linux-kernel - Re: [PATCH] x86/bugs: Qualify RETBLEED_INTEL

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Message-ID: <20251009171331.vplg2zcfystojcxo@desk>
Date: Thu, 9 Oct 2025 10:13:31 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>,
	"Kaplan, David" <David.Kaplan@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"H . Peter Anvin" <hpa@...or.com>,
	Klaus Kusche <klaus.kusche@...puterix.info>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/bugs: Qualify RETBLEED_INTEL_MSG

On Thu, Oct 09, 2025 at 12:15:57PM +0200, Borislav Petkov wrote:
> On Wed, Oct 08, 2025 at 11:04:32PM -0700, Pawan Gupta wrote:
> > Thats a lot. OTOH, most of the bugs.c is __init code, do you think it is
> > still problematic?
> 
> What is wrong with aiming to not have dead code in the kernel if it can be
> removed cleanly?

Nothing wrong with that. There are certain things (like I mentioned
earlier) that needs to be moved out of bugs.c.