linux-kernel - Re: [PATCH v3 0/2] KVM: x86: Report actual nent from KVM_GET

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: <168565363778.667891.6228323233552429426.b4-ty@google.com>
Date:   Thu,  1 Jun 2023 18:21:51 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Sean Christopherson <seanjc@...gle.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Takahiro Itazuri <itazur@...zon.com>
Subject: Re: [PATCH v3 0/2] KVM: x86: Report actual nent from KVM_GET_CPUID2

On Fri, 26 May 2023 14:03:38 -0700, Sean Christopherson wrote:
> Essentially v3 of Takahiro's patch.  Update cpuid->nent on a successful
> KVM_GET_CPUID2 so that userspace knows exactly how many entries were
> filled.  Add a testcase to verify KVM's ABI.
> 
> v3:
>  - Don't bother updating cpuid->nent in the error path, the data is never
>    copied to userspace.
>  - Add testcase to cpuid_test
> 
> [...]

Applied to kvm-x86 misc, thanks!

[1/2] KVM: x86: Update number of entries for KVM_GET_CPUID2 on success, not failure
      https://github.com/kvm-x86/linux/commit/ab322c43cce9
[2/2] KVM: selftests: Extend cpuid_test to verify KVM_GET_CPUID2 "nent" updates
      https://github.com/kvm-x86/linux/commit/2c7613131998

--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes