linux-kernel - Re: [PATCH v9 1/7] KVM: CPUID: Fix IA32_XSS support in CPUID(0xd,i) enumeration

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] [day] [month] [year] [list]

Message-ID: <20200306003808.GA29236@local-michael-cet-test.sh.intel.com>
Date:   Fri, 6 Mar 2020 08:38:08 +0800
From:   Yang Weijiang <weijiang.yang@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Yang Weijiang <weijiang.yang@...el.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, jmattson@...gle.com,
        sean.j.christopherson@...el.com, yu.c.zhang@...ux.intel.com
Subject: Re: [PATCH v9 1/7] KVM: CPUID: Fix IA32_XSS support in CPUID(0xd,i)
 enumeration

On Thu, Mar 05, 2020 at 03:51:17PM +0100, Paolo Bonzini wrote:
> On 27/12/19 03:11, Yang Weijiang wrote:
> > +	u64 (*supported_xss)(void);
> 
> I don't think the new callback is needed.  Anyway I'm rewriting this
> patch on top of the new CPUID feature and will post it shortly.
> 
> Paolo
Yes, it's not necessary. I've removed this in the internal
version, a global variable like that in Sean's patch can serve
the functions.
You may go ahead with the new patch, thanks for review!