From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: David Edmondson <dme@dme.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>,
Suleiman Souhlal <suleiman@google.com>,
Joel Fernandes <joelaf@google.com>,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCHv2 2/4] arm64: add guest pvstate support
Date: Fri, 9 Jul 2021 16:52:00 +0900 [thread overview]
Message-ID: <YOgAIOBVhhD+on93@google.com> (raw)
In-Reply-To: <m2v95k2axe.fsf@dme.org>
On (21/07/09 08:39), David Edmondson wrote:
[..]
> > +
> > +static bool has_pv_vcpu_state(void)
> > +{
> > + struct arm_smccc_res res;
> > +
> > + /* To detect the presence of PV time support we require SMCCC 1.1+ */
>
> "PV VCPU state support" rather than "PV time support".
Indeed. Thanks.
[..]
> > +static int pv_vcpu_state_register_hooks(void)
> > +{
> > + int ret;
> > +
> > + ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
> > + "hypervisor/arm/pvstate:starting",
> > + vcpu_state_init,
> > + vcpu_state_release);
> > + if (ret < 0)
> > + pr_warn("Failed to register CPU hooks\n");
>
> Include that it's PV VCPU state hooks?
Ack.
next prev parent reply other threads:[~2021-07-09 7:52 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 4:37 [PATCHv2 0/4] arm64:kvm: teach guest sched that VCPUs can be preempted Sergey Senozhatsky
2021-07-09 4:37 ` [PATCHv2 1/4] arm64: smccc: Add SMCCC pv-vcpu-state function call IDs Sergey Senozhatsky
2021-07-12 14:22 ` Marc Zyngier
2021-07-09 4:37 ` [PATCHv2 2/4] arm64: add guest pvstate support Sergey Senozhatsky
2021-07-09 7:39 ` David Edmondson
2021-07-09 7:52 ` Sergey Senozhatsky [this message]
2021-07-09 18:58 ` Joel Fernandes
2021-07-09 21:53 ` Sergey Senozhatsky
2021-07-11 16:58 ` Joel Fernandes
2021-07-12 15:42 ` Marc Zyngier
2021-07-21 2:05 ` Sergey Senozhatsky
2021-07-21 8:22 ` Marc Zyngier
2021-07-21 8:47 ` Sergey Senozhatsky
2021-07-21 10:16 ` Marc Zyngier
2021-07-09 4:37 ` [PATCHv2 3/4] arm64: do not use dummy vcpu_is_preempted() Sergey Senozhatsky
2021-07-12 15:47 ` Marc Zyngier
2021-07-21 2:06 ` Sergey Senozhatsky
2021-07-09 4:37 ` [PATCHv2 4/4] arm64: add host pv-vcpu-state support Sergey Senozhatsky
2021-07-12 16:24 ` Marc Zyngier
2021-07-20 18:44 ` Joel Fernandes
2021-07-21 8:40 ` Marc Zyngier
2021-07-21 10:38 ` Sergey Senozhatsky
2021-07-21 11:08 ` Marc Zyngier
2021-07-21 1:15 ` Sergey Senozhatsky
2021-07-21 9:10 ` Marc Zyngier
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