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 7E7F0257448; Wed, 22 Oct 2025 05:56:36 +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=1761112598; cv=none; b=LghBTzUS8u8zf0FKwnLFeA7Ig83OdA8WEp5wWnoGbv4hO/LgjMu+HhlFMIaPxKr5ZK5lXA0a4DGc1gII1kE6HfMrjUmV8lV/BD6qsjoCqdV6GUMZUU3ZbGIpx7SRY1G+cDEMxuADRgsVb3SJPH+UgB+74YtwX3G/YUbUeNODcOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761112598; c=relaxed/simple; bh=e0BNSEe8+JWm79ZsctEdZVSTDEu6ZAcAN5FVm7Wus1E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XTRU1FrSkNg+jKeEkDLhTtH6tQF1RUdM03m1aol2GGsuV3TE8mxNm6WgLX/fpnVbJi/D62SMZrGoTooXsN1Wxizegcl7ComKo4HQsRp7Pp8c7oh7mihBokPEZ+Vb1hk9ZcHk63nVGBvCtH3QbcgpPtjo4JHIDzp4okQ0Zuz2Sks= 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=fq9beKtZ; 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="fq9beKtZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761112596; x=1792648596; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=e0BNSEe8+JWm79ZsctEdZVSTDEu6ZAcAN5FVm7Wus1E=; b=fq9beKtZpSZ9xtF+1HtgOxXkuuxjT4aQcwDE1euEyeV7Srf9KEC3+Wkp N2HU5onhiIKNBycmOWo333J71u/xv0N8gUnRtNJokKeVJyn2u9b5JWOrf ULvKNp+Snf9bPgTr3OWDqvyYHcqC5iju7Jx/zzBdGeelzj2gMGSPOuyiT ySstzO4fXUxfPN7+M50NCYJ38POiG4+gc5+rLVt+Uf0P7itDQDwvV0izU YXrXf86y0I/2f9OJccsLMHRs3VavY0uDXlJAxJ93CTcZBVQGz8006BBC8 PJ79/mKqSTUkt+PxuqCH5vQLdHmaFJEGOut9fksw+TVkHc0ihel32Ny9s w==; X-CSE-ConnectionGUID: 8TI7yS9fTI2TcU0c6yuLXA== X-CSE-MsgGUID: zoC3j7yoSE+LiKmEiSu3PA== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="73856210" X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="73856210" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2025 22:56:35 -0700 X-CSE-ConnectionGUID: oEyBARVoRTqxmx9FX15Ezg== X-CSE-MsgGUID: iu37FNdWT/WUX/u/fUlTIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="184184586" Received: from yinghaoj-desk.ccr.corp.intel.com (HELO [10.238.1.225]) ([10.238.1.225]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2025 22:56:28 -0700 Message-ID: <7aa86887-b499-4618-b174-96cb0cd17d24@linux.intel.com> Date: Wed, 22 Oct 2025 13:56:26 +0800 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 05/25] Revert "KVM: x86/tdp_mmu: Add a helper function to walk down the TDP MMU" To: Sean Christopherson Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Paolo Bonzini , "Kirill A. Shutemov" , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, Ira Weiny , Kai Huang , Michael Roth , Yan Zhao , Vishal Annapurve , Rick Edgecombe , Ackerley Tng References: <20251017003244.186495-1-seanjc@google.com> <20251017003244.186495-6-seanjc@google.com> Content-Language: en-US From: Binbin Wu In-Reply-To: <20251017003244.186495-6-seanjc@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/17/2025 8:32 AM, Sean Christopherson wrote: > Remove the helper and exports that were added to allow TDX code to reuse > kvm_tdp_map_page() for its gmem post-populate flow now that a dedicated > TDP MMU API is provided to install a mapping given a gfn+pfn pair. > > This reverts commit 2608f105760115e94a03efd9f12f8fbfd1f9af4b. > > Reviewed-by: Rick Edgecombe > Signed-off-by: Sean Christopherson Reviewed-by: Binbin Wu