linux-kernel - Re: [PATCH V3 5/5] raid6: test: Add support for RISC-V

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Message-ID: <CAAfSe-umv64D011cjxPJEc0dBK29Xa4u6m1T=-THZ+V=a3f+JA@mail.gmail.com>
Date: Mon, 13 Oct 2025 09:42:05 +0800
From: Chunyan Zhang <zhang.lyra@...il.com>
To: Alexandre Ghiti <alex@...ti.fr>
Cc: Chunyan Zhang <zhangchunyan@...as.ac.cn>, Paul Walmsley <paul.walmsley@...ive.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Charlie Jenkins <charlie@...osinc.com>, Song Liu <song@...nel.org>, Yu Kuai <yukuai3@...wei.com>, 
	linux-riscv@...ts.infradead.org, linux-raid@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 5/5] raid6: test: Add support for RISC-V

On Fri, 18 Jul 2025 at 22:09, Alexandre Ghiti <alex@...ti.fr> wrote:
>
> Hi Chunyan,
>
> On 7/18/25 09:27, Chunyan Zhang wrote:
> > From: Chunyan Zhang <zhang.lyra@...il.com>
> >
> > Add RISC-V code to be compiled to allow the userspace raid6test program
> > to be built and run on RISC-V.
> >
> > Signed-off-by: Chunyan Zhang <zhang.lyra@...il.com>
> > ---
> >   lib/raid6/test/Makefile | 8 ++++++++
> >   1 file changed, 8 insertions(+)
> >
> > diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
> > index 8f2dd2210ba8..09bbe2b14cce 100644
> > --- a/lib/raid6/test/Makefile
> > +++ b/lib/raid6/test/Makefile
> > @@ -35,6 +35,11 @@ ifeq ($(ARCH),aarch64)
> >           HAS_NEON = yes
> >   endif
> >
> > +ifeq ($(findstring riscv,$(ARCH)),riscv)
> > +        CFLAGS += -I../../../arch/riscv/include -DCONFIG_RISCV=1
> > +        HAS_RVV = yes
> > +endif
> > +
> >   ifeq ($(findstring ppc,$(ARCH)),ppc)
> >           CFLAGS += -I../../../arch/powerpc/include
> >           HAS_ALTIVEC := $(shell printf '$(pound)include <altivec.h>\nvector int a;\n' |\
> > @@ -63,6 +68,9 @@ else ifeq ($(HAS_ALTIVEC),yes)
> >                   vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
> >   else ifeq ($(ARCH),loongarch64)
> >           OBJS += loongarch_simd.o recov_loongarch_simd.o
> > +else ifeq ($(HAS_RVV),yes)
> > +        OBJS   += rvv.o recov_rvv.o
> > +        CFLAGS += -DCONFIG_RISCV_ISA_V=1
> >   endif
> >
> >   .c.o:
>
>
> Reviewed-by: Alexandre Ghiti <alexghiti@...osinc.com>
> Tested-by: Alexandre Ghiti <alexghiti@...osinc.com>
>
> Thanks for the new version, I'll take that for 6.17,

I noticed patch 1-2 are in 6.18-rc1, patch 3-5 haven't got merged, not
sure if there's some other plan for these patches.

Thanks,
Chunyan

> Alex
>