linux-kernel - Re: [PATCH v5 00/18] TDX MMU prep series part 1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Z2U5nR9/w7baSAKp@yzhao56-desk.sh.intel.com>
Date: Fri, 20 Dec 2024 17:32:13 +0800
From: Yan Zhao <yan.y.zhao@...el.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
CC: "kvm@...r.kernel.org" <kvm@...r.kernel.org>, "pbonzini@...hat.com"
	<pbonzini@...hat.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "binbin.wu@...ux.intel.com"
	<binbin.wu@...ux.intel.com>, "Yamahata, Isaku" <isaku.yamahata@...el.com>
Subject: Re: [PATCH v5 00/18] TDX MMU prep series part 1

On Wed, Dec 18, 2024 at 08:34:41AM +0800, Edgecombe, Rick P wrote:
> On Fri, 2024-12-13 at 14:56 -0500, Paolo Bonzini wrote:
> > Hi,
> > 
> > this is the essentially final version of the TDX MMU prep series, focusing
Except the nits, other patches look good to me.

> > on supporting TDX's separation of EPT into a direct part (for shared pages)
> > and a part that is managed by the TDX module and cached (into a "mirror"
> > EPT) by KVM.
> > 
> > The changes from v4 (https://patchew.org/linux/20240718211230.1492011-1-rick.p.edgecombe@intel.com/)
> > are minor:
> 
> Do we want to include these?
> https://lore.kernel.org/kvm/20241115084600.12174-1-yan.y.zhao@intel.com/
This is to have kvm_zap_gfn_range() only zap direct roots, a counterpart of the
kvm_tdp_mmu_unmap_gfn_range() in patch 13.

> https://lore.kernel.org/kvm/20241104084137.29855-1-yan.y.zhao@intel.com/
This is the RCU related fixes to MMU part 1.

> 
> They still apply cleanly.