Re: [PATCH v2 1/6] RISC-V: Move struct riscv_cpuinfo to new header

Evan Green
2023-02-14T21:58:02Z

On Tue, Feb 14, 2023 at 1:38 PM Conor Dooley <conor@kernel.org> wrote:
>
> On Mon, Feb 06, 2023 at 12:14:50PM -0800, Evan Green wrote:
> > In preparation for tracking and exposing microarchitectural details to
> > userspace (like whether or not unaligned accesses are fast), move the
> > riscv_cpuinfo struct out to its own new cpufeatures.h header. It will
> > need to be used by more than just cpu.c.
> >
> > Signed-off-by: Evan Green <evan@rivosinc.com>
> > ---
> >
> > (no changes since v1)
>
> Really? I don't recall seeing this patch in v1? ;)

My bad, that's an artifact of the tool I'm using (patman) to help me
with patch formatting.

>
> >
> > arch/riscv/include/asm/cpufeature.h | 21 +++++++++++++++++++++
> > arch/riscv/kernel/cpu.c | 8 ++------
> > 2 files changed, 23 insertions(+), 6 deletions(-)
> > create mode 100644 arch/riscv/include/asm/cpufeature.h
> >
> > diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
> > new file mode 100644
> > index 000000000000..66c251d98290
> > --- /dev/null
> > +++ b/arch/riscv/include/asm/cpufeature.h
> > @@ -0,0 +1,21 @@
> > +/* SPDX-License-Identifier: GPL-2.0-only */
> > +/*
> > + * Copyright 2022 Rivos, Inc
> > + */
> > +
> > +#ifndef _ASM_CPUFEATURE_H
> > +#define _ASM_CPUFEATURE_H
> > +
> > +/*
> > + * These are probed via a device_initcall(), via either the SBI or directly
> > + * from the cooresponding CSRs.
>
> May as well fix the typo here while we are moving the code & a respin is
> required anyway.

Will do.

>
> I'm sure we'll need this patch regardless of approach, so:
> Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thank you!