From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 95C1F385D9C; Wed, 2 Sep 2026 06:02:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788328973; cv=none; b=lQNqKVvf+SweNdSGiyPT+A9UZLQEEUW9psMe33H8pfetwp0sPzjjUFQuaLUca5lSnV9hxFiZcBodHu5NLppRPP0wapp2xHmmk2+L6XuFzoMOIe/Sguq90YHe+wMN3D8kYTyO7oi9BnKRjGhKjB6ceIjYD9AelLOECWI0hFo7fGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788328973; c=relaxed/simple; bh=ZsQIcqiHQLyH2DKVUpBoYLA6XTARs4g/JsX3IormNF8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Vrck1boerbj0BDjL+yA8gak9J0uQ59FV/w58G8TXbEbeRVLsMJroNfYFowRRzAobdx9pFmxHct31doaqRoI6UXH4MQfqWy46+sinCpAoAagJz6lZonJeCJT8bJA4sfUkFRpbUK6GJzRcKl/Imnpjky2ZVgB5GfXK6gVa7c/a1Bc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=VlsAmqAo; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="VlsAmqAo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788328972; x=1819864972; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=ZsQIcqiHQLyH2DKVUpBoYLA6XTARs4g/JsX3IormNF8=; b=VlsAmqAoh/TyFjHM5pn3gWBv4y0I+8uJhwihw5puaeFdwV3RvXpmwoMi VE6zss0VC958Y+avrdRYScs850ivRieAr6w5iavQlbQ1UV6OUPVc5840a lmgfM6m8mDSGYzqYKeKlLlijc3wH6B9jEMDkXtjKPm1OVx4aa5OYwjkO/ Dz9Jr3QyZf3+vJ+YNDRh9f0L8OM/Q+Nqb8xF9MT5VfFR15MDLpkPtaenT pvHhb9PHwhQLKeaPjbGpoxT5/VlxxRmtldwVBunpvWp8li/9kTzarrJJS xLWTVPwBJGp6In/E6qV9wspsgpxnQ3Mi5Weiucp0WxVKmDFj4gI+JnjX8 A==; X-CSE-ConnectionGUID: NykyEv/oT1G0Qv0LEnNYOA== X-CSE-MsgGUID: 16rk4kJFRT+GRiCiWKWzGQ== X-IronPort-AV: E=McAfee;i="6800,10657,11893"; a="99373021" X-IronPort-AV: E=Sophos;i="6.25,257,1779174000"; d="scan'208";a="99373021" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2026 23:02:51 -0700 X-CSE-ConnectionGUID: ZHqX8Es0SsC3RVfgs1tTNg== X-CSE-MsgGUID: waXhBzDUS2CbO17ipdXqoA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,257,1779174000"; d="scan'208";a="269881790" Received: from unknown (HELO [10.238.2.33]) ([10.238.2.33]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2026 23:02:36 -0700 Message-ID: <64acdf25-de17-42fc-a51c-726485f2b9fb@linux.intel.com> Date: Wed, 2 Sep 2026 14:02:34 +0800 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 13/45] KVM: guest_memfd: Pass mapping type filter to invalidation helper To: ackerleytng@google.com Cc: aik@amd.com, andrew.jones@linux.dev, brauner@kernel.org, chao.p.peng@linux.intel.com, david@kernel.org, jmattson@google.com, jthoughton@google.com, michael.roth@amd.com, oupton@kernel.org, pankaj.gupta@amd.com, qperret@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, shivankg@amd.com, steven.price@arm.com, willy@infradead.org, wyihan@google.com, yan.y.zhao@intel.com, forkloop@google.com, pratyush@kernel.org, suzuki.poulose@arm.com, aneesh.kumar@kernel.org, liam@infradead.org, Paolo Bonzini , Sean Christopherson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jonathan Corbet , Shuah Khan , Shuah Khan , Vishal Annapurve , Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Youngjun Park , Qi Zheng , Shakeel Butt , Kiryl Shutsemau , Baoquan He , Jason Gunthorpe , John Hubbard , Peter Xu , tarunsahu@google.com, Randy Dunlap , Lorenzo Stoakes , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Fuad Tabba , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev References: <20260830-gmem-inplace-conversion-v12-0-85e5fd25252a@google.com> <20260830-gmem-inplace-conversion-v12-13-85e5fd25252a@google.com> Content-Language: en-US From: Binbin Wu In-Reply-To: <20260830-gmem-inplace-conversion-v12-13-85e5fd25252a@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/31/2026 8:25 AM, Ackerley Tng via B4 Relay wrote: > From: Ackerley Tng > > Accept the mapping type filter as a parameter in the invalidation start > helper instead of querying it internally. This allows callers to specify > which mappings (shared, private, or both) should be invalidated. > > In the next patch, the conversion process will use this new parameter to > invalidate mappings only when they're different from the target state of > the conversion, i.e. invalidate only shared mappings on a shared to private > conversion and not both. > > No functional change intended. > > Signed-off-by: Ackerley Tng Reviewed-by: Binbin Wu