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Re: [Xen-devel] [PATCH 7/7] x86/hvm: Drop hvm_{vmx,svm} shorthands
- To: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Fri, 31 Aug 2018 00:18:14 +0100
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- Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>, Brian Woods <brian.woods@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Thu, 30 Aug 2018 23:18:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Openpgp: preference=signencrypt
On 31/08/18 00:14, Boris Ostrovsky wrote:
> On 08/30/2018 07:11 PM, Boris Ostrovsky wrote:
>> On 08/28/2018 01:39 PM, Andrew Cooper wrote:
>>> By making {vmx,svm} in hvm_vcpu into an anonymous union (consistent with
>>> domain side of things), the hvm_{vmx,svm} defines can be dropped, and all
>>> code
>>> refer to the correctly-named fields. This means that the data hierachy is
>>> no
>>> longer obscured from grep/cscope/tags/etc.
>>>
>>> Reformat one comment and switch one bool_t to bool while making changes.
>>>
>>> No functional change.
>>>
>>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>>>
>> Do we still support pre-4.6 gcc?
> Or 4.4.6? I don't remember.
I'm aware of that bug and it is 4.6 iirc.
However, in this case there are no initialisers. The memory starts off
as a zeroed heap page and has a plethora of init() functions call on it
to set things up.
>
> -boris
>
>
>> They have a bug that doesn't allow
>> initializers for anonymous structs/unions. I don't know whether we have
>> any for vmx/svm, but I thought I'd mention this just in case.
>>
>> Other than that, for SVM bits in patches 3,4,6 and 7
>>
>> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Thanks.
~Andrew
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