From: Auger Eric <eric.auger@redhat.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Jason Cooper <jason@lakedaemon.net>,
kvm@vger.kernel.org, Suzuki K Poulose <suzuki.poulose@arm.com>,
linux-kernel@vger.kernel.org,
Robert Richter <rrichter@marvell.com>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Thomas Gleixner <tglx@linutronix.de>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 19/23] KVM: arm64: GICv4.1: Allow SGIs to switch between HW and SW interrupts
Date: Thu, 19 Mar 2020 21:13:29 +0100 [thread overview]
Message-ID: <9fb8c267-5483-f260-6e37-5e8734b38928@redhat.com> (raw)
In-Reply-To: <877ba4711c6b9456314ea580b9c4718c@kernel.org>
Hi Marc,
On 3/19/20 8:52 PM, Marc Zyngier wrote:
> The assumption here is that we're coming vgic_v4_configure_vsgis(),
> which starts
> by stopping the whole guest. My guess is that it should be safe enough, but
> maybe you are thinking of something else?
I don't have a specific case in mind. Just preferred asking to make
sure. Usually when touching those fields we take the lock (that's also
the case in vgic_debug_show for instance).
Thanks
Eric
next prev parent reply other threads:[~2020-03-19 20:13 UTC|newest]
Thread overview: 114+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-04 20:33 [PATCH v5 00/23] irqchip/gic-v4: GICv4.1 architecture support Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 01/23] irqchip/gic-v3: Use SGIs without active state if offered Marc Zyngier
2020-03-12 6:30 ` Zenghui Yu
2020-03-12 9:28 ` Marc Zyngier
2020-03-12 12:05 ` Marc Zyngier
2020-03-13 1:39 ` Zenghui Yu
2020-03-12 17:16 ` Auger Eric
2020-03-12 17:23 ` Marc Zyngier
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 02/23] irqchip/gic-v4.1: Skip absent CPUs while iterating over redistributors Marc Zyngier
2020-03-16 17:10 ` Auger Eric
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 03/23] irqchip/gic-v4.1: Ensure mutual exclusion between vPE affinity change and RD access Marc Zyngier
2020-03-12 6:56 ` Zenghui Yu
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 04/23] irqchip/gic-v4.1: Wait for completion of redistributor's INVALL operation Marc Zyngier
2020-03-20 14:23 ` Auger Eric
2020-03-04 20:33 ` [PATCH v5 05/23] irqchip/gic-v4.1: Ensure mutual exclusion betwen invalidations on the same RD Marc Zyngier
2020-03-12 7:11 ` Zenghui Yu
2020-03-20 14:23 ` Auger Eric
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 06/23] irqchip/gic-v4.1: Advertise support v4.1 to KVM Marc Zyngier
2020-03-16 17:10 ` Auger Eric
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 07/23] irqchip/gic-v4.1: Map the ITS SGIR register page Marc Zyngier
2020-03-16 17:10 ` Auger Eric
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 08/23] irqchip/gic-v4.1: Plumb skeletal VSGI irqchip Marc Zyngier
2020-03-16 17:10 ` Auger Eric
2020-03-19 10:03 ` Marc Zyngier
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 09/23] irqchip/gic-v4.1: Add initial SGI configuration Marc Zyngier
2020-03-16 17:53 ` Auger Eric
2020-03-17 2:02 ` Zenghui Yu
2020-03-17 8:36 ` Auger Eric
2020-03-19 10:20 ` Marc Zyngier
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 10/23] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks Marc Zyngier
2020-03-16 18:15 ` Auger Eric
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 11/23] irqchip/gic-v4.1: Plumb get/set_irqchip_state " Marc Zyngier
2020-03-12 7:41 ` Zenghui Yu
2020-03-16 21:43 ` Auger Eric
2020-03-19 10:27 ` Marc Zyngier
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 12/23] irqchip/gic-v4.1: Plumb set_vcpu_affinity " Marc Zyngier
2020-03-17 10:35 ` Auger Eric
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 13/23] irqchip/gic-v4.1: Move doorbell management to the GICv4 abstraction layer Marc Zyngier
2020-03-12 8:20 ` Zenghui Yu
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 14/23] irqchip/gic-v4.1: Add VSGI allocation/teardown Marc Zyngier
2020-03-12 8:06 ` Zenghui Yu
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 15/23] irqchip/gic-v4.1: Add VSGI property setup Marc Zyngier
2020-03-12 8:09 ` Zenghui Yu
2020-03-17 10:30 ` Auger Eric
2020-03-19 10:57 ` Marc Zyngier
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 16/23] irqchip/gic-v4.1: Eagerly vmap vPEs Marc Zyngier
2020-03-12 8:12 ` Zenghui Yu
2020-03-17 2:49 ` Zenghui Yu
2020-03-19 10:55 ` Marc Zyngier
2020-03-20 2:31 ` Zenghui Yu
2020-03-29 20:26 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 17/23] KVM: arm64: GICv4.1: Let doorbells be auto-enabled Marc Zyngier
2020-03-12 8:15 ` Zenghui Yu
2020-03-17 11:04 ` Auger Eric
2020-03-04 20:33 ` [PATCH v5 18/23] KVM: arm64: GICv4.1: Add direct injection capability to SGI registers Marc Zyngier
2020-03-18 3:28 ` Zenghui Yu
2020-03-20 8:11 ` Auger Eric
2020-03-20 10:05 ` Marc Zyngier
2020-03-20 10:56 ` Auger Eric
2020-03-04 20:33 ` [PATCH v5 19/23] KVM: arm64: GICv4.1: Allow SGIs to switch between HW and SW interrupts Marc Zyngier
2020-03-19 16:16 ` Auger Eric
2020-03-19 19:52 ` Marc Zyngier
2020-03-19 20:13 ` Auger Eric [this message]
2020-03-20 9:17 ` Marc Zyngier
2020-03-20 4:22 ` Zenghui Yu
2020-03-04 20:33 ` [PATCH v5 20/23] KVM: arm64: GICv4.1: Plumb SGI implementation selection in the distributor Marc Zyngier
2020-03-18 6:34 ` Zenghui Yu
2020-03-19 12:10 ` Marc Zyngier
2020-03-19 20:38 ` Auger Eric
2020-03-20 3:08 ` Zenghui Yu
2020-03-20 7:59 ` Auger Eric
2020-03-20 9:46 ` Marc Zyngier
2020-03-20 11:09 ` Auger Eric
2020-03-20 11:20 ` Marc Zyngier
2020-03-20 3:53 ` Zenghui Yu
2020-03-20 9:01 ` Marc Zyngier
2020-03-23 8:11 ` Zenghui Yu
2020-03-23 8:25 ` Marc Zyngier
2020-03-23 12:40 ` Zenghui Yu
2020-03-04 20:33 ` [PATCH v5 21/23] KVM: arm64: GICv4.1: Reload VLPI configuration on distributor enable/disable Marc Zyngier
2020-03-18 3:17 ` Zenghui Yu
2020-03-19 12:18 ` Marc Zyngier
2020-03-04 20:33 ` [PATCH v5 22/23] KVM: arm64: GICv4.1: Allow non-trapping WFI when using HW SGIs Marc Zyngier
2020-03-20 4:23 ` Zenghui Yu
2020-03-20 8:12 ` Auger Eric
2020-03-04 20:33 ` [PATCH v5 23/23] KVM: arm64: GICv4.1: Expose HW-based SGIs in debugfs Marc Zyngier
2020-03-18 3:19 ` Zenghui Yu
2020-03-19 15:05 ` Auger Eric
2020-03-19 15:21 ` Marc Zyngier
2020-03-19 15:43 ` Auger Eric
2020-03-19 16:16 ` Marc Zyngier
2020-03-19 16:17 ` Auger Eric
2020-03-20 4:38 ` Zenghui Yu
2020-03-20 9:09 ` Marc Zyngier
2020-03-20 11:35 ` Zenghui Yu
2020-03-20 11:46 ` Marc Zyngier
2020-03-20 12:09 ` Zenghui Yu
2020-03-05 3:39 ` [PATCH v5 00/23] irqchip/gic-v4: GICv4.1 architecture support Zenghui Yu
2020-03-09 8:17 ` Zenghui Yu
2020-03-09 8:46 ` Marc Zyngier
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