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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 5928AC433E6 for ; Mon, 31 Aug 2020 17:25:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 296E52083E for ; Mon, 31 Aug 2020 17:25:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="KKOc6D3l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729019AbgHaRZY (ORCPT ); Mon, 31 Aug 2020 13:25:24 -0400 Received: from mail.skyhub.de ([5.9.137.197]:40066 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726927AbgHaRZY (ORCPT ); Mon, 31 Aug 2020 13:25:24 -0400 Received: from zn.tnic (p200300ec2f085000329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ec:2f08:5000:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id B10141EC0428; Mon, 31 Aug 2020 19:25:22 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1598894722; 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:in-reply-to:in-reply-to: references:references; bh=55N3m19xFX+WeTO1FbLrZJGhHueve9LBb3xbHqo4WZc=; b=KKOc6D3lpnJoODJ4KbKeLr28wdnjbr7+fuvuUwJFH3E1UBaA9FaDiFbEBYxtFN6cvGCm+R FuSByUuFImwEoa9FnyY60HLjv3klMPCT+V7r1V+IretyrkuZfTUATjBpn2jIqUjwG4iJmH ebRA+zcZsrYhOplPjtq9nsOHjKNQP5k= Date: Mon, 31 Aug 2020 19:25:19 +0200 From: Borislav Petkov To: Joerg Roedel Cc: x86@kernel.org, Joerg Roedel , hpa@zytor.com, Andy Lutomirski , Dave Hansen , Peter Zijlstra , Jiri Slaby , Dan Williams , Tom Lendacky , Juergen Gross , Kees Cook , David Rientjes , Cfir Cohen , Erdem Aktas , Masami Hiramatsu , Mike Stunes , Sean Christopherson , Martin Radev , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v6 70/76] x86/smpboot: Setup TSS for starting AP Message-ID: <20200831172519.GL27517@zn.tnic> References: <20200824085511.7553-1-joro@8bytes.org> <20200824085511.7553-71-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200824085511.7553-71-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 24, 2020 at 10:55:05AM +0200, Joerg Roedel wrote: > @@ -1814,27 +1814,26 @@ static inline void ucode_cpu_init(int cpu) > load_ucode_ap(); > } > > -static inline void tss_setup_ist(struct tss_struct *tss) > +static inline void tss_setup_ist(struct tss_struct *tss, > + struct cpu_entry_area *cea) > { > /* Set up the per-CPU TSS IST stacks */ > - tss->x86_tss.ist[IST_INDEX_DF] = __this_cpu_ist_top_va(DF); > - tss->x86_tss.ist[IST_INDEX_NMI] = __this_cpu_ist_top_va(NMI); > - tss->x86_tss.ist[IST_INDEX_DB] = __this_cpu_ist_top_va(DB); > - tss->x86_tss.ist[IST_INDEX_MCE] = __this_cpu_ist_top_va(MCE); > + tss->x86_tss.ist[IST_INDEX_DF] = CEA_ESTACK_TOP(&cea->estacks, DF); > + tss->x86_tss.ist[IST_INDEX_NMI] = CEA_ESTACK_TOP(&cea->estacks, NMI); > + tss->x86_tss.ist[IST_INDEX_DB] = CEA_ESTACK_TOP(&cea->estacks, DB); > + tss->x86_tss.ist[IST_INDEX_MCE] = CEA_ESTACK_TOP(&cea->estacks, MCE); #ifdef CONFIG_AMD_MEM_ENCRYPT > /* Only mapped when SEV-ES is active */ > - tss->x86_tss.ist[IST_INDEX_VC] = __this_cpu_ist_top_va(VC); > + tss->x86_tss.ist[IST_INDEX_VC] = CEA_ESTACK_TOP(&cea->estacks, VC); #endif -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette