linux-kernel - Re: [PATCH v2 RESEND] x86/kaslr: Ingest nokaslr to avoid passing it to init process

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Message-ID: <20250114093643.GK5388@noisy.programming.kicks-ass.net>
Date: Tue, 14 Jan 2025 10:36:43 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Nir Lichtman <nir_lichtman@...mail.com>
Cc: "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
	"luto@...nel.org" <luto@...nel.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"bp@...en8.de" <bp@...en8.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"m.younesbadr@...il.com" <m.younesbadr@...il.com>,
	Nir Lichtman <nir@...htman.org>
Subject: Re: [PATCH v2 RESEND] x86/kaslr: Ingest nokaslr to avoid passing it
 to init process

On Sat, Jan 11, 2025 at 02:17:43PM +0000, Nir Lichtman wrote:
> Problem: Currently booting the kernel with "nokaslr" on x86 incorrectly
> doesn't recognize this parameter and passes it on to the init process

What now? I'm pretty sure nokaslr works, it's in all my test machines
and qemu scripts. Without it faddr2line wouldn't work, which I would
notice in a hurry.