From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 175FA22DC20 for ; Tue, 14 Jan 2025 09:36:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736847414; cv=none; b=rX5/zctP134gyNV6qrymUKFPfYM3w/hZaZRRxxwnK9e507HRvzJTHwAgLIAjVuFJ8JGZPicDURtvpBRduDbHlU0fDaQZknl0+cmbDVp0ZGQ0jJ0MK7BZnbnKKvT9ts2vHVbs/9exJzHayHFKuBep+bZKwFmfDq/psVrzCfNNuJg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736847414; c=relaxed/simple; bh=AgAzXZDDqZOqq4Mv23+BzL/54BJjUwz1B7ate/SdZnA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GkbQkMYdTkMkbkofzjlwCmyY61BuEBQpg81QrFtxaczE0oUWgpGxGhrn8F9vXuc3NBThWqY6aVyX8FYWt1amSCBtuCK7QDhvzA+58ozKh1A8UmvCDVxsFW9lhgTX0OxX3mU/gg7NQBpltfxE+1jMpYfApWqk/9H1D4DsMPKayMQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=Hf9CY98r; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Hf9CY98r" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=AgAzXZDDqZOqq4Mv23+BzL/54BJjUwz1B7ate/SdZnA=; b=Hf9CY98rwmEVU6NSODyJ8Cg1cm Ah8JOyMRk9UAB+g8wOmIO5ZIvjBBlXuAT8U0zpYwupa58NZW8bwJhyQWGswGdD1HystTmCBTnC3qb KPD4wnY5ED1s0gOWXJWaFgJaiPtEDtaRFKKgdocCK3B3CRwrotAwlFqNXEiAzzM2hTMvnTE3u6GVY mJ8CC5plav4d29V/GSNCXP/zuiH5mwCXh3C6Jgq2ujYaC0eWHuTkdevNdwB8jAJ51RQ9HOQWUHEoh w/MnYBoKtttDAJd5UjvJ8U0blNtyyGzxd397XZDHAzOI+hleIoRKy3fkjS00ZqgoIaEGgO7jVENtP X3W6/f0w==; Received: from 77-249-17-89.cable.dynamic.v4.ziggo.nl ([77.249.17.89] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tXdLo-0000000ARPS-1B4h; Tue, 14 Jan 2025 09:36:44 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id D15133004DE; Tue, 14 Jan 2025 10:36:43 +0100 (CET) Date: Tue, 14 Jan 2025 10:36:43 +0100 From: Peter Zijlstra To: Nir Lichtman Cc: "dave.hansen@linux.intel.com" , "luto@kernel.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "linux-kernel@vger.kernel.org" , "m.younesbadr@gmail.com" , Nir Lichtman Subject: Re: [PATCH v2 RESEND] x86/kaslr: Ingest nokaslr to avoid passing it to init process Message-ID: <20250114093643.GK5388@noisy.programming.kicks-ass.net> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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.