From patchwork Sun Dec 7 09:39:01 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nadav Amit X-Patchwork-Id: 5451161 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D2388BEEA8 for ; Sun, 7 Dec 2014 09:39:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 177F02011E for ; Sun, 7 Dec 2014 09:39:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8FF1200F4 for ; Sun, 7 Dec 2014 09:39:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752950AbaLGJjK (ORCPT ); Sun, 7 Dec 2014 04:39:10 -0500 Received: from mailgw10.technion.ac.il ([132.68.225.10]:20774 "EHLO mailgw10.technion.ac.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752832AbaLGJjI (ORCPT ); Sun, 7 Dec 2014 04:39:08 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ar4BAOofhFSERCABjGdsb2JhbABag1hYtwiPCgeGG4EPFgEBAQEBARABAQEnQoUCgVGIO88KhViPa2QdhCAFk0SRHYwubYEDgUABAQE X-IPAS-Result: Ar4BAOofhFSERCABjGdsb2JhbABag1hYtwiPCgeGG4EPFgEBAQEBARABAQEnQoUCgVGIO88KhViPa2QdhCAFk0SRHYwubYEDgUABAQE X-IronPort-AV: E=Sophos;i="5.07,532,1413234000"; d="scan'208";a="490362" Received: from csa.cs.technion.ac.il ([132.68.32.1]) by mailgw10.technion.ac.il with ESMTP; 07 Dec 2014 11:39:05 +0200 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 B082D140039; Sun, 7 Dec 2014 11:39:04 +0200 (IST) 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 A4B2BA1BE2; Sun, 7 Dec 2014 11:39:04 +0200 (IST) From: Nadav Amit To: pbonzini@redhat.com Cc: kvm@vger.kernel.org, Nadav Amit Subject: [PATCH kvm-unit-tests] x86: test_conforming_switch misses es initialization Date: Sun, 7 Dec 2014 11:39:01 +0200 Message-Id: <1417945141-17204-1-git-send-email-namit@cs.technion.ac.il> X-Mailer: git-send-email 1.9.1 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 test_conforming_switch in the taskswitch2 tests, miss es initialization. Fix it. Signed-off-by: Nadav Amit --- x86/taskswitch2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/x86/taskswitch2.c b/x86/taskswitch2.c index f55843c..db3e41a 100644 --- a/x86/taskswitch2.c +++ b/x86/taskswitch2.c @@ -271,7 +271,8 @@ void test_conforming_switch(void) tss_intr.cs = CONFORM_CS_SEL | 3; tss_intr.eip = (u32)user_tss; - tss_intr.ds = tss_intr.gs = tss_intr.fs = tss_intr.ss = USER_DS; + tss_intr.ss = USER_DS; + tss_intr.ds = tss_intr.gs = tss_intr.es = tss_intr.fs = tss_intr.ss; tss_intr.eflags |= 3 << IOPL_SHIFT; set_gdt_entry(CONFORM_CS_SEL, 0, 0xffffffff, 0x9f, 0xc0); asm volatile("lcall $" xstr(TSS_INTR) ", $0xf4f4f4f4");