From patchwork Mon Nov 1 14:03:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 12596473 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 672D5C433F5 for ; Mon, 1 Nov 2021 14:04:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F457610A0 for ; Mon, 1 Nov 2021 14:04:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbhKAOGh (ORCPT ); Mon, 1 Nov 2021 10:06:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:53429 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232117AbhKAOGh (ORCPT ); Mon, 1 Nov 2021 10:06:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1635775443; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vm64mHgL0IQZZWUDPZzx7p+0Aoc/gsuLe6I2UPyCNOE=; b=RmyiTDcDcpIfEa4o2ivSzWKUxRIRjOEh54aDr2R/pqHGP78C6Jw7cgFXTdbgSp5ceAxUiR xtPRPbQlZGqcbdrN5il/xH7c3pViWSL3htEPqjN50xfqYKlVRxEPI0cOaBYUxz5WWeTOvx AVZdnjEgDNyKJ++QQZ6Tu0PN4apiiNM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-99-OCzKz-RDNWiFTymbmVmppQ-1; Mon, 01 Nov 2021 10:04:00 -0400 X-MC-Unique: OCzKz-RDNWiFTymbmVmppQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EE06981CBDB; Mon, 1 Nov 2021 14:03:57 +0000 (UTC) Received: from localhost.localdomain (unknown [10.40.194.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3E386101E59B; Mon, 1 Nov 2021 14:03:53 +0000 (UTC) From: Maxim Levitsky To: kvm@vger.kernel.org Cc: Shuah Khan , linux-kselftest@vger.kernel.org (open list:KERNEL SELFTEST FRAMEWORK), Borislav Petkov , Paolo Bonzini , linux-kernel@vger.kernel.org (open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)), Joerg Roedel , "H. Peter Anvin" , Maxim Levitsky , Thomas Gleixner , Vitaly Kuznetsov , Bandan Das , Wanpeng Li , Jim Mattson , Sean Christopherson , Wei Huang , x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)), Ingo Molnar Subject: [PATCH v2 1/6] KVM: x86: SVM: add module param to control LBR virtualization Date: Mon, 1 Nov 2021 16:03:19 +0200 Message-Id: <20211101140324.197921-2-mlevitsk@redhat.com> In-Reply-To: <20211101140324.197921-1-mlevitsk@redhat.com> References: <20211101140324.197921-1-mlevitsk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org This is useful for debug and also makes it consistent with the rest of the SVM optional features. Signed-off-by: Maxim Levitsky --- arch/x86/kvm/svm/svm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 21bb81710e0f6..2b5f8e10d686d 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -186,12 +186,13 @@ module_param(vls, int, 0444); static int vgif = true; module_param(vgif, int, 0444); +static int tsc_scaling = true; +module_param(tsc_scaling, int, 0444); + /* enable/disable LBR virtualization */ static int lbrv = true; module_param(lbrv, int, 0444); -static int tsc_scaling = true; -module_param(tsc_scaling, int, 0444); /* * enable / disable AVIC. Because the defaults differ for APICv