From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [RFC v2] misc/xenmicrocode: Upload
 /lib/firmware/<some blob> to the hypervisor
Date: Fri, 30 Jan 2015 16:24:43 -0500
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To: Andrew Cooper <andrew.cooper3@citrix.com>, "Luis R. Rodriguez" <mcgrof@suse.com>
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On 01/30/2015 03:37 PM, Andrew Cooper wrote:

>
> The actions Xen needs to take are:
>
> - Copy the buffer into Xen.
> - Scan the buffer for the correct patch


Why not have the toolstack search for the right patch? Hypervisor will 
verify that it's appropriate but won't have to spend time scanning the 
(potentially large) buffer.

(The logic for scanning the buffer is in the hypervisor code but we 
could move it to a library)

-boris


> - Rendezvous all online cpus in an IPI to apply the patch, and keep the
> processors in until all have completed the patch.
>
>