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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 00CDDCF34B2 for ; Wed, 19 Nov 2025 14:41:21 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vLjMf-0007Rr-0I; Wed, 19 Nov 2025 09:40:57 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vLjMa-0007Qp-Je for qemu-devel@nongnu.org; Wed, 19 Nov 2025 09:40:53 -0500 Received: from mgamail.intel.com ([192.198.163.7]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vLjMY-0004jb-EQ for qemu-devel@nongnu.org; Wed, 19 Nov 2025 09:40:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763563250; x=1795099250; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=oMXwx0PydHtSpd9OnbK/M5rqZw9fBWu4Gfmy98aF95s=; b=JezuZ4wTNlHoyojaDX/E/otSU7CoKhSd3sEjyK8K0WM8J0ykNO4Zv6DG 8HvzKfDivZrQ2IdgPC2WAqfuKPtMOfh7vushNbWgmsIlf2554ghTfn3QV Bb+4brHdcggBTjoRoni5N72rHArH/OEbJLguS7128QOzues8P1MjbppX3 p0JtTtwTWVogKPDqIPBs0ukidHltk11hRru7fEvFfrG/AtgeeWTan5guJ uPILv0oarNyv9uakFOBPY2lIaQd0kWZhD9YZxI9znWCZfvWDzJZ4h7gW2 OfGSxSK8+qUEP+CNL7eEYA2B1NUvd1V7KmyyImWSec3IrYpibet4yYnh7 A==; X-CSE-ConnectionGUID: regF+nPsSjGumLbbSQTJBA== X-CSE-MsgGUID: 3DENtuEVTj+6D29AHsZsJw== X-IronPort-AV: E=McAfee;i="6800,10657,11618"; a="91081965" X-IronPort-AV: E=Sophos;i="6.19,315,1754982000"; d="scan'208";a="91081965" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2025 06:40:45 -0800 X-CSE-ConnectionGUID: lOVDX7ElTTK195rQ2ehMVA== X-CSE-MsgGUID: K15QOysqTc2nDwUc/xeoLQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,315,1754982000"; d="scan'208";a="191322467" Received: from xiaoyaol-hp-g830.ccr.corp.intel.com (HELO [10.124.240.78]) ([10.124.240.78]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2025 06:40:42 -0800 Message-ID: <82fd0bb7-c97e-49a6-9967-43f66bda035f@intel.com> Date: Wed, 19 Nov 2025 22:40:39 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/8] kvm: Allow kvm_guest_memfd_supported for non-private use case To: Peter Xu Cc: qemu-devel@nongnu.org, Paolo Bonzini , Fabiano Rosas , Chenyi Qiang , David Hildenbrand , Alexey Kardashevskiy , Juraj Marcin References: <20251023185913.2923322-1-peterx@redhat.com> <20251023185913.2923322-3-peterx@redhat.com> <9614d727-97bf-4a50-be13-6754952bec96@intel.com> Content-Language: en-US From: Xiaoyao Li In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=192.198.163.7; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 11/14/2025 5:08 AM, Peter Xu wrote: > On Fri, Oct 24, 2025 at 10:30:19AM +0800, Xiaoyao Li wrote: >> diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c >> index 68cd33ba9735..73f04eb589ef 100644 >> --- a/accel/stubs/kvm-stub.c >> +++ b/accel/stubs/kvm-stub.c >> @@ -125,3 +125,8 @@ int kvm_create_guest_memfd(uint64_t size, uint64_t >> flags, Error **errp) >> { >> return -ENOSYS; >> } >> + >> +bool kvm_private_memory_attribute_supported(void) >> +{ >> + return false; >> +} > > Hmm, I found that your this patch seems newer than the one you pushed here: > > https://github.com/intel-staging/qemu-tdx/tree/lxy/gmem-mmap-poc > > Do you want to push it once more to make it latest? I rebase it to the latest QMEU master: https://github.com/intel-staging/qemu-tdx/tree/lxy/gmem-mmap-poc-v2 > Thanks, >