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From: Avi Kivity <avi@qumranet.com>
To: Amit Shah <amit.shah@qumranet.com>
Cc: chrisw@redhat.com, kvm-devel@lists.sourceforge.net,
	allen.m.kay@intel.com, virtualization@lists.linux-foundation.org,
	gcosta@redhat.com, BENAMI@il.ibm.com
Subject: Re: [PATCH 2/2] KVM: Handle interrupts for PCI passthrough devices
Date: Fri, 02 May 2008 16:16:09 +0300	[thread overview]
Message-ID: <481B1419.8060009@qumranet.com> (raw)
In-Reply-To: <200805021835.47565.amit.shah@qumranet.com>

Amit Shah wrote:
>
>> Seems to me the only choice here is to mask the interrupt at the ioapic
>> level, wait until the guest acks the interrupt, then unmask the interrupt.
>>     
>
> OK; will that create problems if the line is shared?
>
>   

It will not work with shared interrupts (unless all users of the 
interrupt are in the same guest).

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.


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  reply	other threads:[~2008-05-02 13:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-10  8:48 PCI Passthrough support for KVM Amit Shah
2008-04-10  8:48 ` [PATCH 1/2] KVM: Expose get_eoi_gsi() for IRQ acking by PCI passthrough devices Amit Shah
2008-04-10  8:48   ` [PATCH 2/2] KVM: Handle interrupts for " Amit Shah
2008-04-10  8:48     ` [PATCH 1/1] QEMU/KVM: Support for PCI Passthrough Amit Shah
2008-04-13 12:49       ` Dor Laor
2008-04-14  0:31         ` Samuel Masham
2008-04-18  5:39           ` Amit Shah
2008-04-18  8:46             ` [kvm-devel] " Samuel Masham
2008-04-13  8:36     ` [PATCH 2/2] KVM: Handle interrupts for PCI passthrough devices Avi Kivity
2008-04-22 17:28       ` Amit Shah
2008-05-02 10:35         ` Avi Kivity
2008-05-02 13:05           ` Amit Shah
2008-05-02 13:16             ` Avi Kivity [this message]
2008-04-13  8:22   ` [PATCH 1/2] KVM: Expose get_eoi_gsi() for IRQ acking by " Avi Kivity

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