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From: Sohil Mehta <sohil.mehta@intel.com>
To: Richard Weinberger <richard@nod.at>, <x86@kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <tglx@kernel.org>,
	<mingo@redhat.com>, <bp@alien8.de>, <dave.hansen@linux.intel.com>,
	<hpa@zytor.com>
Subject: Re: [PATCH 2/2] [RFC] x86: Remove clear_cpu_bug()
Date: Thu, 19 Feb 2026 17:30:00 -0800	[thread overview]
Message-ID: <dc03b6e6-1a32-47e7-ba00-6ae6de6d39c6@intel.com> (raw)
In-Reply-To: <20260216104343.3625292-2-richard@nod.at>

On 2/16/2026 2:43 AM, Richard Weinberger wrote:
> F00F was the only user of clear_cpu_bug().
> With no users left, remove this helper.
> 

Yeah, this function isn't used commonly. The 2nd last user was removed
~9 years back.

> Signed-off-by: Richard Weinberger <richard@nod.at>
> ---
>  arch/x86/include/asm/cpufeature.h | 1 -
>  1 file changed, 1 deletion(-)
> 

Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>

> diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
> index 3ddc1d33399b..90680f978d43 100644
> --- a/arch/x86/include/asm/cpufeature.h
> +++ b/arch/x86/include/asm/cpufeature.h
> @@ -125,7 +125,6 @@ static __always_inline bool _static_cpu_has(u16 bit)
>  
>  #define cpu_has_bug(c, bit)		cpu_has(c, (bit))
>  #define set_cpu_bug(c, bit)		set_cpu_cap(c, (bit))
> -#define clear_cpu_bug(c, bit)		clear_cpu_cap(c, (bit))
>  
>  #define static_cpu_has_bug(bit)		static_cpu_has((bit))
>  #define boot_cpu_has_bug(bit)		cpu_has_bug(&boot_cpu_data, (bit))


  reply	other threads:[~2026-02-20  1:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-16 10:43 [PATCH 1/2] x86: Don't clear X86_BUG_F00F before setting it Richard Weinberger
2026-02-16 10:43 ` [PATCH 2/2] [RFC] x86: Remove clear_cpu_bug() Richard Weinberger
2026-02-20  1:30   ` Sohil Mehta [this message]
2026-02-20  1:25 ` [PATCH 1/2] x86: Don't clear X86_BUG_F00F before setting it Sohil Mehta

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