From: Paolo Bonzini <pbonzini@redhat.com>
To: Igor Mammedov <imammedo@redhat.com>
Cc: "Zhu Guihua" <zhugh.fnst@cn.fujitsu.com>,
ehabkost@redhat.com, qemu-devel@nongnu.org,
chen.fan.fnst@cn.fujitsu.com, izumi.taku@jp.fujitsu.com,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [RESEND PATCH v8 1/4] apic: map APIC's MMIO region at each CPU's address space
Date: Fri, 26 Jun 2015 11:05:34 +0200 [thread overview]
Message-ID: <558D15DE.4070804@redhat.com> (raw)
In-Reply-To: <20150626110136.4982ec7f@nial.brq.redhat.com>
On 26/06/2015 11:01, Igor Mammedov wrote:
> > It's used if the userspace LAPIC is. It's not used together with the
> > kernel LAPIC (accesses really are trapped by the kernel).
>
> Isn't this memory region still handle MSI MMIO in case of kernel LAPIC?
> kvm_apic_mem_write() -> kvm_irqchip_send_msi()
I'm not sure if the MSI MMIO area moves together with the APIC base. I
think it doesn't.
Paolo
next prev parent reply other threads:[~2015-06-26 9:05 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-25 2:17 [Qemu-devel] [RESEND PATCH v8 0/4] remove icc bus/bridge Zhu Guihua
2015-06-25 2:17 ` [Qemu-devel] [RESEND PATCH v8 1/4] apic: map APIC's MMIO region at each CPU's address space Zhu Guihua
2015-06-25 16:00 ` Andreas Färber
2015-06-25 16:02 ` Paolo Bonzini
2015-06-25 16:10 ` Andreas Färber
2015-06-25 17:02 ` Paolo Bonzini
2015-06-25 17:08 ` Andreas Färber
2015-06-25 17:27 ` Paolo Bonzini
2015-06-25 17:32 ` Peter Maydell
2015-06-25 17:39 ` Paolo Bonzini
2015-06-26 9:01 ` Igor Mammedov
2015-06-26 9:05 ` Paolo Bonzini [this message]
2015-06-25 2:17 ` [Qemu-devel] [RESEND PATCH v8 2/4] hw: add a wrapper for registering reset handler Zhu Guihua
2015-06-25 16:57 ` Andreas Färber
2015-06-25 17:00 ` Paolo Bonzini
2015-06-25 17:28 ` Andreas Färber
2015-06-26 9:19 ` Igor Mammedov
2015-06-26 10:05 ` Paolo Bonzini
2015-06-30 6:31 ` Zhu Guihua
2015-06-30 9:21 ` Igor Mammedov
2015-06-30 10:50 ` Zhu Guihua
2015-06-30 10:55 ` Peter Maydell
2015-06-30 18:38 ` Eduardo Habkost
2015-06-30 10:24 ` Andreas Färber
2015-06-30 18:30 ` Eduardo Habkost
2015-06-25 2:17 ` [Qemu-devel] [RESEND PATCH v8 3/4] cpu/apic: drop icc bus/bridge Zhu Guihua
2015-06-25 16:44 ` Andreas Färber
2015-06-25 2:17 ` [Qemu-devel] [RESEND PATCH v8 4/4] icc_bus: drop the unused files Zhu Guihua
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