From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 520A4C388F9 for ; Wed, 11 Nov 2020 06:57:30 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CA8B32067D for ; Wed, 11 Nov 2020 06:57:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pRRlXoVV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA8B32067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OVIWYFfa8sR4kXzoYA//RJin8QWuD40/Agb7y3WYDWg=; b=pRRlXoVVh0sb4TMergyvqCceL az1UIY5Yd23Zr/ZEHJ2rtz/bCAYyqzbF1ckGJ/LED3i5n+NJ28BkyiHVzXNUinT7ivuPBwRTUmsoE o935UZgrdUdXu13kJ6xHkHtt/3aDAdRqnzAUbizEhFOIUcgY/WTZ5ArHs0HQhSHGR8GAIIffz4Iot GgCGFjOJy8Mkei91vM2xtk/Cb7Z9l6yqprP8pSjGykNFaZUWtl3Xppxr9cS2N3Vmcyt3e0scDjUAS Ec2s3qZk/04oirfV0E6Um2qx0Qp3CfAvffa8p8BQ4tD2C21fMZ1pzLYZsCdO5EyGnmX120EtoHBRG 6hSH5k2Bg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kck3k-0004fw-L8; Wed, 11 Nov 2020 06:56:48 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kck3h-0004fN-Tt for linux-arm-kernel@lists.infradead.org; Wed, 11 Nov 2020 06:56:46 +0000 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 241D88126; Wed, 11 Nov 2020 06:56:44 +0000 (UTC) Date: Wed, 11 Nov 2020 08:56:35 +0200 From: Tony Lindgren To: Arnd Bergmann Subject: Re: [PATCH 2/3] arm: introduce IRQ stacks Message-ID: <20201111065635.GO26857@atomide.com> References: <20201021124542.GL1551@shell.armlinux.org.uk> <20201021125740.GM1551@shell.armlinux.org.uk> <20201109144549.GA26857@atomide.com> <20201110091904.GC26857@atomide.com> <20201110120422.GE26857@atomide.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201111_015646_042754_ACDA3A6E X-CRM114-Status: GOOD ( 17.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: v.narang@samsung.com, a.sahrawat@samsung.com, Andrew Morton , Marc Zyngier , Sebastian Andrzej Siewior , Vincent Whitchurch , Nick Desaulniers , Russell King - ARM Linux admin , "linux-kernel@vger.kernel.org" , Valentin Schneider , Dmitry Safonov <0x7f454c46@gmail.com>, Maninder Singh , Thomas Gleixner , Nathan Huckleberry , Will Deacon , Jian Cai , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org * Arnd Bergmann [201110 13:35]: > On Tue, Nov 10, 2020 at 1:06 PM Tony Lindgren wrote: > > > > Are these actually ARMv6? Most ARM11 cores you'd come across > > > in practice are ARMv6K (ARM1136r1, ARM1167, ARM11MPCore), > > > in particular every SoC that has any mainline support except for > > > the ARM1136r0 based OMAP2 and i.MX3. > > > > I've been only using smp_on_up for the ARMv6 ARM1136r0 variants > > for omap2, no SMP on those. > > Obviously all SMP hardware is ARMv6K, the only question I raised > in point "c)" is what we would lose by making ARMv6 (ARM1136r0) > support and SMP mutually exclusive in a kernel configuration, and > I suppose the answer remains "testing". Agreed that is probably the biggest reason to keep it at this point. Regards, Tony _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58D64C388F9 for ; Wed, 11 Nov 2020 06:56:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E745120825 for ; Wed, 11 Nov 2020 06:56:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725966AbgKKG4n (ORCPT ); Wed, 11 Nov 2020 01:56:43 -0500 Received: from muru.com ([72.249.23.125]:48028 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725882AbgKKG4m (ORCPT ); Wed, 11 Nov 2020 01:56:42 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 241D88126; Wed, 11 Nov 2020 06:56:44 +0000 (UTC) Date: Wed, 11 Nov 2020 08:56:35 +0200 From: Tony Lindgren To: Arnd Bergmann Cc: Russell King - ARM Linux admin , v.narang@samsung.com, a.sahrawat@samsung.com, Marc Zyngier , Sebastian Andrzej Siewior , Vincent Whitchurch , Nick Desaulniers , "linux-kernel@vger.kernel.org" , Nathan Huckleberry , Jian Cai , Thomas Gleixner , Dmitry Safonov <0x7f454c46@gmail.com>, Maninder Singh , Andrew Morton , Will Deacon , Valentin Schneider , Linux ARM Subject: Re: [PATCH 2/3] arm: introduce IRQ stacks Message-ID: <20201111065635.GO26857@atomide.com> References: <20201021124542.GL1551@shell.armlinux.org.uk> <20201021125740.GM1551@shell.armlinux.org.uk> <20201109144549.GA26857@atomide.com> <20201110091904.GC26857@atomide.com> <20201110120422.GE26857@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Arnd Bergmann [201110 13:35]: > On Tue, Nov 10, 2020 at 1:06 PM Tony Lindgren wrote: > > > > Are these actually ARMv6? Most ARM11 cores you'd come across > > > in practice are ARMv6K (ARM1136r1, ARM1167, ARM11MPCore), > > > in particular every SoC that has any mainline support except for > > > the ARM1136r0 based OMAP2 and i.MX3. > > > > I've been only using smp_on_up for the ARMv6 ARM1136r0 variants > > for omap2, no SMP on those. > > Obviously all SMP hardware is ARMv6K, the only question I raised > in point "c)" is what we would lose by making ARMv6 (ARM1136r0) > support and SMP mutually exclusive in a kernel configuration, and > I suppose the answer remains "testing". Agreed that is probably the biggest reason to keep it at this point. Regards, Tony