From patchwork Mon Sep 29 18:19:16 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nadav Amit X-Patchwork-Id: 4998451 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5C41B9F2BA for ; Mon, 29 Sep 2014 18:19:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 999A6201BC for ; Mon, 29 Sep 2014 18:19:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD2E62015E for ; Mon, 29 Sep 2014 18:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754238AbaI2STq (ORCPT ); Mon, 29 Sep 2014 14:19:46 -0400 Received: from mailgw12.technion.ac.il ([132.68.225.12]:36259 "EHLO mailgw12.technion.ac.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750822AbaI2STp (ORCPT ); Mon, 29 Sep 2014 14:19:45 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhYFAI2iKVSERCAB/2dsb2JhbABggw6BKtFnAoEUFgEBeoQEAQV5EFFXGYg+uQaGT5AeBxaENQWLSZ4biSGDZmmCSgEBAQ X-IPAS-Result: AhYFAI2iKVSERCAB/2dsb2JhbABggw6BKtFnAoEUFgEBeoQEAQV5EFFXGYg+uQaGT5AeBxaENQWLSZ4biSGDZmmCSgEBAQ X-IronPort-AV: E=Sophos;i="5.04,621,1406581200"; d="scan'208";a="123831514" Received: from csa.cs.technion.ac.il ([132.68.32.1]) by mailgw12.technion.ac.il with ESMTP; 29 Sep 2014 21:19:26 +0300 Received: from csn.cs.technion.ac.il (csn.cs.technion.ac.il [132.68.32.15]) by csa.cs.technion.ac.il (Postfix) with ESMTP id 82ED1140036; Mon, 29 Sep 2014 21:19:25 +0300 (IDT) Received: from csl-tapuz20.cs.technion.ac.il (csl-tapuz20.cs.technion.ac.il [132.68.206.58]) by csn.cs.technion.ac.il (Postfix) with ESMTPSA id 7C0BEA0BC2; Mon, 29 Sep 2014 21:19:25 +0300 (IDT) From: Nadav Amit To: pbonzini@redhat.com Cc: kvm@vger.kernel.org, nadav.amit@gmail.com, Nadav Amit Subject: [PATCH kvm-unit-tests] x86: Test physical x2apic broadcast ICR Date: Mon, 29 Sep 2014 21:19:16 +0300 Message-Id: <1412014756-17083-1-git-send-email-namit@cs.technion.ac.il> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412014558-16970-1-git-send-email-namit@cs.technion.ac.il> References: <1412014558-16970-1-git-send-email-namit@cs.technion.ac.il> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Previously KVM did not deliver x2apic broadcast IPI (dest-id==0xFFFFFFFF) with physical delivery mode. This test checks the fix. Signed-off-by: Nadav Amit --- x86/apic.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/x86/apic.c b/x86/apic.c index 2619d85..373f6e0 100644 --- a/x86/apic.c +++ b/x86/apic.c @@ -372,6 +372,24 @@ static void test_multiple_nmi(void) report("multiple nmi", ok); } +static void test_x2apic_broadcast(void) +{ + int i = 0; + u32 old_received = nmi_received; + + if (!enable_x2apic()) + return; + + handle_irq(2, multiple_nmi_handler); + + apic_icr_write(APIC_DEST_PHYSICAL | APIC_DM_NMI | APIC_INT_ASSERT, + (u32)-1); + while (nmi_received == old_received && i++ < 10000) + pause(); + + report("x2apic broadcast", nmi_received != old_received); +} + int main() { setup_vm(); @@ -392,6 +410,7 @@ int main() test_multiple_nmi(); test_tsc_deadline_timer(); + test_x2apic_broadcast(); return report_summary(); }