linux-kernel - Re: [PATCH] x86/tsx: Get the tsx= command line parameter with core

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Message-ID: <20250731191636.7vepzhy44ajftqry@desk>
Date: Thu, 31 Jul 2025 12:16:36 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Petr Tesarik <ptesarik@...e.com>
Cc: "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
	"open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/tsx: Get the tsx= command line parameter with
 core_param()

On Thu, Jul 31, 2025 at 10:34:33AM +0200, Petr Tesarik wrote:
> Use core_param() to get the value of the tsx= command line parameter.
> Although cmdline_find_option() works fine, the option is reported as
> unknown and passed to user space. The latter is not a real issue, but
> the former is confusing and makes people wonder if the tsx= parameter
> had any effect and double-check for typos unnecessarily.
> 
> Signed-off-by: Petr Tesarik <ptesarik@...e.com>

Reviewed-by: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>