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Re: [Qemu-devel] [PATCH v4 11/11] hmat acpi: Implement _HMA method to up


From: Tao Xu
Subject: Re: [Qemu-devel] [PATCH v4 11/11] hmat acpi: Implement _HMA method to update HMAT at runtime
Date: Mon, 17 Jun 2019 15:19:17 +0800
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 6/17/2019 4:07 AM, Igor Mammedov wrote:
On Wed,  8 May 2019 14:17:26 +0800
Tao Xu <address@hidden> wrote:

From: Liu Jingqi <address@hidden>

OSPM evaluates HMAT only during system initialization.
Any changes to the HMAT state at runtime or information
regarding HMAT for hot plug are communicated using _HMA method.

_HMA is an optional object that enables the platform to provide
the OS with updated Heterogeneous Memory Attributes information
at runtime. _HMA provides OSPM with the latest HMAT in entirety
overriding existing HMAT.

it seems that there aren't any user interface to actually introduce
new HMAT data during runtime. If it's so lets drop 10-11/11 for now,
you can add it later when/if you add QMP interface to update/replace
HMAT at runtime.


OK Thank you for your review, the v5 HMAT patches have been sent into QEMU mailing list without the _HMA part. This part I will add QMP interface for updating HMAT later.




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