From: Chunyan Zhang <zhang.lyra@gmail.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@gmail.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:
-- 
2.34.1

Hi Chunyan,

On 7/18/25 09:27, Chunyan Zhang wrote:
> From: Chunyan Zhang <zhang.lyra@gmail.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@gmail.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@rivosinc.com>
Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com>

Thanks for the new version, I'll take that for 6.17,

Alex

On Fri, 18 Jul 2025 at 22:09, Alexandre Ghiti <alex@ghiti.fr> wrote:
>
> Hi Chunyan,
>
> On 7/18/25 09:27, Chunyan Zhang wrote:
> > From: Chunyan Zhang <zhang.lyra@gmail.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@gmail.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@rivosinc.com>
> Tested-by: Alexandre Ghiti <alexghiti@rivosinc.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
>

Hi Chunyan Zhang,

On Mon, 13 Oct 2025, Chunyan Zhang wrote:

> 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.

Those were deferred since I wanted more time to review them.  I've queued 
them for v6.19.

thanks,

- Paul