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From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org,
	Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v4 4/6] x86/io: Remove REALLY_SLOW_IO handling
Date: Thu, 26 Mar 2026 09:39:31 +0100	[thread overview]
Message-ID: <1544b7de-9dd6-4e36-8492-ecb89a050fb6@suse.com> (raw)
In-Reply-To: <20260119182632.596369-5-jgross@suse.com>


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Boris,

On 19.01.26 19:26, Juergen Gross wrote:
> As there is no user of REALLY_SLOW_IO left, remove the related handling
> from arch/x86/include/asm/io.h.
> 
> Signed-off-by: Juergen Gross <jgross@suse.com>
> ---
>   arch/x86/include/asm/io.h | 5 -----
>   1 file changed, 5 deletions(-)
> 
> diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
> index 8a9292ce7d2d..843f23044754 100644
> --- a/arch/x86/include/asm/io.h
> +++ b/arch/x86/include/asm/io.h
> @@ -254,11 +254,6 @@ static inline void slow_down_io(void)
>   		return;
>   
>   	native_io_delay();
> -#ifdef REALLY_SLOW_IO
> -	native_io_delay();
> -	native_io_delay();
> -	native_io_delay();
> -#endif
>   }
>   
>   #define BUILDIO(bwl, type)						\

any special reason you didn't take this one, too?


Juergen

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  reply	other threads:[~2026-03-26  8:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-19 18:26 [PATCH v4 0/6] x86: Cleanups around slow_down_io() Juergen Gross
2026-01-19 18:26 ` [PATCH v4 1/6] x86/irqflags: Fix build failure Juergen Gross
2026-03-21 15:47   ` [tip: x86/cleanups] x86/irqflags: Preemptively move include paravirt.h directive where it belongs tip-bot2 for Juergen Gross
2026-03-22  7:47   ` tip-bot2 for Juergen Gross
2026-01-19 18:26 ` [PATCH v4 2/6] x86/paravirt: Replace io_delay() hook with a bool Juergen Gross
2026-03-21 15:47   ` [tip: x86/cleanups] " tip-bot2 for Juergen Gross
2026-03-22  7:46   ` tip-bot2 for Juergen Gross
2026-01-19 18:26 ` [PATCH v4 3/6] block/floppy: Don't use REALLY_SLOW_IO for delays Juergen Gross
2026-03-21 15:47   ` [tip: x86/cleanups] " tip-bot2 for Juergen Gross
2026-03-22  7:46   ` tip-bot2 for Juergen Gross
2026-01-19 18:26 ` [PATCH v4 4/6] x86/io: Remove REALLY_SLOW_IO handling Juergen Gross
2026-03-26  8:39   ` Juergen Gross [this message]
2026-03-26 10:04     ` Borislav Petkov
2026-03-26 10:23       ` Jürgen Groß
2026-01-19 18:26 ` [PATCH v4 5/6] x86/io_delay: Switch io_delay() default mechanism to "none" Juergen Gross
2026-03-20 22:02   ` Borislav Petkov
2026-03-21  6:29     ` Jürgen Groß
2026-03-21 11:32       ` Borislav Petkov
2026-01-19 18:26 ` [PATCH v4 6/6] x86/io_delay: Add config option for controlling build of io_delay Juergen Gross
2026-02-02 10:27 ` [PATCH v4 0/6] x86: Cleanups around slow_down_io() Juergen Gross
2026-02-09  9:11 ` Juergen Gross
2026-02-09 10:19   ` Borislav Petkov
2026-03-11  9:16 ` Juergen Gross

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