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=-9.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 C7CBEC432BE for ; Mon, 26 Jul 2021 13:59:14 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8784B60F55 for ; Mon, 26 Jul 2021 13:59:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8784B60F55 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ThNdfsTvx05Bo8NMVdwtbK6oIqV7J9BHyyF+C85gPJc=; b=RiDwJqlgLUHkEFYMeWWUznEp1d 0Op2YfM6FFNvmTNxPT6S38jM29J7tdgkVysToiMtmFfx2MDGGcs3PdZc5hMelEz5fV3iRJsqr/135 If9dErJONceWXNEUZ3OPq41MCu+3jlVUQLKCNb7OFhTl6VP5gmPyvqNEa4KCVrbpcrsDAYe/5zS55 0Rzxosyb3fGc4e38Eh6T1JwI5unh3hGHcuAA7TW+O0UoSdEMWjwf5Lmq7e0y3R0YwkKkxyQfOps/s F1TIQelLYhLTGH2wZgOdjkkvhWeb8IaY5+0L1r48oDmFqzBVSWD+965leWWWEUNtyHc7Hd+/uN4lt je0e8qsw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m816e-00BOW8-Dg; Mon, 26 Jul 2021 13:57:20 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m816a-00BOVR-Pt for linux-arm-kernel@lists.infradead.org; Mon, 26 Jul 2021 13:57:18 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8E0CD6023F; Mon, 26 Jul 2021 13:57:16 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1m816Y-0013Q0-N0; Mon, 26 Jul 2021 14:57:14 +0100 MIME-Version: 1.0 Date: Mon, 26 Jul 2021 14:57:14 +0100 From: Marc Zyngier To: Juergen Gross Cc: Paolo Bonzini , linux-kernel@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, James Morse , Alexandru Elisei , Suzuki K Poulose , Catalin Marinas , Will Deacon , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , kvmarm@lists.cs.columbia.edu Subject: Re: [PATCH 5/6] kvm: allocate vcpu pointer array separately In-Reply-To: <2aed0475-3df0-5ac6-f393-042b5e798ebc@suse.com> References: <20210701154105.23215-1-jgross@suse.com> <20210701154105.23215-6-jgross@suse.com> <001b7eab-ed7b-da27-a623-057781cf1211@redhat.com> <2aed0475-3df0-5ac6-f393-042b5e798ebc@suse.com> User-Agent: Roundcube Webmail/1.4.11 Message-ID: <1643c773ce53d643f45feb53dbbfd819@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: jgross@suse.com, pbonzini@redhat.com, linux-kernel@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, catalin.marinas@arm.com, will@kernel.org, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, kvmarm@lists.cs.columbia.edu X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210726_065716_915587_A932901B X-CRM114-Status: GOOD ( 17.37 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyMS0wNy0yNiAxNDo0NiwgSnVlcmdlbiBHcm9zcyB3cm90ZToKPiBPbiAyNi4wNy4yMSAx NTo0MCwgUGFvbG8gQm9uemluaSB3cm90ZToKPj4gT24gMDEvMDcvMjEgMTc6NDEsIEp1ZXJnZW4g R3Jvc3Mgd3JvdGU6Cj4+PiDCoCB7Cj4+PiAtwqDCoMKgIGlmICghaGFzX3ZoZSgpKQo+Pj4gK8Kg wqDCoCBpZiAoIWhhc192aGUoKSkgewo+Pj4gK8KgwqDCoMKgwqDCoMKgIGtmcmVlKGt2bS0+dmNw dXMpOwo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgIGtmcmVlKGt2bSk7Cj4+PiAtwqDCoMKgIGVsc2UK Pj4+ICvCoMKgwqAgfSBlbHNlIHsKPj4+ICvCoMKgwqDCoMKgwqDCoCB2ZnJlZShrdm0tPnZjcHVz KTsKPj4+IMKgwqDCoMKgwqDCoMKgwqDCoCB2ZnJlZShrdm0pOwo+Pj4gK8KgwqDCoCB9Cj4+PiDC oCB9Cj4+PiDCoCBpbnQga3ZtX2FyY2hfdmNwdV9wcmVjcmVhdGUoc3RydWN0IGt2bSAqa3ZtLCB1 bnNpZ25lZCBpbnQgaWQpCj4+PiBkaWZmIC0tZ2l0IGEvYXJjaC94ODYvaW5jbHVkZS9hc20va3Zt X2hvc3QuaCAKPj4+IGIvYXJjaC94ODYvaW5jbHVkZS9hc20va3ZtX2hvc3QuaAo+Pj4gaW5kZXgg NzkxMzhjOTFmODNkLi4zOWNiYzRiNmJmZmIgMTAwNjQ0Cj4+PiAtLS0gYS9hcmNoL3g4Ni9pbmNs dWRlL2FzbS9rdm1faG9zdC5oCj4+PiArKysgYi9hcmNoL3g4Ni9pbmNsdWRlL2FzbS9rdm1faG9z dC5oCj4+PiBAQCAtMTQ0MCwxMCArMTQ0MCw3IEBAIHN0YXRpYyBpbmxpbmUgdm9pZCAKPj4+IGt2 bV9vcHNfc3RhdGljX2NhbGxfdXBkYXRlKHZvaWQpCj4+PiDCoCB9Cj4+PiDCoCAjZGVmaW5lIF9f S1ZNX0hBVkVfQVJDSF9WTV9BTExPQwo+Pj4gLXN0YXRpYyBpbmxpbmUgc3RydWN0IGt2bSAqa3Zt X2FyY2hfYWxsb2Nfdm0odm9pZCkKPj4+IC17Cj4+PiAtwqDCoMKgIHJldHVybiBfX3ZtYWxsb2Mo a3ZtX3g4Nl9vcHMudm1fc2l6ZSwgR0ZQX0tFUk5FTF9BQ0NPVU5UIHwgCj4+PiBfX0dGUF9aRVJP KTsKPj4+IC19Cj4+PiArc3RydWN0IGt2bSAqa3ZtX2FyY2hfYWxsb2Nfdm0odm9pZCk7Cj4+PiDC oCB2b2lkIGt2bV9hcmNoX2ZyZWVfdm0oc3RydWN0IGt2bSAqa3ZtKTsKPj4+IMKgICNkZWZpbmUg X19LVk1fSEFWRV9BUkNIX0ZMVVNIX1JFTU9URV9UTEIKPj4+IGRpZmYgLS1naXQgYS9hcmNoL3g4 Ni9rdm0veDg2LmMgYi9hcmNoL3g4Ni9rdm0veDg2LmMKPj4+IGluZGV4IDNhZjM5OGVmMWZjOS4u YTliMGJiMjIyMWVhIDEwMDY0NAo+Pj4gLS0tIGEvYXJjaC94ODYva3ZtL3g4Ni5jCj4+PiArKysg Yi9hcmNoL3g4Ni9rdm0veDg2LmMKPj4+IEBAIC0xMDc0MSw5ICsxMDc0MSwyOCBAQCB2b2lkIGt2 bV9hcmNoX3NjaGVkX2luKHN0cnVjdCBrdm1fdmNwdSAKPj4+ICp2Y3B1LCBpbnQgY3B1KQo+Pj4g wqDCoMKgwqDCoCBzdGF0aWNfY2FsbChrdm1feDg2X3NjaGVkX2luKSh2Y3B1LCBjcHUpOwo+Pj4g wqAgfQo+Pj4gK3N0cnVjdCBrdm0gKmt2bV9hcmNoX2FsbG9jX3ZtKHZvaWQpCj4+PiArewo+Pj4g K8KgwqDCoCBzdHJ1Y3Qga3ZtICprdm07Cj4+PiArCj4+PiArwqDCoMKgIGt2bSA9IF9fdm1hbGxv Yyhrdm1feDg2X29wcy52bV9zaXplLCBHRlBfS0VSTkVMX0FDQ09VTlQgfCAKPj4+IF9fR0ZQX1pF Uk8pOwo+Pj4gK8KgwqDCoCBpZiAoIWt2bSkKPj4+ICvCoMKgwqDCoMKgwqDCoCByZXR1cm4gTlVM TDsKPj4+ICsKPj4+ICvCoMKgwqAga3ZtLT52Y3B1cyA9IF9fdm1hbGxvYyhLVk1fTUFYX1ZDUFVT ICogc2l6ZW9mKHZvaWQgKiksCj4+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIEdGUF9LRVJORUxfQUNDT1VOVCB8IF9fR0ZQX1pFUk8pOwo+Pj4gK8KgwqDCoCBpZiAoIWt2 bS0+dmNwdXMpIHsKPj4+ICvCoMKgwqDCoMKgwqDCoCB2ZnJlZShrdm0pOwo+Pj4gK8KgwqDCoMKg wqDCoMKgIGt2bSA9IE5VTEw7Cj4+PiArwqDCoMKgIH0KPj4+ICsKPj4gCj4+IExldCdzIGtlZXAg dGhpcyBjbGVhbmVyOgo+PiAKPj4gMSkgdXNlIGt2ZnJlZSBpbiB0aGUgY29tbW9uIHZlcnNpb24g b2Yga3ZtX2FyY2hfZnJlZV92bQo+PiAKPj4gMikgc3BsaXQgX19LVk1fSEFWRV9BUkNIX1ZNX0FM TE9DIGFuZCBfX0tWTV9IQVZFX0FSQ0hfVk1fRlJFRSAoQVJNIAo+PiBkb2VzIG5vdCBuZWVkIGl0 IG9uY2Uga3ZmcmVlIGlzIHVzZWQpCj4+IAo+PiAzKSBkZWZpbmUgYSBfX2t2bV9hcmNoX2ZyZWVf dm0gdmVyc2lvbiB0aGF0IGlzIGRlZmluZWQgZXZlbiBpZiAKPj4gIV9fS1ZNX0hBVkVfQVJDSF9W TV9GUkVFLCBhbmQgd2hpY2ggY2FuIGJlIHVzZWQgb24geDg2Lgo+IAo+IE9rYXksIHdpbGwgZG8g c28uCgpJJ2QgYXBwcmVjaWF0ZSBpZiB5b3UgY291bGQgQ2MgbWUgb24gdGhlIHdob2xlIHNlcmll cywgYW5kCm5vdCBqdXN0IHRoZSBzaW5nbGUgYXJtNjQgcGF0Y2guCgpUaGFua3MsCgogICAgICAg ICBNLgotLSAKSmF6eiBpcyBub3QgZGVhZC4gSXQganVzdCBzbWVsbHMgZnVubnkuLi4KCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJu ZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRw Oi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK