linux-kernel - Re: [PATCH] alpha: remove unused __SLOW_DOWN_IO and SLOW_DOWN

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Date:   Sat, 25 Feb 2023 21:05:43 -0500
From:   Matt Turner <mattst88@...il.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Richard Henderson <richard.henderson@...aro.org>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH] alpha: remove unused __SLOW_DOWN_IO and SLOW_DOWN_IO definitions

On Fri, Oct 21, 2022 at 4:18 PM Bjorn Helgaas <helgaas@...nel.org> wrote:
>
> From: Bjorn Helgaas <bhelgaas@...gle.com>
>
> Remove unused __SLOW_DOWN_IO and SLOW_DOWN_IO definitions.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> ---
>
> [Sorry for the noise; I sent this a few minutes ago, but it bounced from
> all the individual recipients because of DMARC issues]
>
> Previously posted v1 4/15/2022 at
>   https://lore.kernel.org/all/20220415190817.842864-1-helgaas@kernel.org/
> and reposted v1 10/13/2022 at
>   https://lore.kernel.org/all/20221014001911.3342485-1-helgaas@kernel.org/
>
> Changes from v1 to v2:
>   - Drop the ia64 patch because Andrew applied it
>       https://lore.kernel.org/all/20221021045245.99636C433C1@smtp.kernel.org/
>
>   - Split sh and alpha to separate series
>
>  arch/alpha/include/asm/io.h | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
> index 1c3605d874e9..7aeaf7c30a6f 100644
> --- a/arch/alpha/include/asm/io.h
> +++ b/arch/alpha/include/asm/io.h
> @@ -14,10 +14,6 @@
>     the implementation we have here matches that interface.  */
>  #include <asm-generic/iomap.h>
>
> -/* We don't use IO slowdowns on the Alpha, but.. */
> -#define __SLOW_DOWN_IO do { } while (0)
> -#define SLOW_DOWN_IO   do { } while (0)
> -
>  /*
>   * Virtual -> physical identity mapping starts at this offset
>   */
> --
> 2.25.1
>

Thanks for the patch! This was included in my pull request today and
is now upstream in Linus' tree.