From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932872AbeCEHK2 (ORCPT ); Mon, 5 Mar 2018 02:10:28 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:51522 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932646AbeCEHK0 (ORCPT ); Mon, 5 Mar 2018 02:10:26 -0500 X-Google-Smtp-Source: AG47ELstGwsMgSWsbpjvCrLBkRFmJSRk0drXfrggAnl7lnK7QRKKf08riazxRIhiRkpwUaz/20cNbg== Date: Mon, 5 Mar 2018 08:10:21 +0100 From: Ingo Molnar To: "zhenwei.pi" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, hpa@zytor.com, mingo@redhat.com, tglx@linutronix.de Subject: Re: [PATCH] x86/kconfig: Remove residual "no-hlt" boot parameter reference Message-ID: <20180305071021.5lxgjnnwdidkq7re@gmail.com> References: <1520216154-13737-1-git-send-email-zhenwei.pi@youruncloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1520216154-13737-1-git-send-email-zhenwei.pi@youruncloud.com> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * zhenwei.pi wrote: > The "no-hlt" boot parameter has been removed ~5 years ago : > The commit 27be457000211a6903968dfce06d5f73f051a217 > ("x86 idle: remove 32-bit-only "no-hlt" parameter, hlt_works_ok flag") > > Remove a stale reference from the documentation as well. > > Signed-off-by: zhenwei.pi > --- > arch/x86/Kconfig | 21 ++++++++++----------- > 1 file changed, 10 insertions(+), 11 deletions(-) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index eb7f43f..bdb17b7 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -2494,19 +2494,18 @@ menuconfig APM > > 1) make sure that you have enough swap space and that it is > enabled. > - 2) pass the "no-hlt" option to the kernel > - 3) switch on floating point emulation in the kernel and pass > + 2) switch on floating point emulation in the kernel and pass > the "no387" option to the kernel > - 4) pass the "floppy=nodma" option to the kernel > - 5) pass the "mem=4M" option to the kernel (thereby disabling > + 3) pass the "floppy=nodma" option to the kernel > + 4) pass the "mem=4M" option to the kernel (thereby disabling > all but the first 4 MB of RAM) > - 6) make sure that the CPU is not over clocked. > - 7) read the sig11 FAQ at > - 8) disable the cache from your BIOS settings > - 9) install a fan for the video card or exchange video RAM > - 10) install a better fan for the CPU > - 11) exchange RAM chips > - 12) exchange the motherboard. > + 5) make sure that the CPU is not over clocked. > + 6) read the sig11 FAQ at > + 7) disable the cache from your BIOS settings > + 8) install a fan for the video card or exchange video RAM > + 9) install a better fan for the CPU > + 10) exchange RAM chips > + 11) exchange the motherboard. That description is stale in other ways as well (nobody uses floppies anymore), I'd just remove it altogether, starting with this: If you get random kernel OOPSes or reboots that don't seem to be related to anything, try disabling/enabling this option (or disabling/enabling APM in your BIOS). [...] Thanks, Ingo