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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0DC67C54791 for ; Wed, 13 Mar 2024 17:16:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=+SFiGi9pZLRj01gtCA8cXuHSc0u8/WNXXCaJtj3xiGw=; b=h/T8QIYPPL0rdo LfkJggn8zr1FfhvGz8sDaHEnQ3ssLbAfqogACwm+R5yyoukIV7hLLkgwvQTtjHpEXqPSM9Qnw9LD8 79JFY8vh+PDm8WB+HPPcsDZ2mc/wiEdA+Q1/ZuEc4jJfSlkVg7VrQcZ2BPjkt5q43vegrC/4B2j7g 7Utlx309fLHwmBbNvnxlvwXcwcHux43Y9tg1IW4C+lHvxeAzpire0LYfnySBaEU8MlUDPR438HvV1 jKAvGTqwZivMvbd357W+8QwgyUVZkYMbjrgoE4RubHPa8Gp8ausHB6V4sZ4sh2sfgJdfJZVCvsBun RiYTGolkaJ7lg3dKRcPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rkSD4-0000000AytT-3H0A; Wed, 13 Mar 2024 17:16:10 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rkSD1-0000000AyAw-1hoF for linux-arm-kernel@lists.infradead.org; Wed, 13 Mar 2024 17:16:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=PplELY1KFkbbainlrPdk4FaZv2dPnxhGL2R5dvxZJcc=; b=gaE78DgvKAJxF5LfQGZm9rbZnq Z6g9f1MSGKltQmW+YWLoqsnkeGJUXUGPP1sjsV3PidbKBCS5V9wNQjTXOrlwwmwm5bbV/BxWMAr2x sTjZF0F6PR9AYHWc9+auHzQVw4pZRi7IIZ5xMlKxmn9VcoawshgDsEDKz0zSmdCCE+ZXVUKwRHXLY bdvmNEyOB6vNM01wor0GwCEy0QZ8WoBSHJ97KjFOXz7i368MBndTTPTtjn75tFwxUgqqU3n7bkAHc 6CzEW+lQ1fE9lpgzIG4VkIQ8bJ/vG3Egqoref58CZpLPcRcoFZWM9kQqNYrJ/5MPmamzjixkUvUvW RHj+UJcA==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:45220) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rkSAf-0007y7-0R; Wed, 13 Mar 2024 17:13:41 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1rkSAX-0004eW-SY; Wed, 13 Mar 2024 17:13:33 +0000 Date: Wed, 13 Mar 2024 17:13:33 +0000 From: "Russell King (Oracle)" To: Marek Szyprowski Cc: Sudeep Holla , Catalin Marinas , "Christoph Lameter (Ampere)" , Mark Rutland , "linux-pm@vger.kernel.org" , "Rafael J. Wysocki" , Viresh Kumar , Will Deacon , Jonathan.Cameron@huawei.com, Matteo.Carlini@arm.com, Valentin.Schneider@arm.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, Eric Mackay , dave.kleikamp@oracle.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, robin.murphy@arm.com, vanshikonda@os.amperecomputing.com, yang@os.amperecomputing.com, Nishanth Menon , Stephen Boyd Subject: Re: [PATCH v3] ARM64: Dynamically allocate cpumasks and increase supported CPUs to 512 Message-ID: References: <37099a57-b655-3b3a-56d0-5f7fbd49d7db@gentwo.org> <9352f410-9dad-ac89-181a-b3cfc86176b8@linux.com> <432c1980-b00f-4b07-9e24-0bec52ccb5d6@samsung.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <432c1980-b00f-4b07-9e24-0bec52ccb5d6@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240313_101607_469631_A8AAB743 X-CRM114-Status: GOOD ( 27.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCBNYXIgMTMsIDIwMjQgYXQgMDU6MjI6MzNQTSArMDEwMCwgTWFyZWsgU3p5cHJvd3Nr aSB3cm90ZToKPiBPbiAxMy4wMy4yMDI0IDE1OjM1LCBTdWRlZXAgSG9sbGEgd3JvdGU6Cj4gPiBP biBUdWUsIE1hciAxMiwgMjAyNCBhdCAwNTo1NTo0OVBNICswMDAwLCBDYXRhbGluIE1hcmluYXMg d3JvdGU6Cj4gPj4gT24gVHVlLCBNYXIgMTIsIDIwMjQgYXQgMTA6MDY6MDZBTSAtMDcwMCwgQ2hy aXN0b3BoIExhbWV0ZXIgKEFtcGVyZSkgd3JvdGU6Cj4gPj4+IE9uIE1vbiwgMTEgTWFyIDIwMjQs IENocmlzdG9waCBMYW1ldGVyIChBbXBlcmUpIHdyb3RlOgo+ID4+Pgo+ID4+Pj4gVGhpcyBjb3Vs ZCBiZSBhbiBpc3N1ZSBpbiB0aGUgQVJNNjQgYXJjaCBjb2RlIGl0c2VsZiB3aGVyZSB0aGVyZSBt YXliZQo+ID4+Pj4gYW4gYXNzdW1wdGlvbiBlbHNld2hlcmUgdGhhdCBhIGNwdW1hc2sgY2FuIGFs d2F5cyBzdG9yZSB1cCB0byBOUl9DUFUKPiA+Pj4+IGNwdXMgYW5kIG5vdCBvbmx5IG5yX2NwdV9p ZHMgYXMgT0ZGU1RBQ0sgZG9lcy4KPiA+Pj4+Cj4gPj4+PiBIb3cgY2FuIEkgZXhlcmNpc2UgdGhl IG9wcCBkcml2ZXIgaW4gb3JkZXIgdG8gcmVjcmVhdGUgdGhlIHByb2JsZW0/Cj4gPj4+Pgo+ID4+ Pj4gSSBhc3N1bWUgdGhlIG9wcCBkcml2ZXIgaXMgQVJNIHNwZWNpZmljPyB4ODYgZGVmYXVsdHMg dG8gT0ZGU1RBQ0sgc28gaWYKPiA+Pj4+IHRoZXJlIGlzIGFuIGlzc3VlIHdpdGggT0ZGU1RBQ0sg aW4gb3BwIHRoZW4gaXQgc2hvdWxkIGZhaWwgd2l0aCBrZXJuZWwKPiA+Pj4+IGRlZmF1bHQgY29u ZmlndXJhdGlvbiBvbiB0aGF0IHBsYXRmb3JtLgo+ID4+PiBJIGNoZWNrZWQgdGhlIEFSTTY0IGFy Y2ggc291cmNlcyB1c2Ugb2YgTlJfQ1BVUyBhbmQgaXRzIGFsbCBmaW5lLgo+ID4+Pgo+ID4+PiBB bHNvIHZlcmlmaWVkIGluIG15IHRlc3RpbmcgbG9ncyB0aGF0IENPTkZJR19QTV9PUFAgd2FzIHNl dCBpbiBhbGwgdGVzdHMuCj4gPj4+Cj4gPj4+IE5vIHdhcm5pbmdzIGluIHRoZSBrZXJuZWwgbG9n IGR1cmluZyB0aG9zZSB0ZXN0cy4KPiA+Pj4KPiA+Pj4gSG93IHRvIHJlcHJvZHVjZSB0aGlzPwo+ ID4+IEkgZ3Vlc3MgeW91IG5lZWQgYSBwbGF0Zm9ybSB3aXRoIGEgZHRzIHRoYXQgaGFzIGFuICJv cGVyYXRpbmctcG9pbnRzLXYyIgo+ID4+IHByb3BlcnR5LiBJIGRvbid0IGhhdmUgYW55IGFyb3Vu ZC4KPiA+Pgo+ID4+IFN1ZGVlcCB3YXMgdHJ5aW5nIHRvIHRyaWdnZXIgdGhpcyBjb2RlIHBhdGgg ZWFybGllciwgbm90IHN1cmUgd2hlcmUgaGUKPiA+PiBnb3QgdG8uCj4gPiBJIGRpZCB0cnkgdG8g dHJpZ2dlciB0aGlzIG9uIEZWUCBieSBhZGRpbmcgT1BQcyArIHNvbWUgaGFja3MgdG8gYWRkIGR1 bW15Cj4gPiBjbG9jayBwcm92aWRlciB0byBzdWNjZXNzZnVsbHkgcHJvYmUgdGhpcyBkcml2ZXIu IEkgY291bGRuJ3QgaGl0IHRoZSBpc3N1ZQo+ID4gcmVwb3J0ZWQg8J+ZgS4gSXQgY291bGQgYmUg dGhhdCB3aXRoIHRoZSBoYXJkd2FyZSBjbG9jay9yZWd1bGF0b3IgZHJpdmVycywgaXQKPiA+IHRh a2UgYSBkaWZmZXJlbnQgcGF0aCBpbiBPUFAgY29yZS4KPiAKPiBJIGNhbiBmdWxseSByZXByb2R1 Y2UgdGhpcyBpc3N1ZSBvbiBLaGFkYXMgVklNMyBhbmQgT2Ryb2lkLU4yIGJvYXJkcy4gCj4gQm90 aCBNZXNvbiBBMzExRCBTb0MgYmFzZWQuCgpTbywgaWYgSSdtIHJlYWRpbmcgdGhlIE9QUCBjb2Rl IGFuZCB0aGUgRFRTKiBmaWxlcyBmb3IgS2hhZGFzIFZJTTMKY29ycmVjdGx5LCB0aGVzZSB1c2Ug b3BlcmF0aW5nLXBvaW50cy12Miwgd2hpY2ggaXMgcGFyc2VkIGJ5IHRoZSBvcHAKbGF5ZXIuCgpJ ZiB0aGUgb3BwIGxheWVyIGlzIHVuYWJsZSB0byBwYXJzZSBhbnkgb3BlcmF0aW5nIHBvaW50cywg aXQgc2hvdWxkCnByaW50ICJubyBzdXBwb3J0ZWQgT1BQcyIgYW5kIHJlbW92ZSB0aGUgdGFibGUg KHRoZXJlYnkgcHJldmVudGluZwp0aGUgY29kZSBpbiBxdWVzdGlvbiBiZWluZyByZWFjaGVkLikK ClNvLCBJIHdvbmRlciB3aGV0aGVyIHdoYXQgeW91J3JlIHNlZWluZyBpcyBhIGxhdGVudCBidWcg d2hpY2ggaXMKYmVpbmcgdGlja2xlZCBieSB0aGUgcHJlc2VuY2Ugb2YgdGhlIENQVSBtYXNrcyBi ZWluZyBvZmYtc3RhY2sKY2hhbmdpbmcgdGhlIGtlcm5lbCB0aW1pbmcuCgpJIHdvdWxkIHN1Z2dl c3QgdGhlIHByaW50ayBkZWJ1ZyBhcHByb2FjaCBtYXkgaGVscCBoZXJlIHRvIHNlZSB3aGVuCnRo ZSBPUFBzIGFyZSBiZWd1biB0byBiZSBwYXJzZWQsIHdoZW4gdGhleSdyZSBjcmVhdGVkIGV0YyBh bmQgdGhlaXIKdGltaW5nIHJlbGF0aW9uc2hpcCB0byBiZWluZyB1c2VkLiBHaXZlbiB0aGUgc3Vz cGljaW9uLCBpdCdzIHBvc3NpYmxlCnRoYXQgdGhlIG1lcmUgYWRkaXRpb24gb2YgcHJpbnRrKCkg bWF5ICJmaXgiIHRoZSBwcm9ibGVtLCB3aGljaCBhZ2Fpbgp3b3VsZCBiZSBhbm90aGVyIHNlbWkt dXNlZnVsIGRhdGEgcG9pbnQuCgotLSAKUk1LJ3MgUGF0Y2ggc3lzdGVtOiBodHRwczovL3d3dy5h cm1saW51eC5vcmcudWsvZGV2ZWxvcGVyL3BhdGNoZXMvCkZUVFAgaXMgaGVyZSEgODBNYnBzIGRv d24gMTBNYnBzIHVwLiBEZWNlbnQgY29ubmVjdGl2aXR5IGF0IGxhc3QhCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxp bmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3Rz LmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==