From nobody Thu Apr 2 21:31:12 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97A20C6FA8E for ; Tue, 20 Sep 2022 23:32:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231237AbiITXcg (ORCPT ); Tue, 20 Sep 2022 19:32:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231216AbiITXcH (ORCPT ); Tue, 20 Sep 2022 19:32:07 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CCDA73923 for ; Tue, 20 Sep 2022 16:31:56 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id b11-20020a170902d50b00b0017828988079so2641543plg.21 for ; Tue, 20 Sep 2022 16:31:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date; bh=qGYDlw3EvdizUpemXeSoCeVsNs+yYIOG67hOKnUatms=; b=l7Lp5U5v/vd1ssIDwUNHnPXb9ZW/u+uQ0NJ5j+WkMA0ReEnXJ+qo0JZHET5P3xvlOl Fg+Q4rtb4+WKEbaCyFcEv8dJA/Hx3JBHATOB5eaXsxR9ios9ARXSYIi2/oieY81tyHLW zKaYeYPwP6GZABws7HiWrYOq4Ts0HKt6MOgHBuXYF5RAe4ZnugBVo59OwNRytjzjD8NH hpftrXpsncCCu80m98C/hHmL5jdQNxTf94xvD8NHs/vLWBsJeg9eOsSm/SuWgSMJsoQS iJmH94vInfEtxRfgRYqcC+UHb73fkeAy5qnzplKXHqtJTGD8eEyv+zsOxxT4j9B/5ZRD 0E/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date; bh=qGYDlw3EvdizUpemXeSoCeVsNs+yYIOG67hOKnUatms=; b=u6tAmDGbE+4+xOBLxxjtorNG9PFxhE8FT1YtwkVvALZyNSLo/Td7tdTW+IWMixKBCG j/RLxbEfLob58baiFi/eip6PUdTG4CrMWkNFkfnseuHO1WffieXR0A3g0fRoFr+vJxPW Q8StRU4mnVs/9AYusal1Pv1dI9La7PXmA6qW98f6RplytRh/wEmRHq1M/lLrbVYLhxCh eZOuw0zargaDQB/4cs22Of7geEZyocV6N6rFyBYiQWAPPT5nkzCeVAmElMBAjaoUj/Uw ROV6aszs8lhsjuIEmdDHHHhacEyoR/qaZWHQ3AI88pu15d6CoDG/KHBDiQd3AdfpD5Jy oXPg== X-Gm-Message-State: ACrzQf1LSD437b6C0PSi3Ffqrt7FMYea20ouhsBo7Z+5f1odZgNN6a98 +wkYPQS7rQxTqb1umhL8EinHG4qTU8A= X-Google-Smtp-Source: AMsMyM4HNsJhYXHtBeAivKQvQTgv1IMYBwgEUlW7HSP+ZZQ3yIcOmiXAv64JsNyCa9P0thlXWKFzid9coy8= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:90b:1181:b0:203:ae0e:6a21 with SMTP id gk1-20020a17090b118100b00203ae0e6a21mr405142pjb.0.1663716715884; Tue, 20 Sep 2022 16:31:55 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 20 Sep 2022 23:31:17 +0000 In-Reply-To: <20220920233134.940511-1-seanjc@google.com> Mime-Version: 1.0 References: <20220920233134.940511-1-seanjc@google.com> X-Mailer: git-send-email 2.37.3.968.ga6b4b080e4-goog Message-ID: <20220920233134.940511-12-seanjc@google.com> Subject: [PATCH v3 11/28] KVM: SVM: Fix x2APIC Logical ID calculation for avic_kick_target_vcpus_fast From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Alejandro Jimenez , Suravee Suthikulpanit , Maxim Levitsky , Li RongQing Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Suravee Suthikulpanit For X2APIC ID in cluster mode, the logical ID is bit [15:0]. Fixes: 603ccef42ce9 ("KVM: x86: SVM: fix avic_kick_target_vcpus_fast") Cc: Maxim Levitsky Signed-off-by: Suravee Suthikulpanit Reviewed-by: Maxim Levitsky Signed-off-by: Sean Christopherson --- arch/x86/kvm/svm/avic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index e9aab8ecce83..e35e9363e7ff 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -356,7 +356,7 @@ static int avic_kick_target_vcpus_fast(struct kvm *kvm,= struct kvm_lapic *source =20 if (apic_x2apic_mode(source)) { /* 16 bit dest mask, 16 bit cluster id */ - bitmap =3D dest & 0xFFFF0000; + bitmap =3D dest & 0xFFFF; cluster =3D (dest >> 16) << 4; } else if (kvm_lapic_get_reg(source, APIC_DFR) =3D=3D APIC_DFR_FLAT) { /* 8 bit dest mask*/ --=20 2.37.3.968.ga6b4b080e4-goog