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Re: [Qemu-devel] [PATCH v2 2/2] ivshmem: use irqfd to interrupt among VM
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From: |
Jan Kiszka |
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Subject: |
Re: [Qemu-devel] [PATCH v2 2/2] ivshmem: use irqfd to interrupt among VMs |
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Date: |
Wed, 05 Dec 2012 09:50:41 +0100 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-12-05 06:34, Cam Macdonell wrote:
>> static void ivshmem_write_config(PCIDevice *pci_dev, uint32_t address,
>> uint32_t val, int len)
>> {
>> + bool is_enabled, was_enabled = msi_enabled(pci_dev);
>> +
>> pci_default_write_config(pci_dev, address, val, len);
>> + is_enabled = msi_enabled(pci_dev);
>
> Problem 1) in my tests is_enabled is always 0, so I don't think the
> irqfds are getting setup
You likely want to call msix_enabled here.
Jan
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