From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 08/17] kvm: arm/arm64: implement kvm_arm_[halt, resume]_guest
Date: Fri, 03 Jul 2015 13:14:15 +0100 [thread overview]
Message-ID: <55967C97.5010502@arm.com> (raw)
In-Reply-To: <55967848.5050204@linaro.org>
On 03/07/15 12:55, Eric Auger wrote:
> Christoffer, Marc,
> On 07/02/2015 03:17 PM, Eric Auger wrote:
>> On halt, the guest is forced to exit and prevented from being
>> re-entered. This is synchronous.
>>
>> Those two operations will be needed for IRQ forwarding setting.
>>
>> Signed-off-by: Eric Auger <eric.auger@linaro.org>
> would you agree to handle this ARM functionality separately from the
> forwarding series?
>
> This includes 2 patch files, that one +
> https://lkml.org/lkml/2015/7/2/288. This functionality is needed for
> forwarding control since when changing the forwarding state we need to
> "freeze" the state of the physical/virtual IRQ to undertake proper
> actions. Stopping the guest makes sure it won't deactivate the virtual
> IRQ while we are doing state change actions.
>
> The forwarding series is quite heterogeneous (VFIO platform driver,
> vgic, irq bypass manager) and I think it would simplify the review process.
>
> Please let me know if you agree. If yes, I will post a separate series.
I don't mind, I trust you to do what's best for these series to be
easily reviewed (if that is at all possible).
The only thing is that this patch implements a feature that will
otherwise be unused, so annotating the functions with __maybe_unused
would avoid warnings.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2015-07-03 12:14 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-02 13:17 [RFC 00/17] ARM IRQ forward control based on IRQ bypass manager Eric Auger
2015-07-02 13:17 ` [RFC 01/17] VFIO: platform: test forwarded state when selecting IRQ handler Eric Auger
2015-07-02 13:17 ` [RFC 02/17] VFIO: platform: single handler using function pointer Eric Auger
2015-07-02 13:17 ` [RFC 03/17] VFIO: Introduce vfio_device_external_ops Eric Auger
2015-07-02 13:17 ` [RFC 04/17] VFIO: pci: initialize vfio_device_external_ops Eric Auger
2015-07-02 13:17 ` [RFC 05/17] VFIO: platform: implement vfio_device_external_ops callbacks Eric Auger
2015-07-02 13:17 ` [RFC 06/17] VFIO: add vfio_external_{mask|is_active|set_automasked} Eric Auger
2015-07-02 13:17 ` [RFC 07/17] KVM: arm: rename pause into power_off Eric Auger
2015-07-02 13:17 ` [RFC 08/17] kvm: arm/arm64: implement kvm_arm_[halt,resume]_guest Eric Auger
2015-07-03 11:55 ` [RFC 08/17] kvm: arm/arm64: implement kvm_arm_[halt, resume]_guest Eric Auger
2015-07-03 12:14 ` Marc Zyngier [this message]
2015-07-02 13:17 ` [RFC 09/17] bypass: IRQ bypass manager proto by Alex Eric Auger
2015-07-03 2:16 ` Wu, Feng
2015-07-03 5:32 ` Eric Auger
2015-07-02 13:17 ` [RFC 10/17] KVM: arm: select IRQ_BYPASS_MANAGER Eric Auger
2015-07-02 13:17 ` [RFC 11/17] VFIO: platform: " Eric Auger
2015-07-02 13:17 ` [RFC 12/17] irq: bypass: Extend skeleton for ARM forwarding control Eric Auger
2015-07-02 13:40 ` Paolo Bonzini
2015-07-03 2:19 ` Wu, Feng
2015-07-03 2:24 ` Wu, Feng
2015-07-03 6:54 ` Eric Auger
2015-07-03 7:02 ` Paolo Bonzini
2015-07-03 13:12 ` Eric Auger
2015-07-03 17:20 ` Paolo Bonzini
2015-07-03 17:23 ` Eric Auger
2015-07-03 2:43 ` Wu, Feng
2015-07-03 6:52 ` Paolo Bonzini
2015-07-03 7:00 ` Wu, Feng
2015-07-03 7:06 ` Paolo Bonzini
2015-07-03 7:16 ` Wu, Feng
2015-07-03 7:08 ` Paolo Bonzini
2015-07-02 13:17 ` [RFC 13/17] KVM: introduce kvm_arch functions for IRQ bypass Eric Auger
2015-07-02 13:41 ` Paolo Bonzini
2015-07-02 13:17 ` [RFC 14/17] KVM: arm/arm64: vgic: forwarding control Eric Auger
2015-07-02 13:17 ` [RFC 15/17] KVM: arm/arm64: implement IRQ bypass consumer functions Eric Auger
2015-07-02 13:17 ` [RFC 16/17] KVM: eventfd: add irq bypass consumer management Eric Auger
2015-07-02 13:42 ` Paolo Bonzini
2015-07-02 13:53 ` Eric Auger
2015-07-06 7:55 ` Wu, Feng
2015-07-06 11:19 ` Eric Auger
2015-07-06 12:17 ` Wu, Feng
2015-07-02 13:17 ` [RFC 17/17] VFIO: platform: add irq bypass producer management Eric Auger
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