linux-kernel - Re: [PATCH v9 00/22] KVM RISC-V Support

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Date:   Sat, 26 Oct 2019 08:52:16 +0530
From:   Anup Patel <anup@...infault.org>
To:     Paul Walmsley <paul.walmsley@...ive.com>
Cc:     Anup Patel <Anup.Patel@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim K <rkrcmar@...hat.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alexander Graf <graf@...zon.com>,
        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: [PATCH v9 00/22] KVM RISC-V Support

On Sat, Oct 26, 2019 at 4:40 AM Paul Walmsley <paul.walmsley@...ive.com> wrote:
>
> Hi Anup,
>
> On Wed, 16 Oct 2019, Anup Patel wrote:
>
> > This series adds initial KVM RISC-V support. Currently, we are able to boot
> > RISC-V 64bit Linux Guests with multiple VCPUs.
> >
> > Few key aspects of KVM RISC-V added by this series are:
> > 1. Minimal possible KVM world-switch which touches only GPRs and few CSRs.
> > 2. Full Guest/VM switch is done via vcpu_get/vcpu_put infrastructure.
> > 3. KVM ONE_REG interface for VCPU register access from user-space.
> > 4. PLIC emulation is done in user-space.
> > 5. Timer and IPI emuation is done in-kernel.
> > 6. MMU notifiers supported.
> > 7. FP lazy save/restore supported.
> > 8. SBI v0.1 emulation for KVM Guest available.
> > 9. Forward unhandled SBI calls to KVM userspace.
> > 10. Hugepage support for Guest/VM
>
> Several patches in this series cause 'checkpatch.pl --strict' to flag
> issues.  When you respin this series, could you fix those, please?

I generally run checkpatch.pl every time before sending patches.

I will try checkpatch.pl with --strict parameter as well in v10 series.

Regards,
Anup

>
>
> thanks,
>
> - Paul