Subject: Re: [PATCH 1/3] x86: provide an init_mem_mapping hypervisor hook
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
        x86@kernel.org
Cc: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com
References: <20170725095013.2939-1-jgross@suse.com>
 <20170725095013.2939-2-jgross@suse.com>
 <801415f5-5802-e890-eb3c-0ec27ab8412d@oracle.com>
From: Juergen Gross <jgross@suse.com>
Message-ID: <52f3b900-cf1c-53db-d954-9010c6d2ff83@suse.com>
Date: Wed, 26 Jul 2017 09:45:29 +0200
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On 25/07/17 16:09, Boris Ostrovsky wrote:
> On 07/25/2017 05:50 AM, Juergen Gross wrote:
>> Provide a hook in hypervisor_x86 called after setting up initial
>> memory mapping.
>>
>> This is needed e.g. by Xen HVM guests to map the hypervisor shared
>> info page.
> 
> This is not necessarily a problem specific to guests so I wonder whether
> the hook should be part of x86_platform_ops or some other x86 structure.

I'm fine with any solution. I've chosen the hypervisor struct as right
now there seems to be a need for HVM Xen guests only.


Juergen