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From: Vineet Gupta <vgupta@kernel.org>
To: Julian Braha <julianbraha@gmail.com>, vgupta@kernel.org
Cc: joao@joaoff.com, linux-snps-arc@lists.infradead.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] ARC: cleanup dead ARC_CANT_LLSC option in Kconfig
Date: Sun, 16 Aug 2026 12:20:03 -0700	[thread overview]
Message-ID: <193a2ce6-4c4e-4291-a542-e112d5a87742@kernel.org> (raw)
In-Reply-To: <20260816142207.1034329-1-julianbraha@gmail.com>

On 8/16/26 07:22, Julian Braha wrote:
> Currently, the ARC_CANT_LLSC config option can never be enabled.
> It is also not referenced anywhere else. So let's remove this dead code.
>
> Note that I have only compile-tested these changes, because I do not have
> the hardware to runtime test.
>
> This dead code was found by kconfirm, a static analysis tool for Kconfig.
>
> Signed-off-by: Julian Braha <julianbraha@gmail.com>

Acked-by: Vineet Gupta <vgupta@kernel.org>

Thx,
-Vineet

> ---
>   arch/arc/Kconfig | 4 ----
>   1 file changed, 4 deletions(-)
>
> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
> index 2ed7186c81c5..80e61175bf52 100644
> --- a/arch/arc/Kconfig
> +++ b/arch/arc/Kconfig
> @@ -331,13 +331,9 @@ config ARC_FPU_SAVE_RESTORE
>   	  for floating point exceptions and rounding modes. These are
>   	  preserved across task context switch when enabled.
>   
> -config ARC_CANT_LLSC
> -	def_bool n
> -
>   config ARC_HAS_LLSC
>   	bool "Insn: LLOCK/SCOND (efficient atomic ops)"
>   	default y
> -	depends on !ARC_CANT_LLSC
>   
>   if ISA_ARCV2
>   


WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <vgupta@kernel.org>
To: Julian Braha <julianbraha@gmail.com>, vgupta@kernel.org
Cc: joao@joaoff.com, linux-snps-arc@lists.infradead.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] ARC: cleanup dead ARC_CANT_LLSC option in Kconfig
Date: Sun, 16 Aug 2026 12:20:03 -0700	[thread overview]
Message-ID: <193a2ce6-4c4e-4291-a542-e112d5a87742@kernel.org> (raw)
In-Reply-To: <20260816142207.1034329-1-julianbraha@gmail.com>

On 8/16/26 07:22, Julian Braha wrote:
> Currently, the ARC_CANT_LLSC config option can never be enabled.
> It is also not referenced anywhere else. So let's remove this dead code.
>
> Note that I have only compile-tested these changes, because I do not have
> the hardware to runtime test.
>
> This dead code was found by kconfirm, a static analysis tool for Kconfig.
>
> Signed-off-by: Julian Braha <julianbraha@gmail.com>

Acked-by: Vineet Gupta <vgupta@kernel.org>

Thx,
-Vineet

> ---
>   arch/arc/Kconfig | 4 ----
>   1 file changed, 4 deletions(-)
>
> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
> index 2ed7186c81c5..80e61175bf52 100644
> --- a/arch/arc/Kconfig
> +++ b/arch/arc/Kconfig
> @@ -331,13 +331,9 @@ config ARC_FPU_SAVE_RESTORE
>   	  for floating point exceptions and rounding modes. These are
>   	  preserved across task context switch when enabled.
>   
> -config ARC_CANT_LLSC
> -	def_bool n
> -
>   config ARC_HAS_LLSC
>   	bool "Insn: LLOCK/SCOND (efficient atomic ops)"
>   	default y
> -	depends on !ARC_CANT_LLSC
>   
>   if ISA_ARCV2
>   


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  reply	other threads:[~2026-08-16 19:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-16 14:22 [PATCH] ARC: cleanup dead ARC_CANT_LLSC option in Kconfig Julian Braha
2026-08-16 14:22 ` Julian Braha
2026-08-16 19:20 ` Vineet Gupta [this message]
2026-08-16 19:20   ` Vineet Gupta

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