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Re: [Qemu-devel] [RFC][PATCH 17/45] qemu-kvm: Track MSIRoutingCache in K
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From: |
Jan Kiszka |
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Subject: |
Re: [Qemu-devel] [RFC][PATCH 17/45] qemu-kvm: Track MSIRoutingCache in KVM routing table |
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Date: |
Mon, 17 Oct 2011 13:25:28 +0200 |
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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 2011-10-17 13:13, Avi Kivity wrote:
> On 10/17/2011 11:27 AM, Jan Kiszka wrote:
>> Keep a link from the internal KVM routing table to potential MSI routing
>> cache entries. The link is used so far whenever the entry is dropped to
>> invalidate the cache content. It will allow us to build MSI routing
>> entries on demand and flush existing ones on table overflow.
>>
>
> Does this not require a destructor for MSIRoutingCache?
Yes, kvm_msi_cache_invalidate. Cache providers are responsible for
invalidating used caches before freeing them. That also drops the
reference established here.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, (continued)
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, Michael S. Tsirkin, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, Michael S. Tsirkin, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 06/45] msix: Prevent bogus mask updates on MMIO accesses, Michael S. Tsirkin, 2011/10/17
[Qemu-devel] [RFC][PATCH 09/45] msi: Factor out msi_message_from_vector, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 26/45] qemu-kvm: Use g_realloc for irq_routes extension, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 17/45] qemu-kvm: Track MSIRoutingCache in KVM routing table, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 04/45] msi: Invoke msi/msix_reset from PCI core, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 25/45] qemu-kvm: Update MSI cache on kvm_msi_irqfd_set, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 20/45] qemu-kvm: msix: Only invoke msix_handle_mask_update on changes, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 14/45] qemu-kvm: Drop useless kvm_clear_gsi_routes, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 34/45] qemu-kvm: Factor out kvm_device_msi_assign, Jan Kiszka, 2011/10/17
[Qemu-devel] [RFC][PATCH 08/45] Introduce MSIMessage structure, Jan Kiszka, 2011/10/17