >>> -#ifdef CONFIG_RISCV_ISA_SVPBMT
> >>> - switch (stage) {
> >>> - case RISCV_ALTERNATIVES_EARLY_BOOT:
> >>> + if (!IS_ENABLED(CONFIG_RISCV_ISA_SVPBMT))
> >>> return false;
> >>> - default:
> >>> - return riscv_isa_extension_available(NULL, SVPBMT);
> >>> - }
> >>> -#endif
> >>>
> >>> - return false;
> >>> + if (stage == RISCV_ALTERNATIVES_EARLY_BOOT)
> >>> + return false;
> >>> +
> >>> + return riscv_isa_extension_available(NULL, SVPBMT);
> >>> }
> >>>
> >>> static bool __init_or_module cpufeature_probe_zicbom(unsigned int stage)
> >>
> >
> >
> >
> >
>
>
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