linux-kernel - Re: [PATCH v4 04/13] KVM: arm64: Capture VM's first run

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: <Yi+DS/BUPMiB+B0a@google.com>
Date:   Mon, 14 Mar 2022 18:02:51 +0000
From:   Oliver Upton <oupton@...gle.com>
To:     Raghavendra Rao Ananta <rananta@...gle.com>
Cc:     Marc Zyngier <maz@...nel.org>, Andrew Jones <drjones@...hat.com>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Peter Shier <pshier@...gle.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Reiji Watanabe <reijiw@...gle.com>,
        Jing Zhang <jingzhangos@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v4 04/13] KVM: arm64: Capture VM's first run

Hi Raghavendra,

On Thu, Feb 24, 2022 at 05:25:50PM +0000, Raghavendra Rao Ananta wrote:
> Capture the first run of the KVM VM, which is basically the
> first KVM_RUN issued for any vCPU. This state of the VM is
> helpful in the upcoming patches to prevent user-space from
> configuring certain VM features, such as the feature bitmap
> exposed by the psuedo-firmware registers, after the VM has
> started running.
> 
> Signed-off-by: Raghavendra Rao Ananta <rananta@...gle.com>

I believe this patch is superseded by commit:

  5177fe91e4cf ("KVM: arm64: Do not change the PMU event filter after a VCPU has run")

on kvmarm/next.

--
Thanks,
Oliver