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Date: Tue, 29 Apr 2025 09:44:44 +0530
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Subject: Re: [PATCH] documentation: Add nodebugmon for arm64 platforms
To: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>,
 Andrew Morton <akpm@linux-foundation.org>,
 Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>,
 Mark Rutland <mark.rutland@arm.com>, linux-kernel@vger.kernel.org,
 linux-arm-kernel@lists.infradead.org
References: <20250416062706.2735563-1-anshuman.khandual@arm.com>
Content-Language: en-US
From: Anshuman Khandual <anshuman.khandual@arm.com>
In-Reply-To: <20250416062706.2735563-1-anshuman.khandual@arm.com>
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On 4/16/25 11:57, Anshuman Khandual wrote:
> Add an entry for nodebugmon which has been used on arm64 platforms.
> 
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: linux-doc@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> ---
> This patch applies on v6.15-rc2
> 
>  Documentation/admin-guide/kernel-parameters.txt | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index d9fd26b95b34..f4a313d6c0ab 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -4085,6 +4085,13 @@
>  			/sys/module/printk/parameters/console_suspend) to
>  			turn on/off it dynamically.
>  
> +	nodebugmon
> +			[HW,ARM64] Disable debug monitor
> +			Disables the debug monitor exception handling on the platform
> +			regardless whether breakpoints and watchpoints are programmed
> +			or not. This prevents debug exceptions from being enabled via
> +			MDSCR_EL1 register.
> +
>  	no_debug_objects
>  			[KNL,EARLY] Disable object debugging
>  

Any updates on this ?