linux-kernel - Re: [RFC PATCH 06/16] RISC-V: KVM: Implement KVM_GET_ONE_REG/KVM_SET_ONE

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: <CAAhSdy0O=q3Sfd=xDw5CwiYoGVRy1DtrXsykZsdRUf9OJAsa3Q@mail.gmail.com>
Date:   Tue, 30 Jul 2019 17:46:16 +0530
From:   Anup Patel <anup@...infault.org>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Anup Patel <Anup.Patel@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Radim K <rkrcmar@...hat.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Atish Patra <Atish.Patra@....com>,
        Alistair Francis <Alistair.Francis@....com>,
        Damien Le Moal <Damien.LeMoal@....com>,
        Christoph Hellwig <hch@...radead.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 06/16] RISC-V: KVM: Implement KVM_GET_ONE_REG/KVM_SET_ONE_REG
 ioctls

On Tue, Jul 30, 2019 at 5:40 PM Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> On 30/07/19 14:08, Anup Patel wrote:
> >> Still, I would prefer all the VS CSRs to be accessible via the get/set
> >> reg ioctls.
> > We had implemented VS CSRs access to user-space but then we
> > removed it to keep this series simple and easy to review. We thought
> > of adding it later when we deal with Guest/VM migration.
> >
> > Do you want it to be added as part of this series ?
>
> Yes, please.  It's not enough code to deserve a separate patch, and it
> is useful for debugging.

Sure, I will add it in v2 series.

We have skipped Guest FP ONE_REG interface with same rationale.
We should add that as well. Agree ?

Regards,
Anup