From patchwork Thu Dec 8 19:38:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Matlack X-Patchwork-Id: 13068785 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 792FEC4332F for ; Thu, 8 Dec 2022 19:40:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Message-ID: References:Mime-Version:In-Reply-To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=zgo4bjwcZKRXmcvQBJfDOYjToZawHimYRb3/XLABlsk=; b=eHuxQ8ayFWS3EclV+gbIo5G+N4 90Nf4TbAaUlKcsW9xmxbz6W2eqVD3cwTr3IX/gVTNHTvdOPg2ejLxSnJxUiGQS0PcENwbaYDYoUN3 Tg2qN7Y4A0z/fUwYN7LMsPszN996KlIoF2FnqduvGF9TFKFyRyQ5nyC5rydof1MJdZz/Jypp2f7BL NJbUrGSPMhSmozpCsYLVLOBr59v/VzQejSHWJHGPQBc00v3+QgIyGV+uhqz9yC0gF7o5fBxrVE1Z2 BdTihUWmSToTJS/dj48VApUcxGwbPm14EBOvThKP63yRLedZwmWKVM5OWfuVabV6mluYncs9U9kac niOWNNZg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p3Mkw-009tdD-4x; Thu, 08 Dec 2022 19:40:30 +0000 Received: from mail-yw1-f201.google.com ([209.85.128.201]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p3Mke-009tEY-An for linux-riscv@lists.infradead.org; Thu, 08 Dec 2022 19:40:13 +0000 Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-368994f4bc0so24905927b3.14 for ; Thu, 08 Dec 2022 11:40:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=9jkEeOR+eFVYLdV/biNhqONLCqpOOeuWNQBN9kUw+a4=; b=RcX1fA9WGa6w4C9PUxG4OPVBo1zxjA/xcbKeSP6a3foCAqZ7FzqI1mFwD63t1Zj64f dUcsVkx5+LL+NIjjNV1LqNWVddFOpYikSd3WUTyGFLn96H50k7PwdHsttsFJt9P1ez0b 1mfPx6AlqK6ylftXIU2F9Nj5hSc+ikFrGZ/z1f/qPxYxfvx/OXVl/tDLZo61SUF3zvKK PYv1RXX6MMcltPMtFw1Jp+095PHbtWtFgqbpJbKkr0cp5YLn1DUp9X/nB2YNG55HXF6K /rKkgYv9i7/aE4/qJBLcexm7xz9bNSYN/tkjp5XaQYlxAPljLege78wWIo+X1uBQR1Re /MJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9jkEeOR+eFVYLdV/biNhqONLCqpOOeuWNQBN9kUw+a4=; b=ve2uqSOJ0ziXfHrfVdDJBLwlit9ZL//Qi/iUrItSKvMh47LI6nGIIVCG+AoK53TtUK pWX74aA3nLLV0qX/o6LOcxR6iBx9uJqE517bLmvBtSVrcDgQdjjnoJPjHWDHSvDog462 azwW06Z/WtSUwskEox15C2ZuLPDY538m+twujXzj6dp80ET4gznxMypI6LbO6xv+Upgx nzrA5CPPmnjDROA9BuOPOMcZdtI8Li9Br349CAKWiHaf445s82dGlmNwMHdwvzxVdevq LUNXhyTUdGXwP2WX+o06LXUm1SCZa4BT72/2UzJPc0kEUyVtv/ErrBa31Ie+EgJNR6x8 gh1Q== X-Gm-Message-State: ANoB5pkBVWFYVjLLtv5o4W2EHSfFcSa+YF4IwP8dwEqOlbEow450vKO2 6P39wZGFk2bCnnGCEI7qdT38G2JdWlM57g== X-Google-Smtp-Source: AA0mqf5Y/oazogGX+tpbF7bdOJO4aayzIsYsnlV7zDudirQdvI5dtEVAX371oDYlEt+kHPpaNkmdcoOtQ7CEag== X-Received: from dmatlack-n2d-128.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:1309]) (user=dmatlack job=sendgmr) by 2002:a25:c6c2:0:b0:6f0:b351:c300 with SMTP id k185-20020a25c6c2000000b006f0b351c300mr63444626ybf.102.1670528409549; Thu, 08 Dec 2022 11:40:09 -0800 (PST) Date: Thu, 8 Dec 2022 11:38:57 -0800 In-Reply-To: <20221208193857.4090582-1-dmatlack@google.com> Mime-Version: 1.0 References: <20221208193857.4090582-1-dmatlack@google.com> X-Mailer: git-send-email 2.39.0.rc1.256.g54fd8350bd-goog Message-ID: <20221208193857.4090582-38-dmatlack@google.com> Subject: [RFC PATCH 37/37] KVM: MMU: Move the TDP MMU to common code From: David Matlack To: Paolo Bonzini Cc: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Oliver Upton , Huacai Chen , Aleksandar Markovic , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Sean Christopherson , Andrew Morton , David Matlack , Anshuman Khandual , Nadav Amit , "Matthew Wilcox (Oracle)" , Vlastimil Babka , "Liam R. Howlett" , Suren Baghdasaryan , Peter Xu , xu xin , Arnd Bergmann , Yu Zhao , Colin Cross , Hugh Dickins , Ben Gardon , Mingwei Zhang , Krish Sadhukhan , Ricardo Koller , Jing Zhang , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221208_114012_380635_467BBCB9 X-CRM114-Status: GOOD ( 10.21 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Move tdp_mmu.[ch] from arch/x86 and into the common code directories. This will allow other architectures to use the TDP MMU in the future. No functional change intended. Signed-off-by: David Matlack --- arch/x86/kvm/Makefile | 2 +- arch/x86/kvm/mmu/mmu.c | 3 ++- {arch/x86/kvm/mmu => include/kvm}/tdp_mmu.h | 6 +++++- virt/kvm/Makefile.kvm | 1 + {arch/x86 => virt}/kvm/mmu/tdp_mmu.c | 8 +++----- 5 files changed, 12 insertions(+), 8 deletions(-) rename {arch/x86/kvm/mmu => include/kvm}/tdp_mmu.h (94%) rename {arch/x86 => virt}/kvm/mmu/tdp_mmu.c (99%) diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index cb9ae306892a..06b61fdea539 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -18,7 +18,7 @@ ifdef CONFIG_HYPERV kvm-y += kvm_onhyperv.o endif -kvm-$(CONFIG_X86_64) += mmu/tdp_pgtable.o mmu/tdp_mmu.o +kvm-$(CONFIG_X86_64) += mmu/tdp_pgtable.o kvm-$(CONFIG_KVM_XEN) += xen.o kvm-$(CONFIG_KVM_SMM) += smm.o diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index f2602ee1771f..8653776bca6f 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -19,7 +19,6 @@ #include "ioapic.h" #include "mmu.h" #include "mmu_internal.h" -#include "tdp_mmu.h" #include "x86.h" #include "kvm_cache_regs.h" #include "smm.h" @@ -27,6 +26,8 @@ #include "cpuid.h" #include "spte.h" +#include + #include #include #include diff --git a/arch/x86/kvm/mmu/tdp_mmu.h b/include/kvm/tdp_mmu.h similarity index 94% rename from arch/x86/kvm/mmu/tdp_mmu.h rename to include/kvm/tdp_mmu.h index 607c1417abd1..538c848149c9 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.h +++ b/include/kvm/tdp_mmu.h @@ -5,7 +5,11 @@ #include -#include "spte.h" +#include +#include +#include +#include +#include int kvm_mmu_init_tdp_mmu(struct kvm *kvm); void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm); diff --git a/virt/kvm/Makefile.kvm b/virt/kvm/Makefile.kvm index 58b595ac9b8d..942681308140 100644 --- a/virt/kvm/Makefile.kvm +++ b/virt/kvm/Makefile.kvm @@ -14,3 +14,4 @@ kvm-$(CONFIG_HAVE_KVM_DIRTY_RING) += $(KVM)/dirty_ring.o kvm-$(CONFIG_HAVE_KVM_PFNCACHE) += $(KVM)/pfncache.o kvm-$(CONFIG_HAVE_TDP_MMU) += $(KVM)/mmu/tdp_iter.o +kvm-$(CONFIG_HAVE_TDP_MMU) += $(KVM)/mmu/tdp_mmu.o diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/virt/kvm/mmu/tdp_mmu.c similarity index 99% rename from arch/x86/kvm/mmu/tdp_mmu.c rename to virt/kvm/mmu/tdp_mmu.c index c950d688afea..5ca8892ebef5 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/virt/kvm/mmu/tdp_mmu.c @@ -1,11 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 -#include "mmu.h" -#include "mmu_internal.h" -#include "tdp_mmu.h" -#include "spte.h" - +#include +#include #include +#include #include #include