linux-kernel - Re: [PATCH v7 0/9] KVM: arm64: Add support for hypercall services selection

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Message-ID: <YnH1f2cXcpdKsA3q@google.com>
Date:   Wed, 4 May 2022 03:39:43 +0000
From:   Oliver Upton <oupton@...gle.com>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Raghavendra Rao Ananta <rananta@...gle.com>,
        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 v7 0/9] KVM: arm64: Add support for hypercall services
 selection

On Tue, May 03, 2022 at 09:33:40PM +0100, Marc Zyngier wrote:
> On Tue, 03 May 2022 19:49:13 +0100,
> Raghavendra Rao Ananta <rananta@...gle.com> wrote:
> > 
> > Hi Marc,
> > 
> > On Tue, May 3, 2022 at 10:24 AM Marc Zyngier <maz@...nel.org> wrote:
> > >
> > > On Tue, 03 May 2022 00:38:44 +0100,
> > > Raghavendra Rao Ananta <rananta@...gle.com> wrote:
> > > >
> > > > Hello,
> > > >
> > > > Continuing the discussion from [1], the series tries to add support
> > > > for the userspace to elect the hypercall services that it wishes
> > > > to expose to the guest, rather than the guest discovering them
> > > > unconditionally. The idea employed by the series was taken from
> > > > [1] as suggested by Marc Z.
> > >
> > > As it took some time to get there, and that there was still a bunch of
> > > things to address, I've taken the liberty to apply my own fixes to the
> > > series.
> > >
> > > Please have a look at [1], and let me know if you're OK with the
> > > result. If you are, I'll merge the series for 5.19.
> > >
> > > Thanks,
> > >
> > >         M.
> > >
> > Thank you for speeding up the process; appreciate it. However, the
> > series's selftest patches have a dependency on Oliver's
> > PSCI_SYSTEM_SUSPEND's selftest patches [1][2]. Can we pull them in
> > too?

Posted, BTW.

http://lore.kernel.org/kvmarm/20220504032446.4133305-1-oupton@google.com

> > 2. Patch-2/9, arm_hypercall.h, clear all the macros in this patch
> > itself instead of doing it in increments (unless there's some reason
> > that I'm missing)?
> 
> Ah, rebasing leftovers, now gone.
> 
> I've pushed an updated branch again, please have a look.

Series looks good with your additions. For the pile:

Reviewed-by: Oliver Upton <oupton@...gle.com>