linux-kernel - Re: [PATCH v3 2/4] xen: add sysfs node for guest type

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Message-ID: <c037be61-faf5-0ced-175f-d48c11185c61@suse.com>
Date:   Wed, 14 Jun 2017 17:00:01 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org
Cc:     gregkh@...uxfoundation.org
Subject: Re: [PATCH v3 2/4] xen: add sysfs node for guest type

On 14/06/17 16:48, Boris Ostrovsky wrote:
> 
>> diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
>> index 84106f9c456c..d641e9970d5d 100644
>> --- a/drivers/xen/sys-hypervisor.c
>> +++ b/drivers/xen/sys-hypervisor.c
>> @@ -50,6 +50,18 @@ static int __init xen_sysfs_type_init(void)
>>  	return sysfs_create_file(hypervisor_kobj, &type_attr.attr);
>>  }
>>  
>> +static ssize_t guest_type_show(struct hyp_sysfs_attr *attr, char *buffer)
>> +{
>> +	return sprintf(buffer, "%s\n", xen_guest_type);
>> +}
> 
> 
> So I know I gave my R-b for this patch but can't we just key off
> xen_domain_type and not have xen_guest_type at all?

So we'd need to introduce XEN_PVH_DOMAIN and adjust xen_hvm_domain().


Juergen