From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755806AbdJJJCf (ORCPT ); Tue, 10 Oct 2017 05:02:35 -0400 Received: from ozlabs.org ([103.22.144.67]:39523 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751398AbdJJJCe (ORCPT ); Tue, 10 Oct 2017 05:02:34 -0400 From: Michael Ellerman To: Anju T Sudhakar Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, maddy@linux.vnet.ibm.com, hemant@linux.vnet.ibm.com, anju@linux.vnet.ibm.com Subject: Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc In-Reply-To: <1507531597-25947-1-git-send-email-anju@linux.vnet.ibm.com> References: <1507531597-25947-1-git-send-email-anju@linux.vnet.ibm.com> Date: Tue, 10 Oct 2017 20:02:32 +1100 Message-ID: <87wp43wf2v.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Anju T Sudhakar writes: > Add a kernel command line parameter option to disable In-Memory Collection > (IMC) counters and add documentation. This helps in debug. I'd really rather we didn't. Do we *really* need this? We don't have command line parameters to disable any of the other ~20 PMUs, why is this one special? cheers