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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 52878ECDE46 for ; Sun, 4 Nov 2018 17:12:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12EBE2085A for ; Sun, 4 Nov 2018 17:12:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MhkdCSsh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 12EBE2085A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729839AbeKEC2O (ORCPT ); Sun, 4 Nov 2018 21:28:14 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:42795 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729339AbeKEC2N (ORCPT ); Sun, 4 Nov 2018 21:28:13 -0500 Received: by mail-wr1-f65.google.com with SMTP id y15-v6so6904796wru.9; Sun, 04 Nov 2018 09:12:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=DwaIjaOplxzcZ7ftx2a6kgsWPHMYRimWe+wNdR5/hJE=; b=MhkdCSshEjRNx9P6uI8UFpbF8xhZBi+BXrVUGq0azBHVfb+d1zjeBVZE0MZmNYcXRY MA6om+WJgl40o+v+zhnVpCAqEXp+JlmQvMJ4Xsll1pSAkOtANQ6qWh/Q+ckP7nV1hXa6 CqzPOGiKXUiwojtMSBT3idTVZQFRgNoqAw4wZ8VeT65adKtmaINQAET4gwQnH/RF30w3 f+cnlNNaERkdOCwvSvDkYWwImy5CnYaVJmX6iV8E9cqT+RePOhDQZSqKCdVOQeHKWsQn AngBM2mt/BjtcyGnUowd/4FXyQ+gF42PKnufo74QdGHHdrfViUkkkv9gWRhFm4I0zBtW 4GyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=DwaIjaOplxzcZ7ftx2a6kgsWPHMYRimWe+wNdR5/hJE=; b=lgPMlx9nQiZ6N7fHEu4jWaBTo6Sk62YlBNLQJTb4XN31yUP1F0cZhCPWEsOEmnXi30 2Sz0Qsxdq/FuryjcqJNRxwq+kI9MRn4jTdivK5d8tcDPQdeXxJ8Y6oBwAANzie1NvNDM I6edUL9uyBua6h49Wl8P2n1JEaQ9Oq3F5boa9h7/36jTkkR5J53/fp1FntZANLs2bGP3 /V1zeM8E5dHiAuGTVlyVSH2JOf86dCS41H5ls+CXId+ASv33jn7ZXOPnu3+Otb61kGrv pnvVZ7KQre6GZLGN90Q4LAGxGFCgrhtMbU4t9Yybn+gGdUMZLH4hrMF5kDNoF1MR9aJO JgcA== X-Gm-Message-State: AGRZ1gKNOH9ExqxPmaqFCIzpGNtUNI0yPO1Ft7kJmFLJma33QbpfIJdt 9duIvwTSgRhdKFC1rRQ3V20= X-Google-Smtp-Source: AJdET5e89ZUGWapFPY6etHj5e1LT86pqcOptFq7O4qxay+gQJ0F3xdZD6d3MGP1AJX6TZZjit4uaxQ== X-Received: by 2002:adf:f148:: with SMTP id y8-v6mr4983695wro.303.1541351553120; Sun, 04 Nov 2018 09:12:33 -0800 (PST) Received: from localhost.localdomain ([41.35.162.9]) by smtp.gmail.com with ESMTPSA id r2-v6sm23707749wrq.1.2018.11.04.09.12.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Nov 2018 09:12:32 -0800 (PST) From: Ahmed Abd El Mawgood To: Paolo Bonzini , rkrcmar@redhat.com, Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , hpa@zytor.com, x86@kernel.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, ahmedsoliman0x666@gmail.com, ovich00@gmail.com, kernel-hardening@lists.openwall.com, nigel.edwards@hpe.com, Boris Lukashev , Hossam Hassan <7ossam9063@gmail.com>, "Ahmed Lotfy igor . stoppa @ gmail . com" Subject: [PATCH V6 7/8] KVM: X86: Port ROE_MPROTECT_CHUNK to x86 Date: Sun, 4 Nov 2018 19:11:23 +0200 Message-Id: <20181104171124.5717-8-ahmedsoliman0x666@gmail.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20181104171124.5717-1-ahmedsoliman0x666@gmail.com> References: <20181104171124.5717-1-ahmedsoliman0x666@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Apply d->memslot->partial_roe_bitmap to shadow page table entries too. Signed-off-by: Ahmed Abd El Mawgood --- arch/x86/kvm/roe.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/roe.c b/arch/x86/kvm/roe.c index cd3e6944c15f..b2b50fbcd598 100644 --- a/arch/x86/kvm/roe.c +++ b/arch/x86/kvm/roe.c @@ -25,9 +25,12 @@ static bool __rmap_write_protect_roe(struct kvm *kvm, struct rmap_iterator iter; bool prot; bool flush = false; + void *full_bmp = d->memslot->roe_bitmap; + void *part_bmp = d->memslot->partial_roe_bitmap; for_each_rmap_spte(rmap_head, &iter, sptep) { - prot = !test_bit(d->i, d->memslot->roe_bitmap) && pt_protect; + prot = !(test_bit(d->i, full_bmp) || test_bit(d->i, part_bmp)); + prot = prot && pt_protect; flush |= spte_write_protect(sptep, prot); d->i++; } -- 2.18.1