From mboxrd@z Thu Jan  1 00:00:00 1970
From: Don Slutz <dslutz@verizon.com>
Subject: Re: [PATCH v4 01/16] xen: Add support for VMware cpuid
	leaves
Date: Fri, 12 Sep 2014 13:50:24 -0400
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To: Boris Ostrovsky <boris.ostrovsky@oracle.com>, Don Slutz <dslutz@verizon.com>, xen-devel@lists.xen.org
Cc: Kevin Tian <kevin.tian@intel.com>, Keir Fraser <keir@xen.org>, Ian Campbell <ian.campbell@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Jun Nakajima <jun.nakajima@intel.com>, Eddie Dong <eddie.dong@intel.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, George Dunlap <George.Dunlap@eu.citrix.com>, Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>, Jan Beulich <jbeulich@suse.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
List-Id: xen-devel@lists.xenproject.org

On 09/12/14 08:37, Boris Ostrovsky wrote:
> On 09/11/2014 02:36 PM, Don Slutz wrote:
>> diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
>> index 10fc2ca..f353f42 100644
>> --- a/xen/arch/x86/traps.c
>> +++ b/xen/arch/x86/traps.c
>> @@ -685,8 +685,12 @@ int cpuid_hypervisor_leaves( uint32_t idx, 
>> uint32_t sub_idx,
>>                  uint32_t *eax, uint32_t *ebx, uint32_t *ecx, 
>> uint32_t *edx)
>>   {
>>       struct domain *d = current->domain;
>> -    /* Optionally shift out of the way of Viridian architectural 
>> leaves. */
>> -    uint32_t base = is_viridian_domain(d) ? 0x40000100 : 0x40000000;
>> +    /*
>> +     * Optionally shift out of the way of Viridian or VMware
>> +     * architectural leaves.
>> +     */
>> +    uint32_t base = is_viridian_domain(d) | is_vmware_domain(d) ?
>
> Given how is_viridian and is_vmware are defined I think '||' is more 
> appropriate.
>

I plan to convert to "||".
    -Don Slutz

> -boris
>
>>
>