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 1E605C77B62 for ; Mon, 3 Apr 2023 21:26:53 +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:MIME-Version:References:In-Reply-To: Date:Cc:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KXu50PDc28L3Avq5ElwoGDB2gjahFhuh8Lj+IW4nes4=; b=D9VftiB+Y7q2O/ EAcM2JsKg68HGDUNzVb4pQLiBcKGlNWd9Xqata71y4qw6uWAB1WJtnFOclxymApdzQ8P28EKLlim2 SIxKBY/U2iT1S5b9zm1jE+ak8y3OqHHdXENXQ24CMzpoWxjayJZH3UJcNSK1sy5MIIesTYzCfGnb4 v+836Vz+PSKcQ6HEHzzlrCYstpudSxbHITOO+ujbmP69vHvQ5K9IiO53ImWCsnD1GAicthhegHPw6 NhsCv3x/jhX+it6Y/xeKPO4xZfAcfas88jEHCqbKQ6WZL2DszhsQZxRF3/6T82v7niHKnraAwJwdG LnitVAeK/onOX7ZHWvQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjRgi-00Gtsc-0f; Mon, 03 Apr 2023 21:26:04 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pjRgf-00Gtpq-0H for linux-arm-kernel@lists.infradead.org; Mon, 03 Apr 2023 21:26:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680557157; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6BhMBylpKylI3H/6AX85RTUWqS7XuY4+5PA+HxHhoRQ=; b=fCQe8PftprZBN4MDJdSM+yW5ohu0q3rTpZAOGEBGm3iNmNb2d0NPewOVYvCQ+K52mt82TR 6VFOvaOwOSFY0EpX6u4NVa/o0XmNvOGvEkPCUInW3WmtBIn0xq9lW4UUMqVyw+hFXgp5gT sR3XGJcvzAk5QoIWlkGIIRS5ojhfdPk= Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-599-u52xIz7fPM-Ky7H1rk14Og-1; Mon, 03 Apr 2023 17:25:56 -0400 X-MC-Unique: u52xIz7fPM-Ky7H1rk14Og-1 Received: by mail-qt1-f200.google.com with SMTP id t15-20020a05622a180f00b003e37dd114e3so20679361qtc.10 for ; Mon, 03 Apr 2023 14:25:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680557155; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=6BhMBylpKylI3H/6AX85RTUWqS7XuY4+5PA+HxHhoRQ=; b=A1HDOa63q7j1GeDdaFVWbNq+9LsJ0E/VoYZvPLh7AS0FSiVq5b4tFWpJP+r5N7N0l2 p05I15C8FTkdOhFfNHjJb0R5+ZCft7N82XjNn4xKChiKZT6WFGAHaMdpJjfx4BI4OCr9 gqVDe4TbTq4ulq0S67fbzWB7SDb3LlHk248gFBCTroJi0O7NysWIbUy1/3KsEwqDMhsn Dh36NHTaptjJE/eatx3eFf9TPfTwKGt1aHH01m/8OCvnxAevkKUsH+Jscjh4R9oLM19X DCj9WQVuP6POZk7IZZZgBrSiHcex+Td25agzrpaywxb5/WhpDO5HA2nb3SFouCVF4zUo 2W1Q== X-Gm-Message-State: AO0yUKXRU4IGrYQJkiFLlcni04rUPxCNBJTXC+16RQQ5n26RWBqTTyUE +aFuFLjobt7eRdWGOuBLPF8mtNloHQc4yRSDBbjqBcvUrssB/5AQJR/BojIo+5ddnAo3yQKkWch KvDWLLfUMbfGopYFY91/xGBMP44ePFOPE1/o= X-Received: by 2002:a05:622a:1209:b0:3e4:ced4:acf9 with SMTP id y9-20020a05622a120900b003e4ced4acf9mr60420452qtx.33.1680557155553; Mon, 03 Apr 2023 14:25:55 -0700 (PDT) X-Google-Smtp-Source: AK7set90b/jYlbAGAb1RydGfJM7ucR9abuKbatid+qxY1Iw3kVEpf3QlsNIA4WCWZ2v/HcwVn1zcVw== X-Received: by 2002:a05:622a:1209:b0:3e4:ced4:acf9 with SMTP id y9-20020a05622a120900b003e4ced4acf9mr60420420qtx.33.1680557155249; Mon, 03 Apr 2023 14:25:55 -0700 (PDT) Received: from thinkpad-p1.localdomain (cpe00fc8d79db03-cm00fc8d79db00.cpe.net.fido.ca. [72.137.118.218]) by smtp.gmail.com with ESMTPSA id t68-20020ae9df47000000b007487c780f5esm3092554qkf.121.2023.04.03.14.25.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Apr 2023 14:25:54 -0700 (PDT) Message-ID: Subject: Re: [RFC PATCH] arch_topology: Pre-allocate cacheinfo from primary CPU From: Radu Rendec To: Pierre Gondois , Sudeep Holla Cc: linux-arm-kernel@lists.infradead.org, Adrien Thierry , Eric Chanudet Date: Mon, 03 Apr 2023 17:25:53 -0400 In-Reply-To: <8df69f86-b669-549a-cf04-40a4c2376c68@arm.com> References: <20230323224242.31142-1-rrendec@redhat.com> <428070eb-d1d0-cd04-53c7-91e13ab64867@arm.com> <20230329150308.aaajdsh74olpjach@bogus> <334926dc894523f302b09e19138fb9fa7a142f8e.camel@redhat.com> <8df69f86-b669-549a-cf04-40a4c2376c68@arm.com> User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230403_142601_239477_A156AAAD X-CRM114-Status: GOOD ( 42.88 ) 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 SGVsbG8gUGllcnJlLAoKT24gRnJpLCAyMDIzLTAzLTMxIGF0IDE2OjQ5ICswMjAwLCBQaWVycmUg R29uZG9pcyB3cm90ZToKPiBPbiAzLzMxLzIzIDAxOjMyLCBSYWR1IFJlbmRlYyB3cm90ZToKPiAK PiA+IFllcywgaXQncyBtb3JlIG9yIGxlc3MgdGhlIHNhbWUgdGhpbmcuIFRoZSBtYWluIGRpZmZl cmVuY2VzIGFyZToKPiA+IMKgICogVGhlcmUgaXMgbm8gd2luZG93IHdoZW4gdGhlIGluZm9ybWF0 aW9uIGluIHN0cnVjdCBjcHVfY2FjaGVpbmZvICh0aGUKPiA+IMKgwqDCoCBudW1iZXIgb2YgY2Fj aGUgbGV2ZWxzIGFuZCBsZWF2ZXMpIGlzIHBvcHVsYXRlZCBidXQgcG90ZW50aWFsbHkKPiA+IMKg wqDCoCBpbmFjY3VyYXRlIChlLmcuIGluIHRoZSBjYXNlIG9mIGFzeW1tZXRyaWMgQ1BVcyB3aXRo IG5vIERUL0FDUEkpLgo+IAo+IEluIHRoZSBjdXJyZW50IGNvZGUsIGZldGNoX2NhY2hlX2luZm8o KSBhbGxvY2F0ZXMgdGhlIG1lbW9yeSBhbmQgcG9wdWxhdGVzCj4gbnVtX2xldmVscy9udW1fbGVh dmVzIGZyb20gdGhlIHByaW1hcnkgQ1BVLiBUaGUgaW5mb3JtYXRpb24gaXMgcG9wdWxhdGVkCj4g bGF0ZXIgZnJvbSB0aGUgc2Vjb25kYXJ5IENQVXMuIFNvIHRoZXJlIGlzIGFscmVhZHkgYSB0aW1l IHdpbmRvdyB3aGVuCj4gdGhlIGluZm9ybWF0aW9uIGlzIGluYWNjdXJhdGUuCgpGYWlyIGVub3Vn aC4gVGhlbiB0aGlzIGlzIG5vdCBzb21ldGhpbmcgdG8gd29ycnkgYWJvdXQuCgo+ID4gQmFzZWQg b24gd2hhdCB5b3UgcHJvcG9zZWQsIEkgaGFja2VkIGF3YXkgYXQgdGhlIGNvZGUgYW5kIGNhbWUg dXAgd2l0aAo+ID4gdGhlIHBhdGNoIGJlbG93LiBJdCB3b3JrcyBpbiBteSBwYXJ0aWN1bGFyIHRl c3QgY2FzZSBiZWNhdXNlIHRoZSBDUFVzCj4gPiBhcmUgc3ltbWV0cmljYWwsIGJ1dCBkb2Vzbid0 IHNvbHZlIHRoZSByZWFsbG9jYXRpb24gcGFydC4KPiA+IAo+ID4gSSBjYW4ndCB0aGluayBvZiBh biBlbGVnYW50IHdheSB0byBzb2x2ZSB0aGlzLiBPbmUgdGhpbmcgdGhhdCBjb21lcyB0bwo+ID4g bWluZCBpcyBjaGFuZ2UgdGhlIGxvZ2ljIGluIGRldGVjdF9jYWNoZV9hdHRyaWJ1dGVzKCkuIEJ1 dCBJIGFtCj4gPiByZWx1Y3RhbnQgYmVjYXVzZSB0aGlzIGNvZGUgaXMgYXJjaGl0ZWN0dXJlIGlu ZGVwZW5kZW50LCB3aGlsZSB0aGUKPiA+ICJndWVzcyBmaXJzdC9maXggbGF0ZXIiIHN0cmF0ZWd5 IGlzIGltcGxlbWVudGF0aW9uIHNwZWNpZmljIChhcm02NCBpbgo+ID4gb3VyIGNhc2UpLiBUaGUg bWFpbiBwcm9ibGVtIGlzIHRoYXQgdGhlIGNhbGwgdG8gaW5pdF9jYWNoZV9sZXZlbCgpIGlzCj4g PiBza2lwcGVkIGFsdG9nZXRoZXIgaWYgdGhlcmUgaXMgYSB2YWxpZCBwb2ludGVyIHZhbHVlIGlu Cj4gPiBjaV9jcHVfY2FjaGVpbmZvLiBJbiBvdGhlciB3b3JkcywgaWYgdGhlIG1lbW9yeSBoYXMg YmVlbiBhbHJlYWR5Cj4gPiBhbGxvY2F0ZWQsIGl0IGlzIGFzc3VtZWQgdG8gYmUgY29ycmVjdC4g VGhpcyBpcyB3aHkgSSB1c2VkIGEgc2VwYXJhdGUKPiA+IHBlci1jcHUgdmFyaWFibGUgaW4gbXkg b3JpZ2luYWwgUkZDIHBhdGNoLgo+ID4gCj4gPiBXb3VsZCBpdCBiZSBob3JyaWJsZSB0byBhZGQg YSBib29sIGZpZWxkIHRvIHN0cnVjdCBjcHVfY2FjaGVpbmZvIHRoYXQKPiA+IHRlbGxzIHVzIGlm IHRoZSBsZXZlbHMvbGVhdmVzIGFyZSBiYXNlZCBvbiBlYXJseSBkZXRlY3Rpb24/IFRoZSBmaWVs ZAo+ID4gd291bGQgYmUgc2V0IGJ5IGZldGNoX2NhY2hlX2luZm8oKSB3aGVuIGl0IGNhbGxzIGVh cmx5X2NhY2hlX2xldmVsKCkgYXMKPiA+IGZhbGxiYWNrLiBUaGVuIGRldGVjdF9jYWNoZV9hdHRy aWJ1dGVzKCkgY291bGQgYXZvaWQgc2tpcHBpbmcgdGhlIGNhbGwKPiA+IHRvIGluaXRfY2FjaGVf bGV2ZWwoKSB3aGVuIHRoZSBmbGFnIGlzIHNldC4gVGhlIG5pY2UgdGhpbmcgYWJvdXQgdGhpcwo+ ID4gaXMgdGhhdCBpdCBkb2Vzbid0IGFmZmVjdCBvdGhlciBhcmNoaXRlY3R1cmVzIC0gaWYgdGhl eSBkb24ndCBpbXBsZW1lbnQKPiA+IGVhcmx5X2NhY2hlX2xldmVsKCksIHRoZSBmbGFnIGlzIG5l dmVyIHNldCBhbmQgdGhlbiB0aGUgYmVoYXZpb3Igb2YKPiA+IGRldGVjdF9jYWNoZV9hdHRyaWJ1 dGVzKCkgaXMgYmFzaWNhbGx5IHVuY2hhbmdlZC4KPiAKPiBGV0lXIEkgcHJlZmVyIHRoZSBzb2x1 dGlvbiB3aXRoIHRoZSBib29sL2ZsYWcgb3ZlciB0aGUgcGVyLWNwdSB2YXJpYWJsZS4KPiBBdDoK PiBodHRwczovL2xvcmUua2VybmVsLm9yZy9hbGwvMjAyMzAzMjcxMTU5NTMuNzg4MjQ0LTQtcGll cnJlLmdvbmRvaXNAYXJtLmNvbS8KPiBJIHN1Z2dlc3RlZCB0byBhZGQgYSAnYm9vbCB1c2VfYXJj aF9pbmZvOycgYW5kIG5vYm9keSBzZWVtZWQgdG8gY29tcGxhaW4KPiBhYm91dCBpdCAoc28gZmFy KS4gSSBhc3N1bWUgdGhlIGZpZWxkIGNvdWxkIGJlIHJlLXVzZWQgZm9yIHRoaXMgcHVycG9zZS4K CkluIHRoYXQgcGF0Y2gsICdib29sIHVzZV9hcmNoX2luZm8nIGlzIGEgbG9jYWwgdmFyaWFibGUg KG5vdCBhIGZpZWxkIGluCnN0cnVjdCBjcHVfY2FjaGVpbmZvKSwgc28gSSdtIG5vdCBleGFjdGx5 IHN1cmUgaG93IGl0IGNhbiBiZSByZXVzZWQuCkJ1dCBmb3Igbm93IEknbSBnb2luZyB0byBhc3N1 bWUgaXQgc2hvdWxkIGJlIGZpbmUgdG8gYWRkIGEgZmllbGQgOikKCkkgd2lsbCBwcmVwYXJlIGEg djIgcGF0Y2ggYmFzZWQgb24gZXZlcnl0aGluZyB3ZSBoYXZlIGRpc2N1c3NlZCBzbyBmYXIKYW5k IHNlbmQgaXQsIHRoZW4gSSBndWVzcyB3ZSBjYW4gdGFrZSBpdCBmcm9tIHRoZXJlLgoKPiA+IEBA IC00NDYsOCArNDUxLDExIEBAIGludCBmZXRjaF9jYWNoZV9pbmZvKHVuc2lnbmVkIGludCBjcHUp Cj4gPiDCoCAqLwo+ID4gwqAgdGhpc19jcHVfY2ktPm51bV9sZWF2ZXMgPSBsZXZlbHMgKyBzcGxp dF9sZXZlbHM7Cj4gPiDCoCB9Cj4gPiAtIGlmICghY2FjaGVfbGVhdmVzKGNwdSkpCj4gPiAtIHJl dHVybiAtRU5PRU5UOwo+ID4gKyBpZiAoIWNhY2hlX2xlYXZlcyhjcHUpKSB7Cj4gPiArIHJldCA9 IGVhcmx5X2NhY2hlX2xldmVsKGNwdSk7Cj4gPiArIGlmIChyZXQgPCAwKQo+ID4gKyByZXR1cm4g cmV0Owo+ID4gKyB9Cj4gCj4gSWYgdGhlcmUgYXJlIG5vIFBQVFQsIGFjcGlfZ2V0X2NhY2hlX2lu Zm8oKSBzaG91bGQgcmV0dXJuIGFuIGVycm9yIGNvZGUuCgpXaGF0IGlmIHRoZSBQUFRUIHRhYmxl cyBhcmUgdGhlcmUgYW5kIGFjcGlfZ2V0X2NhY2hlX2luZm8oKSByZXR1cm5zIDAKYnV0IHRoZSBu dW1iZXIgb2YgbGVhdmVzIGlzIHN0aWxsIDAgaW4gdGhlIGVuZD8gVGhpcyAqZG9lcyogaGFwcGVu IGluCm15IHRlc3QgZW52aXJvbm1lbnQgKHFlbXUgLU0gdmlydCAtY3B1IGNvcnRleC1hNTcpLiBJ IGFncmVlIHRoYXQgdGhlbgp0aGUgc3lzdGVtIGlzIGxpa2VseSBicm9rZW4gKGFuZCBpbiBteSBj YXNlIGl0J3MgcHJvYmFibHkgYSBxZW11IGJ1ZyksCmJ1dCBteSBwb2ludCBpcyB0aGF0IHRoZSBr ZXJuZWwgc2hvdWxkIHN0aWxsIHRyeSBpdHMgYmVzdCB0byBkbyB0aGUKcmlnaHQgdGhpbmcgYW5k IGZhbGwgYmFjayB0byBhdXRvLWRldGVjdGlvbi4KCj4gVGhlIHBhdGNoLXNldCBhdDoKPiBodHRw czovL2xvcmUua2VybmVsLm9yZy9hbGwvMjAyMzAzMjcxMTU5NTMuNzg4MjQ0LTEtcGllcnJlLmdv bmRvaXNAYXJtLmNvbS8KPiBzaG91bGQgbWFrZSBpbml0X29mX2NhY2hlX2xldmVsKCkgcmV0dXJu IGVycm9yIGNvZGUgYXN3ZWxsLgo+IAo+IEkgdGhpbmsgdGhlc2UgZXJyb3IgY29kZXMgc2hvdWxk IGJlIGNhdWdodCBpbnN0ZWFkIG9mIGNoZWNraW5nOgo+ICsgaWYgKCFjYWNoZV9sZWF2ZXMoY3B1 KSkKCgpZb3UgaGF2ZSBhIHZhbGlkIHBvaW50IGhlcmUuIFdlICptdXN0KiBmYWxsIGJhY2sgdG8g YXV0by1kZXRlY3Rpb24gaWYKdGhlcmUgaXMgYW4gZXJyb3IgcmVhZGluZyB0aGUgRFQvQUNQSS4g Q3VycmVudGx5IHRoZSBmdW5jdGlvbiByZXR1cm5zCmVhcmx5IGluIHRoYXQgY2FzZS4KCk1heWJl IHdlIHNob3VsZCBjaGVjayBib3RoIHRoZSBlcnJvciBjb2RlIGFuZCB0aGUgbnVtYmVyIG9mIGxl YXZlcz8gQnV0CmluIHRoYXQgY2FzZSwgdGhlIGVycm9yIGNvZGUgYmVjb21lcyBpcnJlbGV2YW50 LCBzaW5jZSB0aGUgbnVtYmVyIG9mCmxlYXZlcyBpcyBsaWtlbHkgMCBhbnl3YXkgaWYgdGhlcmUg aXMgYW4gZXJyb3IuCgpCZXN0IHJlZ2FyZHMsClJhZHUKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdAps aW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==