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From: Marc Zyngier <maz@kernel.org>
To: Jason Wang <jasowang@redhat.com>
Cc: Kunkun Jiang <jiangkunkun@huawei.com>,
	dongli.zhang@oracle.com, cohuck@redhat.com, stefanha@redhat.com,
	mst@redhat.com, Oliver Upton <oliver.upton@linux.dev>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Gavin Shan <gshan@redhat.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	"open list:IRQCHIP DRIVERS" <linux-kernel@vger.kernel.org>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	wanghaibin.wang@huawei.com
Subject: Re: [RFC PATCH] KVM: arm/arm64: GICv4: Support shared VLPI
Date: Mon, 04 Dec 2023 08:52:53 +0000	[thread overview]
Message-ID: <86sf4ibb8a.wl-maz@kernel.org> (raw)
In-Reply-To: <CACGkMEt5sapZjpyBSM5oX_=k1AcefEe5D4wtX=HqtHy4AD3j_g@mail.gmail.com>

On Mon, 04 Dec 2023 08:39:00 +0000,
Jason Wang <jasowang@redhat.com> wrote:
> 
> > Honestly, the virtio driver is broken (irrespective of the
> > architecture), and incompatible with the GIC architecture.
> 
> No matter how the driver is written, the host/KVM should be able to
> survive from that.

The host is perfectly fine, thanks for asking. The guest, however, is
in a bad shape.

	M.

-- 
Without deviation from the norm, progress is not possible.

WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Jason Wang <jasowang@redhat.com>
Cc: Kunkun Jiang <jiangkunkun@huawei.com>,
	dongli.zhang@oracle.com, cohuck@redhat.com, stefanha@redhat.com,
	mst@redhat.com, Oliver Upton <oliver.upton@linux.dev>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Gavin Shan <gshan@redhat.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	"open list:IRQCHIP DRIVERS" <linux-kernel@vger.kernel.org>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	wanghaibin.wang@huawei.com
Subject: Re: [RFC PATCH] KVM: arm/arm64: GICv4: Support shared VLPI
Date: Mon, 04 Dec 2023 08:52:53 +0000	[thread overview]
Message-ID: <86sf4ibb8a.wl-maz@kernel.org> (raw)
In-Reply-To: <CACGkMEt5sapZjpyBSM5oX_=k1AcefEe5D4wtX=HqtHy4AD3j_g@mail.gmail.com>

On Mon, 04 Dec 2023 08:39:00 +0000,
Jason Wang <jasowang@redhat.com> wrote:
> 
> > Honestly, the virtio driver is broken (irrespective of the
> > architecture), and incompatible with the GIC architecture.
> 
> No matter how the driver is written, the host/KVM should be able to
> survive from that.

The host is perfectly fine, thanks for asking. The guest, however, is
in a bad shape.

	M.

-- 
Without deviation from the norm, progress is not possible.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-12-04  8:52 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-02 14:35 [RFC PATCH] KVM: arm/arm64: GICv4: Support shared VLPI Kunkun Jiang
2023-11-02 14:35 ` Kunkun Jiang
2023-11-04 10:29 ` Marc Zyngier
2023-11-04 10:29   ` Marc Zyngier
2023-11-06 15:33   ` Kunkun Jiang
     [not found]   ` <1fb8353e-e9c4-2570-c2ca-ec537c18ac4d@huawei.com>
2023-11-06 15:33     ` Marc Zyngier
2023-11-06 15:33       ` Marc Zyngier
2023-11-08  9:45       ` Kunkun Jiang
2023-11-08  9:45         ` Kunkun Jiang
2023-12-02 12:20         ` Marc Zyngier
2023-12-02 12:20           ` Marc Zyngier
2023-12-04  8:39           ` Jason Wang
2023-12-04  8:39             ` Jason Wang
2023-12-04  8:47             ` Jason Wang
2023-12-04  8:47               ` Jason Wang
2023-12-04  9:00               ` Marc Zyngier
2023-12-04  9:00                 ` Marc Zyngier
2023-12-04  9:06                 ` Jason Wang
2023-12-04  9:06                   ` Jason Wang
2023-12-04  8:52             ` Marc Zyngier [this message]
2023-12-04  8:52               ` Marc Zyngier

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