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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A5C1C07E9D for ; Mon, 26 Sep 2022 14:12:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AF5548E005A; Mon, 26 Sep 2022 10:12:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A7E368E0047; Mon, 26 Sep 2022 10:12:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8F9168E005A; Mon, 26 Sep 2022 10:12:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 7F1FF8E0047 for ; Mon, 26 Sep 2022 10:12:04 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 3D3A380C3E for ; Mon, 26 Sep 2022 14:12:04 +0000 (UTC) X-FDA: 79954425768.25.3BCEA2B Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by imf21.hostedemail.com (Postfix) with ESMTP id 61EE91C0005 for ; Mon, 26 Sep 2022 14:12:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664201523; x=1695737523; h=date:from:to:cc:subject:message-id:reply-to:references: mime-version:in-reply-to; bh=3K99V46lahR/2OM+AWPRnQqkJGlMh+2oIpwQe2KYPck=; b=IaGlymIJJwo6G9+OHrr18R7nohzeBeXZE3nFMMe6TK3uDOrMqW8VlQCZ LnEk1WE0W0fpAQsZ5gQeA0DKrpCeJOBnS3PqkA67LManMzkL0NBguYOEY yYnihmoGWJZt/q1jHntan179W2rxeP9qTTUB/013TZ/gMip6SVQ0Buv5l KB50/otryT1njuA3DC2iY0YOY4T8W6RCHVz1DzET+Z3ruk/irpenFtjQ/ /o06fz7LTlpwYTdWMHU1mGlcW7+1mWVxlLiOo9inOnzCZR0roIp1DV4M4 GF5kUxZMt0kdCkyqJCJ20v63POBJldE2Xc7rlqJ53cUlGS6+Z4FA7ubFm g==; X-IronPort-AV: E=McAfee;i="6500,9779,10482"; a="288175074" X-IronPort-AV: E=Sophos;i="5.93,346,1654585200"; d="scan'208";a="288175074" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2022 07:12:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10482"; a="651841295" X-IronPort-AV: E=Sophos;i="5.93,346,1654585200"; d="scan'208";a="651841295" Received: from chaop.bj.intel.com (HELO localhost) ([10.240.193.75]) by orsmga008.jf.intel.com with ESMTP; 26 Sep 2022 07:11:51 -0700 Date: Mon, 26 Sep 2022 22:07:15 +0800 From: Chao Peng To: Fuad Tabba Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, linux-doc@vger.kernel.org, qemu-devel@nongnu.org, Paolo Bonzini , Jonathan Corbet , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H . Peter Anvin" , Hugh Dickins , Jeff Layton , "J . Bruce Fields" , Andrew Morton , Shuah Khan , Mike Rapoport , Steven Price , "Maciej S . Szmigiero" , Vlastimil Babka , Vishal Annapurve , Yu Zhang , "Kirill A . Shutemov" , luto@kernel.org, jun.nakajima@intel.com, dave.hansen@intel.com, ak@linux.intel.com, david@redhat.com, aarcange@redhat.com, ddutile@redhat.com, dhildenb@redhat.com, Quentin Perret , Michael Roth , mhocko@suse.com, Muchun Song , wei.w.wang@intel.com Subject: Re: [PATCH v8 5/8] KVM: Register/unregister the guest private memory regions Message-ID: <20220926140715.GB2658254@chaop.bj.intel.com> Reply-To: Chao Peng References: <20220915142913.2213336-1-chao.p.peng@linux.intel.com> <20220915142913.2213336-6-chao.p.peng@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1664201523; a=rsa-sha256; cv=none; b=wvgykZnAFFa4N7onXM5ITD2Bn+MldTfL92zQZtEPqhWUPX4WokCnt4FdPjd43Oikvhf5hv P1xoBSxaHF00GcvgO9DSkcsoffMOE6rQIL63HgVH+Rjc/pTXmd9yQfOAenLfeNw0ZlZ0tD Sc+NVviSpqa3M2W3mpggcXs2zJTB2S0= ARC-Authentication-Results: i=1; imf21.hostedemail.com; dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=IaGlymIJ; dmarc=fail reason="No valid SPF" header.from=intel.com (policy=none); spf=none (imf21.hostedemail.com: domain of chao.p.peng@linux.intel.com has no SPF policy when checking 134.134.136.20) smtp.mailfrom=chao.p.peng@linux.intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1664201523; h=from:from:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=wqG7XdME7F7NxDb1zZpQ57tqwgbRNU/iS9Akdi+8XHI=; b=vssM+VKvbyleOblUobFtTsBtQkwf9TGcnF2NYitf7Yqeg2EJysQ/lIO5FCdd/zpF2oBcLd nRMxwecMzmmYJdfQM3CSRi9G8CWuXdDfu0rPdtNM8+HuUMjY/pblro6cNQrwIBh/3iBwE5 w09+bqBiCGPOJwzF9WMEiwXEh4G+WvA= Authentication-Results: imf21.hostedemail.com; dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=IaGlymIJ; dmarc=fail reason="No valid SPF" header.from=intel.com (policy=none); spf=none (imf21.hostedemail.com: domain of chao.p.peng@linux.intel.com has no SPF policy when checking 134.134.136.20) smtp.mailfrom=chao.p.peng@linux.intel.com X-Rspam-User: X-Stat-Signature: nq693m6j7p1sfsmfyy6wsgsfuudr7qqp X-Rspamd-Queue-Id: 61EE91C0005 X-Rspamd-Server: rspam09 X-HE-Tag: 1664201523-885630 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Sep 26, 2022 at 11:36:34AM +0100, Fuad Tabba wrote: ... > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > > index 2125b50f6345..d65690cae80b 100644 > > --- a/include/linux/kvm_host.h > > +++ b/include/linux/kvm_host.h > > @@ -260,6 +260,15 @@ bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range); > > bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range); > > #endif > > > > +#ifdef __KVM_HAVE_ZAP_GFN_RANGE > > +void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end); > > +#else > > +static inline void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start > > + gfn_t gfn_end) > > Missing a comma after gfn_start. Good catch, thanks! Chao > > Cheers, > /fuad