Discussion of the VIRTIO specification
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From: David Hildenbrand <david@redhat.com>
To: Cornelia Huck <cohuck@redhat.com>, virtio-comment@lists.oasis-open.org
Cc: Hui Zhu <teawater@gmail.com>,
	Marek Kedzierski <mkedzier@redhat.com>,
	Sebastien Boeuf <sebastien.boeuf@intel.com>,
	Halil Pasic <pasic@linux.ibm.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>,
	Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
	Wei Yang <richard.weiyang@linux.alibaba.com>
Subject: Re: [PATCH RESEND v2 0/5] virtio-mem: VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE and interaction with memory properties
Date: Fri, 24 Sep 2021 12:01:47 +0200	[thread overview]
Message-ID: <843ec36a-e682-017c-2343-7571ac7b3fcb@redhat.com> (raw)
In-Reply-To: <87h7ebe2b9.fsf@redhat.com>

On 23.09.21 17:31, Cornelia Huck wrote:
> On Mon, Sep 20 2021, David Hildenbrand <david@redhat.com> wrote:
> 
>> Looking into supporting virtio-mem
>> a) without a shared zeropage for the memory backing of the device --
>>     not allowing the driver to read unplugged memory
>> b) on architectures with memory properties for RAM (e.g., s390x with
>>     storage keys and storage attributes)
>> requires extension of the spec to handle both cases cleanly and describe
>> the expected semantics.
>>
>> I'll open a github issue soon; in the meantime, I'll work on the actual
>> implementation in QEMU and Linux.
> 
> LGTM, but would like a second opinion.
Thanks Conny! I'll wait for more feedback before I open a github issue / 
request a vote.

-- 
Thanks,

David / dhildenb


  reply	other threads:[~2021-09-24 10:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-20 13:46 [PATCH RESEND v2 0/5] virtio-mem: VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE and interaction with memory properties David Hildenbrand
2021-09-20 13:46 ` [PATCH RESEND v2 1/5] virtio-mem: simplify statements that express unexpected behavior on memory access David Hildenbrand
2021-09-23 11:55   ` [virtio-comment] " Cornelia Huck
2021-09-20 13:46 ` [PATCH RESEND v2 2/5] virtio-mem: rephrase remaining memory access statements David Hildenbrand
2021-09-23 11:56   ` [virtio-comment] " Cornelia Huck
2021-09-20 13:46 ` [virtio-comment] [PATCH RESEND v2 3/5] virtio-mem: document basic memory access to plugged memory blocks David Hildenbrand
2021-09-23 12:02   ` Cornelia Huck
2021-09-20 13:46 ` [PATCH RESEND v2 4/5] virtio-mem: introduce VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE David Hildenbrand
2021-09-23 12:10   ` [virtio-comment] " Cornelia Huck
2021-09-20 13:46 ` [PATCH RESEND v2 5/5] virtio-mem: describe interaction with memory properties David Hildenbrand
2021-09-23 15:29   ` [virtio-comment] " Cornelia Huck
2021-09-23 15:31 ` [virtio-comment] Re: [PATCH RESEND v2 0/5] virtio-mem: VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE and " Cornelia Huck
2021-09-24 10:01   ` David Hildenbrand [this message]
2021-10-06 10:59     ` Cornelia Huck
2021-10-06 11:00       ` David Hildenbrand
2021-10-06 11:09         ` [virtio-comment] " Cornelia Huck
2021-10-06 12:48 ` David Hildenbrand

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