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Re: [Qemu-block] [PATCH] qemu-block: add support HMB with feature comman
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From: |
Minwoo Im |
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Subject: |
Re: [Qemu-block] [PATCH] qemu-block: add support HMB with feature commands. |
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Date: |
Sun, 29 Oct 2017 00:41:33 +0900 |
I'll send a patch only when there is a clear real use case.
Thanks for your reply.
On Mon, Oct 23, 2017 at 11:30 PM, Keith Busch <address@hidden> wrote:
> On Sat, Oct 21, 2017 at 03:54:16PM +0900, Minwoo Im wrote:
>> Add support HMB(Host Memory Block) with feature commands(Get Feature, Set
>> Feature).
>> nvme-4.14 tree supports HMB features.
>> This patch will make nvme controller to return 32MiB preferred size of HMB
>> to host via identify command.
>> Set Feature, Get Feature implemented for HMB.
>>
>> Signed-off-by: Minwoo Im <address@hidden>
>
> Nak; this patch doesn't have a use for host memory. It's just advertising
> the need without ever accessing it.