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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9BEDC433EF for ; Tue, 16 Nov 2021 03:18:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB44561C12 for ; Tue, 16 Nov 2021 03:18:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238924AbhKPDVI (ORCPT ); Mon, 15 Nov 2021 22:21:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238956AbhKPDSI (ORCPT ); Mon, 15 Nov 2021 22:18:08 -0500 Received: from mail-pj1-x104a.google.com (mail-pj1-x104a.google.com [IPv6:2607:f8b0:4864:20::104a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 021DDC125D67 for ; Mon, 15 Nov 2021 15:46:33 -0800 (PST) Received: by mail-pj1-x104a.google.com with SMTP id gf12-20020a17090ac7cc00b001a968c11642so682359pjb.4 for ; Mon, 15 Nov 2021 15:46:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=z5GMv6NbiMRoCg4DiG3eqEEOfHTG8i5CBe13GQYa+1k=; b=A2uLziMDfGCU+rrQ2OKXdWg6gzg6DIqlGF5SKsaSoBg7uWPPxDJY0s748vK6+QQSOT xVg/6WqCuaWnBf1aaRCxe9xf7+yvVjEDPObAjPhySWzzmEz3J9u6ElblqUWlvjVY7gwQ 9vmqP0gILIWkpqZSxKMwhFsYVRsxmzG1kGVsOQ9RkVhdZp5YZlMfLwDa9/owMnejuIjF Z/lLZlFfojUzhd72kFpUzI+tuPxreNL6xJRK2UkPOweqdhf/ZuW4ZbOZV0w9qjWt/Iav 94QkxePOPuEsMnQQXmsxrwGip68cpaX8/znoVlNLgXNzuZrx410YEZT+0NYZ0TcODjgj S1PA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=z5GMv6NbiMRoCg4DiG3eqEEOfHTG8i5CBe13GQYa+1k=; b=WQsNCEwomnNfQU1pbbFEyoscjQfhZktyv7AgnP/ceaGqGHO/ALhmA0pYt7reFySFfr pmOtcDYsTY7kTqTTGMrTkDZHF0xqlpqTfdt5ZjNC0gb3PspkAYwZHsLkwSNZtAfmGTs0 q6Gu1qEJqxPvwiz3ftPY68rLMLIt194dOgIZ7xtw0qtHDMtz5FRAVn5tqBTFuE94v8Rt x1RfGBP8IuwLqBYfVTulVRo4vF4Ybrd/4yJF/UJxiLskCR1oNolwy368tbmPfWCrswVj yFagD8LBFwyZPCTKUoYpOBkLUVN1Ps6U7IEDBO/dfTaxx0NJvqNSFFTIVr31XQCA36W3 JJ5w== X-Gm-Message-State: AOAM53011dtmbMNEKewF6XikeDTWBWOObTYPYdGc4zEsXHqrypwZbLW5 g9uiRPtxMUIgVdb3ByONVlpB7O+HsYFGQH7rOplTcFP+ZvF7ghOo592fH1vtHdmyq2AtMle69TN RL2NOxz4m8xtBDH4zCHrJd3vb21klV0TSYfeKgIgf/LsRXrNc66x1EXTSrgto2G1EQIA/ZmcG X-Google-Smtp-Source: ABdhPJxHaYh7TLQhMk8Ll5lZtJAQgEuc1s0oBzh/SNTUN5Q0ypeYOJUqaOndyUFkEtIVwn11rQrJFTghwIqK X-Received: from bgardon.sea.corp.google.com ([2620:15c:100:202:916d:2253:5849:9965]) (user=bgardon job=sendgmr) by 2002:a17:90b:1b4a:: with SMTP id nv10mr3225743pjb.118.1637019992439; Mon, 15 Nov 2021 15:46:32 -0800 (PST) Date: Mon, 15 Nov 2021 15:46:02 -0800 In-Reply-To: <20211115234603.2908381-1-bgardon@google.com> Message-Id: <20211115234603.2908381-15-bgardon@google.com> Mime-Version: 1.0 References: <20211115234603.2908381-1-bgardon@google.com> X-Mailer: git-send-email 2.34.0.rc1.387.gb447b232ab-goog Subject: [PATCH 14/15] KVM: x86/mmu: Make kvm_is_mmio_pfn usable outside of spte.c From: Ben Gardon To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Paolo Bonzini , Peter Xu , Sean Christopherson , Peter Shier , David Matlack , Mingwei Zhang , Yulei Zhang , Wanpeng Li , Xiao Guangrong , Kai Huang , Keqian Zhu , David Hildenbrand , Ben Gardon Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Export kvm_is_mmio_pfn from spte.c. It will be used in a subsequent commit for in-place lpage promotion when disabling dirty logging. Signed-off-by: Ben Gardon --- arch/x86/kvm/mmu/spte.c | 2 +- arch/x86/kvm/mmu/spte.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c index 7be41d2dbb02..13b6143f6333 100644 --- a/arch/x86/kvm/mmu/spte.c +++ b/arch/x86/kvm/mmu/spte.c @@ -68,7 +68,7 @@ u64 make_mmio_spte(struct kvm_vcpu *vcpu, u64 gfn, unsigned int access) return spte; } -static bool kvm_is_mmio_pfn(kvm_pfn_t pfn) +bool kvm_is_mmio_pfn(kvm_pfn_t pfn) { if (pfn_valid(pfn)) return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)) && diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h index d7598506fbad..909c24c733c4 100644 --- a/arch/x86/kvm/mmu/spte.h +++ b/arch/x86/kvm/mmu/spte.h @@ -347,4 +347,5 @@ u64 kvm_mmu_changed_pte_notifier_make_spte(u64 old_spte, kvm_pfn_t new_pfn); void kvm_mmu_reset_all_pte_masks(void); +bool kvm_is_mmio_pfn(kvm_pfn_t pfn); #endif -- 2.34.0.rc1.387.gb447b232ab-goog