Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Avi Kivity wrote:
>> 
>>> Zhang, Xiantao wrote:
>>> 
>>>> Avi Kivity wrote:
>>>> 
>>>> 
>>>>> Zhang, Xiantao wrote:
>>>>> 
>>>>> 
>>>>>> From: Zhang Xiantao <[EMAIL PROTECTED]>
>>>>>> Date: Thu, 29 Nov 2007 18:17:13 +0800
>>>>>> Subject: [PATCH] Clearing up the difference of ioapic and iosapic
>>>>>> Since IA64 uses iosapic, we want to merget it with current ioapic
>>>>>> code. This patch should make x86 and IA64 happy.
>>>>>> Signed-off-by: Zhang Xiantao <[EMAIL PROTECTED]> ---
>>>>>>  drivers/kvm/ioapic.c |   26 +++++++++++++-------------
>>>>>>  drivers/kvm/irq.h    |    5 +++--
>>>>>>  drivers/kvm/lapic.c  |   23 ++++++++++++++++++-----
>>>>>>  3 files changed, 34 insertions(+), 20 deletions(-)
>>>>>> 
>>>>>> diff --git a/drivers/kvm/ioapic.c b/drivers/kvm/ioapic.c
>>>>>> index cf1d50b..79c48ec 100644
>>>>>> --- a/drivers/kvm/ioapic.c
>>>>>> +++ b/drivers/kvm/ioapic.c
>>>>>> @@ -36,11 +36,8 @@
>>>>>>  #include <asm/page.h>
>>>>>>  #include <asm/current.h>
>>>>>> -#include <asm/apicdef.h>
>>>>>> -#include <asm/io_apic.h>
>>>>>> 
>>>>>> 
>>>>>> 
>>>>> This will break compilation under certain .configs.
>>>>> 
>>>>> Other than that, the patch is good.
>>>>> 
>>>>> 
>>>> Can we use the compile option CONFIG_X86 to handle it ? Xiantao
>>>> 
>>>> 
>>> Sure.
>>> 
>>> But where does ia64 get its ioapic defines then?  Things like
>>> dest_Fixed, I grepped for them in include/asm-ia64 but didn't find
>>> them. 
>>> 
>>> Maybe an include/asm-ia64/io_apic.h can provide them?
>>> 
>> 
>> In IA64, it uses macros to define them for iosapic side. Seems only
>> io_apic.h should be included for dest_Fixed reference, and apicdef
>> is not necessary here. Now, I defined it in IA64-specific head file,
>> (e.g.) ia64.h. 
>> Here, I don't think we can define io_apic.h under asm-ia64, since the
>> similar definition exists in iosapic.h.  Maybe we can removed the
>> include here, and just define an common macro such kvm_dest_Fixed and
>> kvm_dest_Low_Prio in irq.h to solve it, and make kvm not dependent of
>> kernel's head files here. What's your opinion?
>> 
> 
> Hm...  I guess we can have a drivers/kvm/ioapic.h which will contain
> the definitions for io[s]apic, and drop the dependency on
> asm-x86/io_apic.h. 

Fine. OK, I will update the patch :)

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