From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752261AbbCKA6g (ORCPT ); Tue, 10 Mar 2015 20:58:36 -0400 Received: from mail-ig0-f177.google.com ([209.85.213.177]:43104 "EHLO mail-ig0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751593AbbCKA6b (ORCPT ); Tue, 10 Mar 2015 20:58:31 -0400 Date: Tue, 10 Mar 2015 17:58:27 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: "Luis R. Rodriguez" cc: bhelgaas@google.com, mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com, pure.logic@nexus-software.ie, jgross@suse.com, luto@amacapital.net, andy.shevchenko@gmail.com, thomas.petazzoni@free-electrons.com, JBeulich@suse.com, bp@suse.de, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org, "Luis R. Rodriguez" , Ingo Molnar Subject: Re: [RFC v1 2/2] x86: kconfig: remove UP [IO]APIC options In-Reply-To: <1426029275-9594-3-git-send-email-mcgrof@do-not-panic.com> Message-ID: References: <1426029275-9594-1-git-send-email-mcgrof@do-not-panic.com> <1426029275-9594-3-git-send-email-mcgrof@do-not-panic.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 10 Mar 2015, Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" > > These were here mostly to help as wrappers for PCI_MSI > under certain UP 32-bit build scenarios, now that PCI_MSI > properly selects what it needs and when it needs it these > Kconfig options are now only enabling users reduce the size > of 32-bit kernels optionally. Since 32-bit kernels are not > in a huge state of flux and since there is no penalty for > adding APIC support other than a bit of size moving forward > we simply expect folks to enable APIC options on 32-bit systems > when a system needs it, as with PCI_MSI. This lets us remove > clutter from the x86 Kconfig file. > Check out Linus's latest tree at git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git and see how it looks after commit 50849eefea3b ("x86/Kconfig: Simplify X86_UP_APIC handling") and commit b1da1e715d4f ("x86/Kconfig: Simplify X86_IO_APIC dependencies").