From: Julien Grall <julien.grall@linaro.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: julien.grall@citrix.com, jtd@galois.com,
xen-devel@lists.xensource.com, Ian.Campbell@citrix.com
Subject: Re: [PATCH v4 01/10] xen/arm: no need to set HCR_VI when using the vgic to inject irqs
Date: Wed, 19 Mar 2014 13:33:44 +0000 [thread overview]
Message-ID: <53299CB8.8090909@linaro.org> (raw)
In-Reply-To: <1395232325-19226-1-git-send-email-stefano.stabellini@eu.citrix.com>
On 03/19/2014 12:31 PM, Stefano Stabellini wrote:
> HCR_VI forces the guest to resume execution in IRQ mode and can actually
> cause spurious interrupt injections.
> The GIC is capable of injecting interrupts into the guest and causing it
> to switch to IRQ mode automatically, without any need for the hypervisor
> to set HCR_VI manually.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
--
Julien Grall
next prev parent reply other threads:[~2014-03-19 13:33 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 12:31 [PATCH v4 0/10] remove maintenance interrupts Stefano Stabellini
2014-03-19 12:31 ` [PATCH v4 01/10] xen/arm: no need to set HCR_VI when using the vgic to inject irqs Stefano Stabellini
2014-03-19 13:33 ` Julien Grall [this message]
2014-03-21 14:06 ` Ian Campbell
2014-03-19 12:31 ` [PATCH v4 02/10] xen/arm: remove unused virtual parameter from vgic_vcpu_inject_irq Stefano Stabellini
2014-03-19 12:31 ` [PATCH v4 03/10] xen/arm: support HW interrupts, do not request maintenance_interrupts Stefano Stabellini
2014-03-19 13:42 ` Julien Grall
2014-03-19 14:43 ` Stefano Stabellini
2014-03-19 15:11 ` Julien Grall
2014-03-19 15:53 ` Stefano Stabellini
2014-03-19 16:10 ` Julien Grall
2014-03-21 13:04 ` Ian Campbell
2014-03-21 15:55 ` Stefano Stabellini
2014-03-21 16:16 ` Ian Campbell
2014-03-24 12:11 ` Stefano Stabellini
2014-03-24 12:15 ` Ian Campbell
2014-03-19 12:31 ` [PATCH v4 04/10] xen/arm: set GICH_HCR_UIE if all the LRs are in use Stefano Stabellini
2014-03-19 13:49 ` Julien Grall
2014-03-21 13:06 ` Ian Campbell
2014-03-21 16:03 ` Stefano Stabellini
2014-03-21 13:07 ` Ian Campbell
2014-03-21 16:05 ` Stefano Stabellini
2014-03-19 12:32 ` [PATCH v4 05/10] xen/arm: keep track of the GICH_LR used for the irq in struct pending_irq Stefano Stabellini
2014-03-19 13:52 ` Julien Grall
2014-03-19 14:45 ` Stefano Stabellini
2014-03-21 13:11 ` Ian Campbell
2014-03-21 16:19 ` Stefano Stabellini
2014-03-21 16:25 ` Ian Campbell
2014-03-24 12:12 ` Stefano Stabellini
2014-03-19 12:32 ` [PATCH v4 06/10] xen/arm: s/gic_set_guest_irq/gic_raise_guest_irq Stefano Stabellini
2014-03-19 13:53 ` Julien Grall
2014-03-21 13:12 ` Ian Campbell
2014-03-21 16:20 ` Stefano Stabellini
2014-03-21 16:26 ` Ian Campbell
2014-03-19 12:32 ` [PATCH v4 07/10] xen/arm: call gic_clear_lrs on entry to the hypervisor Stefano Stabellini
2014-03-19 13:56 ` Julien Grall
2014-03-21 13:14 ` Ian Campbell
2014-03-21 16:34 ` Stefano Stabellini
2014-03-21 16:39 ` Ian Campbell
2014-03-24 12:24 ` Stefano Stabellini
2014-03-19 12:32 ` [PATCH v4 08/10] xen/arm: second irq injection while the first irq is still inflight Stefano Stabellini
2014-03-21 13:22 ` Ian Campbell
2014-03-21 16:46 ` Stefano Stabellini
2014-03-21 17:04 ` Ian Campbell
2014-03-24 12:54 ` Stefano Stabellini
2014-03-24 12:57 ` Ian Campbell
2014-03-24 16:41 ` Stefano Stabellini
2014-03-25 10:09 ` Ian Campbell
2014-03-19 12:32 ` [PATCH v4 09/10] xen/arm: don't protect GICH and lr_queue accesses with gic.lock Stefano Stabellini
2014-03-21 13:31 ` Ian Campbell
2014-03-21 17:07 ` Stefano Stabellini
2014-03-19 12:32 ` [PATCH v4 10/10] xen/arm: gic_events_need_delivery and irq priorities Stefano Stabellini
2014-03-19 14:00 ` Julien Grall
2014-03-20 11:03 ` Ian Campbell
2014-03-20 15:10 ` Julien Grall
2014-03-20 15:14 ` Ian Campbell
2014-03-21 13:42 ` Ian Campbell
2014-03-24 12:00 ` Stefano Stabellini
2014-03-24 12:05 ` Ian Campbell
2014-03-24 13:06 ` Stefano Stabellini
2014-03-24 16:06 ` Stefano Stabellini
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