linux-kernel - Re: [PATCH 0/6] Introduce CET supervisor state support

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <c35ef9a7-433e-4904-93ec-3e6d3deab1c5@intel.com>
Date: Fri, 12 Jul 2024 14:27:33 +0800
From: "Yang, Weijiang" <weijiang.yang@...el.com>
To: Dave Hansen <dave.hansen@...el.com>, <tglx@...utronix.de>,
	<x86@...nel.org>, <seanjc@...gle.com>, <pbonzini@...hat.com>,
	<linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>
CC: <peterz@...radead.org>, <chao.gao@...el.com>,
	<rick.p.edgecombe@...el.com>, <mlevitsk@...hat.com>, <john.allen@....com>
Subject: Re: [PATCH 0/6] Introduce CET supervisor state support

On 7/12/2024 4:58 AM, Dave Hansen wrote:
> On 7/8/24 20:17, Yang, Weijiang wrote:
>> So I'm not sure whether XFEATURE_MASK_KERNEL_DYNAMIC and related changes
>> are worth or not for this series.
>>
>> Could you share your thoughts?
> First of all, I really do appreciate when folks make the effort to _try_
> to draw their own conclusions before asking the maintainers to share
> theirs.  Next time, OK? ;)

Hi, Dave,
Sorry for not doing that and thanks for making the conclusion clear!
I personally prefer applying the whole series so as to eliminates storage space issue and make
guest fpu config on its own settings. But also not sure the changes are worthwhile from kernel's
point of view.