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Re: [qemu-s390x] [Qemu-devel] [PATCH 04/67] s390x: drop an unused includ


From: Thomas Huth
Subject: Re: [qemu-s390x] [Qemu-devel] [PATCH 04/67] s390x: drop an unused include
Date: Tue, 8 May 2018 15:38:03 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0

On 08.05.2018 15:23, Cornelia Huck wrote:
> On Fri, 4 May 2018 02:24:12 +0200
> Thomas Huth <address@hidden> wrote:
> 
>> On 03.05.2018 21:50, Michael S. Tsirkin wrote:
>>> we just need a struct name, let's add a forward
>>> declaration instead of an include.
>>>
>>> Signed-off-by: Michael S. Tsirkin <address@hidden>
>>> ---
>>>  include/hw/s390x/sclp.h | 3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
>>> index f9db243..6e65150 100644
>>> --- a/include/hw/s390x/sclp.h
>>> +++ b/include/hw/s390x/sclp.h
>>> @@ -16,7 +16,8 @@
>>>  
>>>  #include "hw/sysbus.h"
>>>  #include "hw/qdev.h"
>>> -#include "target/s390x/cpu-qom.h"
>>> +
>>> +typedef struct CPUS390XState CPUS390XState;  
>>
>> IIRC you have to use include/qemu/typedefs.h instead to avoid trouble
>> with older versions of GCC.
> 
> Hm, I'm wondering why we do the typedef in cpu-qom.h, while other
> architectures do it in their cpu.h.

See:

commit ef2974cc270d51959ce90df6b4d4d41635d7a603
Author: David Hildenbrand <address@hidden>
Date:   Wed Sep 13 15:24:02 2017 +0200

    target/s390x: move some s390x typedefs to cpu-qom.h
    
    This allows us to drop inclusion of cpu_models.h in cpu-qom.h, and
    prepares for using cpu-qom.h as a s390 specific version of typedefs.h
    
    Signed-off-by: David Hildenbrand <address@hidden>
    Message-Id: <address@hidden>
    Reviewed-by: Thomas Huth <address@hidden>
    Signed-off-by: Cornelia Huck <address@hidden>

 Thomas





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