linux-kernel - Re: [PATCH 07/47] raid: remove tile specific raid6 implementation

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Message-ID: <CAKv+Gu9Y_Drjt-EBN_Vn2-+zRrB7ScJ36vEdEmaJSXVEMuJF1w@mail.gmail.com>
Date:   Wed, 14 Mar 2018 16:49:12 +0000
From:   Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Shaohua Li <shli@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Ray Jui <ray.jui@...adcom.com>, linux-raid@...r.kernel.org
Subject: Re: [PATCH 07/47] raid: remove tile specific raid6 implementation

On 14 March 2018 at 15:35, Arnd Bergmann <arnd@...db.de> wrote:
> The Tile architecture is getting removed, so we no longer need this either.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>

> ---
>  include/linux/raid/pq.h |  1 -
>  lib/raid6/Makefile      |  6 ----
>  lib/raid6/algos.c       |  3 --
>  lib/raid6/test/Makefile |  7 ----
>  lib/raid6/tilegx.uc     | 87 -------------------------------------------------
>  5 files changed, 104 deletions(-)
>  delete mode 100644 lib/raid6/tilegx.uc
>
> diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
> index 583cdd3d49ca..a366cc314479 100644
> --- a/include/linux/raid/pq.h
> +++ b/include/linux/raid/pq.h
> @@ -105,7 +105,6 @@ extern const struct raid6_calls raid6_avx2x4;
>  extern const struct raid6_calls raid6_avx512x1;
>  extern const struct raid6_calls raid6_avx512x2;
>  extern const struct raid6_calls raid6_avx512x4;
> -extern const struct raid6_calls raid6_tilegx8;
>  extern const struct raid6_calls raid6_s390vx8;
>
>  struct raid6_recov_calls {
> diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
> index 4add700ddfe3..44d6b46df051 100644
> --- a/lib/raid6/Makefile
> +++ b/lib/raid6/Makefile
> @@ -7,7 +7,6 @@ raid6_pq-y      += algos.o recov.o tables.o int1.o int2.o int4.o \
>  raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
>  raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o
>  raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
> -raid6_pq-$(CONFIG_TILEGX) += tilegx8.o
>  raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
>
>  hostprogs-y    += mktables
> @@ -115,11 +114,6 @@ $(obj)/neon8.c:   UNROLL := 8
>  $(obj)/neon8.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
>         $(call if_changed,unroll)
>
> -targets += tilegx8.c
> -$(obj)/tilegx8.c:   UNROLL := 8
> -$(obj)/tilegx8.c:   $(src)/tilegx.uc $(src)/unroll.awk FORCE
> -       $(call if_changed,unroll)
> -
>  targets += s390vx8.c
>  $(obj)/s390vx8.c:   UNROLL := 8
>  $(obj)/s390vx8.c:   $(src)/s390vx.uc $(src)/unroll.awk FORCE
> diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
> index 476994723258..c65aa80d67ed 100644
> --- a/lib/raid6/algos.c
> +++ b/lib/raid6/algos.c
> @@ -75,9 +75,6 @@ const struct raid6_calls * const raid6_algos[] = {
>         &raid6_altivec4,
>         &raid6_altivec8,
>  #endif
> -#if defined(CONFIG_TILEGX)
> -       &raid6_tilegx8,
> -#endif
>  #if defined(CONFIG_S390)
>         &raid6_s390vx8,
>  #endif
> diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
> index be1010bdc435..fabc477b1417 100644
> --- a/lib/raid6/test/Makefile
> +++ b/lib/raid6/test/Makefile
> @@ -51,9 +51,6 @@ else
>                  OBJS += altivec1.o altivec2.o altivec4.o altivec8.o
>          endif
>  endif
> -ifeq ($(ARCH),tilegx)
> -OBJS += tilegx8.o
> -endif
>
>  .c.o:
>         $(CC) $(CFLAGS) -c -o $@ $<
> @@ -116,15 +113,11 @@ int16.c: int.uc ../unroll.awk
>  int32.c: int.uc ../unroll.awk
>         $(AWK) ../unroll.awk -vN=32 < int.uc > $@
>
> -tilegx8.c: tilegx.uc ../unroll.awk
> -       $(AWK) ../unroll.awk -vN=8 < tilegx.uc > $@
> -
>  tables.c: mktables
>         ./mktables > tables.c
>
>  clean:
>         rm -f *.o *.a mktables mktables.c *.uc int*.c altivec*.c neon*.c tables.c raid6test
> -       rm -f tilegx*.c
>
>  spotless: clean
>         rm -f *~
> diff --git a/lib/raid6/tilegx.uc b/lib/raid6/tilegx.uc
> deleted file mode 100644
> index 2dd291a11264..000000000000
> --
> 2.9.0
>