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From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexey Kardashevskiy <aik@ozlabs.ru>, qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alexander Graf <agraf@suse.de>,
	David Gibson <david@gibson.dropbear.id.au>,
	Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [Qemu-devel] [PATCH qemu v16 04/19] vmstate: Define VARRAY with VMS_ALLOC
Date: Wed, 1 Jun 2016 10:11:05 +0200	[thread overview]
Message-ID: <78ea7462-1363-786c-d522-e6493886a78e@redhat.com> (raw)
In-Reply-To: <caec2c1f-fc65-82bb-4e3d-510ca78fc57d@ozlabs.ru>



On 01/06/2016 04:29, Alexey Kardashevskiy wrote:
> On 27/05/16 17:54, Alexey Kardashevskiy wrote:
>> On 04/05/16 16:52, Alexey Kardashevskiy wrote:
>>> This allows dynamic allocation for migrating arrays.
>>>
>>> Already existing VMSTATE_VARRAY_UINT32 requires an array to be
>>> pre-allocated, however there are cases when the size is not known in
>>> advance and there is no real need to enforce it.
>>>
>>> This defines another variant of VMSTATE_VARRAY_UINT32 with WMS_ALLOC
>>> flag which tells the receiving side to allocate memory for the array
>>> before receiving the data.
>>>
>>> The first user of it is a dynamic DMA window which existence and size
>>> are totally dynamic.
>>>
>>> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
>>> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
>>> Reviewed-by: Thomas Huth <thuth@redhat.com>
>>
>>
>> In what tree is this going to go? pseries? Or migration?
> 
> Anyone?

Go ahead, include it.

Paolo

  reply	other threads:[~2016-06-01  8:11 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-04  6:52 [Qemu-devel] [PATCH qemu v16 00/19] spapr: vfio: Enable Dynamic DMA windows (DDW) Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 01/19] vfio: Delay DMA address space listener release Alexey Kardashevskiy
2016-05-05 22:39   ` Alex Williamson
2016-05-13  7:16     ` Alexey Kardashevskiy
2016-05-13 22:24       ` Alex Williamson
2016-05-25  6:34         ` David Gibson
2016-05-25 13:59           ` Alex Williamson
2016-05-26  1:00             ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 02/19] memory: Call region_del() callbacks on memory listener unregistering Alexey Kardashevskiy
2016-05-05 22:45   ` Alex Williamson
2016-05-26  1:48     ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 03/19] memory: Fix IOMMU replay base address Alexey Kardashevskiy
2016-05-26  1:50   ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 04/19] vmstate: Define VARRAY with VMS_ALLOC Alexey Kardashevskiy
2016-05-27  7:54   ` Alexey Kardashevskiy
2016-06-01  2:29     ` Alexey Kardashevskiy
2016-06-01  8:11       ` Paolo Bonzini [this message]
2016-06-02  0:43         ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 05/19] vfio: Check that IOMMU MR translates to system address space Alexey Kardashevskiy
2016-05-26  1:51   ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 06/19] spapr_pci: Use correct DMA LIOBN when composing the device tree Alexey Kardashevskiy
2016-05-26  3:17   ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 07/19] spapr_iommu: Move table allocation to helpers Alexey Kardashevskiy
2016-05-26  3:32   ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 08/19] spapr_iommu: Introduce "enabled" state for TCE table Alexey Kardashevskiy
2016-05-26  3:39   ` David Gibson
2016-05-27  8:01     ` Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 09/19] spapr_iommu: Finish renaming vfio_accel to need_vfio Alexey Kardashevskiy
2016-05-26  3:18   ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 10/19] spapr_iommu: Migrate full state Alexey Kardashevskiy
2016-05-26  4:01   ` David Gibson
2016-05-31  8:19     ` Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 11/19] spapr_iommu: Add root memory region Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 12/19] spapr_pci: Reset DMA config on PHB reset Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 13/19] memory: Add reporting of supported page sizes Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 14/19] vfio: spapr: Add DMA memory preregistering (SPAPR IOMMU v2) Alexey Kardashevskiy
2016-05-13 22:25   ` Alex Williamson
2016-05-16  1:10     ` Alexey Kardashevskiy
2016-05-16 20:20       ` Alex Williamson
2016-05-26  4:53         ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 15/19] spapr_pci: Add and export DMA resetting helper Alexey Kardashevskiy
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 16/19] vfio: Add host side DMA window capabilities Alexey Kardashevskiy
2016-05-13 22:25   ` Alex Williamson
2016-05-27  0:36     ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 17/19] spapr_iommu, vfio, memory: Notify IOMMU about starting/stopping being used by VFIO Alexey Kardashevskiy
2016-05-13 22:26   ` Alex Williamson
2016-05-16  8:35     ` Alexey Kardashevskiy
2016-05-16 20:13       ` Alex Williamson
2016-05-20  8:04         ` [Qemu-devel] [RFC PATCH qemu] spapr_iommu, vfio, memory: Notify IOMMU about starting/stopping listening Alexey Kardashevskiy
2016-05-20 15:19           ` Alex Williamson
2016-05-27  0:43           ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 18/19] vfio/spapr: Create DMA window dynamically (SPAPR IOMMU v2) Alexey Kardashevskiy
2016-05-13 22:26   ` Alex Williamson
2016-05-16  4:52     ` Alexey Kardashevskiy
2016-05-16 20:20       ` Alex Williamson
2016-05-27  0:50         ` David Gibson
2016-05-27  3:49         ` Alexey Kardashevskiy
2016-05-27  4:05           ` David Gibson
2016-05-04  6:52 ` [Qemu-devel] [PATCH qemu v16 19/19] spapr_pci/spapr_pci_vfio: Support Dynamic DMA Windows (DDW) Alexey Kardashevskiy
2016-05-13  8:41   ` Bharata B Rao
2016-05-13  8:49     ` Bharata B Rao
2016-05-16  6:25     ` Alexey Kardashevskiy
2016-05-17  5:32       ` Bharata B Rao
2016-05-27  4:44         ` David Gibson
2016-05-27  5:49           ` Bharata B Rao
2016-06-01  3:32             ` Bharata B Rao
2016-05-27  4:42     ` David Gibson
2016-05-13  4:54 ` [Qemu-devel] [PATCH qemu v16 00/19] spapr: vfio: Enable Dynamic DMA windows (DDW) Alexey Kardashevskiy
2016-05-13  5:36   ` Alex Williamson

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