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  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 21 May 2020 10:24:22 +0200
From:   Paolo Bonzini <>
To:     Xiaoyao Li <>,
        Maxim Levitsky <>,,
        Tao Xu <>
Subject: Re: [PATCH 2/2] kvm/x86: don't expose MSR_IA32_UMWAIT_CONTROL

On 21/05/20 06:33, Xiaoyao Li wrote:
> I remember there is certainly some reason why we don't expose WAITPKG to
> guest by default.

That's a userspace policy decision.  KVM_GET_SUPPORTED_CPUID should
still tell userspace that it's supported.


> Tao, please help clarify it.

Powered by blists - more mailing lists