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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: X86 ML <x86@kernel.org>, Ingo Molnar <mingo@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@alien8.de>, "H . Peter Anvin" <hpa@zytor.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Allison Randal <allison@lohutok.net>,
	Armijn Hemel <armijn@tjaldur.nl>,
	"David S. Miller" <davem@davemloft.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Ingo Molnar <mingo@redhat.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Song Liu <songliubraving@fb.com>,
	Zhengyuan Liu <liuzhengyuan@kylinos.cn>,
	clang-built-linux <clang-built-linux@googlegroups.com>,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Subject: Re: [PATCH 5/7] x86: remove always-defined CONFIG_AS_SSSE3
Date: Mon, 23 Mar 2020 12:06:22 -0600	[thread overview]
Message-ID: <CAHmME9p3LAnrUMmcGPEUFqY5vOASe8MVk4=pzqFRj3E9C-bM+Q@mail.gmail.com> (raw)
In-Reply-To: <20200323020844.17064-6-masahiroy@kernel.org>

On Sun, Mar 22, 2020 at 8:10 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
> diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
> index bf1b4765c8f6..77457ea5a239 100644
> --- a/lib/raid6/algos.c
> +++ b/lib/raid6/algos.c
> @@ -103,9 +103,7 @@ const struct raid6_recov_calls *const raid6_recov_algos[] = {
>  #ifdef CONFIG_AS_AVX2
>         &raid6_recov_avx2,
>  #endif
> -#ifdef CONFIG_AS_SSSE3
>         &raid6_recov_ssse3,
> -#endif
>  #ifdef CONFIG_S390
>         &raid6_recov_s390xc,
>  #endif

algos.c is compiled on all platforms, so you'll need to ifdef that x86
section where SSSE3 is no longer guarding it. The pattern in the rest
of the file, if you want to follow it, is "#if defined(__x86_64__) &&
!defined(__arch_um__)". That seems ugly and like there are better
ways, but in the interest of uniformity and a lack of desire to
rewrite all the raid6 code, I went with that in this cleanup:

https://git.zx2c4.com/linux-dev/commit/?h=jd/kconfig-assembler-support&id=512a00ddebbe5294a88487dcf1dc845cf56703d9

  reply	other threads:[~2020-03-23 18:06 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23  2:08 [PATCH 0/7] x86: remove always-defined CONFIG_AS_* options Masahiro Yamada
2020-03-23  2:08 ` [PATCH 5/7] x86: remove always-defined CONFIG_AS_SSSE3 Masahiro Yamada
2020-03-23 18:06   ` Jason A. Donenfeld [this message]
2020-03-23 20:44     ` Masahiro Yamada
2020-03-23 20:48       ` Jason A. Donenfeld
2020-03-23 21:01         ` Jason A. Donenfeld
2020-03-23  2:08 ` [PATCH 6/7] x86: remove always-defined CONFIG_AS_AVX Masahiro Yamada
2020-03-23  4:07 ` [PATCH 0/7] x86: remove always-defined CONFIG_AS_* options Jason A. Donenfeld
2020-03-23  4:28   ` Jason A. Donenfeld
2020-03-23  6:35     ` Masahiro Yamada
2020-03-23  6:53       ` Jason A. Donenfeld
2020-03-23  9:52         ` Sedat Dilek
2020-03-23 19:50           ` Jason A. Donenfeld
2020-03-24  8:46             ` Sedat Dilek
2020-03-23 22:03         ` Masahiro Yamada
2020-03-23 22:10           ` Jason A. Donenfeld
2020-03-23 19:45 ` Nick Desaulniers

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