From patchwork Thu Jul 29 22:09:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oliver Upton X-Patchwork-Id: 12409945 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 2704FC4338F for ; Thu, 29 Jul 2021 22:11:47 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DE49D604DB for ; Thu, 29 Jul 2021 22:11:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DE49D604DB Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:References: Mime-Version:Message-Id: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=L5EV4LZtVZTDOGf3mqEKkYmM7v65a0jeDFWiIwMoGnM=; b=ElKWWsOC2jmzAkd75gjOAN4gHt VdrJJHtjakC4BzV9CGQMmIJaInaGJnzqFTFD95xbRjGbSXsr/1u3TmdzS4Av9MNH8ucfED3iEQd5q PB07TQDpkmqpFHIqUghQ2nkH/eHnbZei8zVJNUIuKtVXBQw0gGWsI4B8xbEU2Ef7pLssjn6tvvmLB S8Mdd+Mh/DLx1hR8E7yTE4S8yL3D3EVY4plRkC3H4AXF0hX5ySCpcHcX2GFjG9sk7ROk+M9KuSnJL 6NHpeL9zxxT3A0FhFJABgEllZ4iu85TFkNQg6q4cneLOqM8qbT4n1EBwCWWsR4cQO5VrFKuM/LAm7 W0AOAFcg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9EDe-006BNT-6n; Thu, 29 Jul 2021 22:09:34 +0000 Received: from mail-io1-xd4a.google.com ([2607:f8b0:4864:20::d4a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9EDZ-006BKz-UU for linux-arm-kernel@lists.infradead.org; Thu, 29 Jul 2021 22:09:31 +0000 Received: by mail-io1-xd4a.google.com with SMTP id f3-20020a5ec7030000b029054f7bfa6d64so4629000iop.13 for ; Thu, 29 Jul 2021 15:09:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=OUDEC1vqPr7sdUdf2B7zr2nu10+QX6s5o8FUl8jn128=; b=afE61tmFlcKYV3syP0+ocrz06Dzk453aCfpsM5SdLvc9pXlbGValTdHId9+zvt7H+M wYkB0MblDqvsjNJQs3xi0hlRFhf5T2vW5CS2ZIv7ezpfpvzRtWEk9hygtiKge9mN1F9U WnKUVDYfMwPaMVDB778tT5OjBgssPZfqJsShDS+S+hY3M/4XbAe07rjzHqhnrsB3QOlh oDO1n0Hr+y+GJtvHFGUarcecAb9fZi4NVCmTTOKOsxmhlfSrIW1+GQ/kW8St9S68/pH6 ZZ3P18M07QIcvNF07ClKQqYPgHfSkbBLFtoN8V027CGEypWH8yATHh6g3uqpDKBhxT3p U58w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=OUDEC1vqPr7sdUdf2B7zr2nu10+QX6s5o8FUl8jn128=; b=mmSC5z6ocpUYF7M9hE1CT/ATw1a6LE4luhieLl/PIV+MrF+D34vRDX9Mx/z4ChAby1 fYBKxGxKUvJyv9LETJtvZo1Kqc712ymbBBeJ9xFOsY3llIf71ndRdmLTj4I6HBEsFwz/ npQwLpgUSPvIQDBm6qGuLcj3uQE6u1LDMf9OcdbMAeL3UO3E8HC57Fhu7xWiU+3/Wcpk ZGrc2G3XLE0LVKknq9pfSk9BPaABaEIx6V+X2Mzv/mEZ0Dyz5v5d07VF5d09MyBXq8bu u5muHnxVPRULs9cgab0Uka/9FEsKorUy2DUspYLwmT0SvcObfWKQBg+BDB2sAL49TG2r Kc9w== X-Gm-Message-State: AOAM530Ha8dTJVpW1Fd/FwmcI7Gkkhe4D4ltLQM2hEtTuD7XzKok7uvj MI8+/2LxP/cbb2MT9po45YVX5rUBRrc= X-Google-Smtp-Source: ABdhPJynKEKZCh3Kk0HnLCvNi7Sc5MHDpzqm8Ql84cT0T630dSbB3HhwdbM09/xE2CFjkssQ6KG4bWN3Y/U= X-Received: from oupton.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:404]) (user=oupton job=sendgmr) by 2002:a02:b058:: with SMTP id q24mr117122jah.88.1627596567382; Thu, 29 Jul 2021 15:09:27 -0700 (PDT) Date: Thu, 29 Jul 2021 22:09:15 +0000 In-Reply-To: <20210729220916.1672875-1-oupton@google.com> Message-Id: <20210729220916.1672875-3-oupton@google.com> Mime-Version: 1.0 References: <20210729220916.1672875-1-oupton@google.com> X-Mailer: git-send-email 2.32.0.554.ge1b32706d8-goog Subject: [PATCH v2 2/3] entry: KVM: Allow use of generic KVM entry w/o full generic support From: Oliver Upton To: kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Paolo Bonzini , Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Catalin Marinas , Will Deacon , Thomas Gleixner , Peter Zijlstra , Andy Lutomirski , linux-arm-kernel@lists.infradead.org, Peter Shier , Shakeel Butt , Guangyu Shi , Oliver Upton X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210729_150930_013584_52024A95 X-CRM114-Status: GOOD ( 11.69 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some architectures (e.g. arm64) have yet to adopt the generic entry infrastructure. Despite that, it would be nice to use some common plumbing for guest entry/exit handling. For example, KVM/arm64 currently does not handle TIF_NOTIFY_PENDING correctly. Allow use of only the generic KVM entry code by tightening up the include list. No functional change intended. Signed-off-by: Oliver Upton --- include/linux/entry-kvm.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/linux/entry-kvm.h b/include/linux/entry-kvm.h index 136b8d97d8c0..0d7865a0731c 100644 --- a/include/linux/entry-kvm.h +++ b/include/linux/entry-kvm.h @@ -2,7 +2,11 @@ #ifndef __LINUX_ENTRYKVM_H #define __LINUX_ENTRYKVM_H -#include +#include +#include +#include +#include +#include #include /* Transfer to guest mode work */