Re: [Xen-devel] About arm32 address translation

[Chen Baozi <baozich@xxxxxxxxx>]

On Oct 16, 2013, at 5:25 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:

> On Wed, 2013-10-16 at 17:20 +0800, Chen Baozi wrote:
>> Hi Ian,
>> 
>> I am trying to add supporting dumping 32-bit guest on arm32 to see
>> what happened in my dom0 kernel when booting. It seems
>> gvirt_to_maddr() is not workable under arm32.
> 
> What makes you say that, it should work, or else it is buggy and we've
> not noticed, but it is used in copy to/from user routines so I doubt
> that.

Ok, I'll look into it. The output shows me "Failed to convert stack to physical 
address". In this case, it must be gvirt_to_maddr to return -EFAULT.

Thanks.

Baozi

> 
>> But why has it been implemented both in
>> include/asm-arm/arm{32,64}/page.h?
>> 
>> Thanks.
>> 
>> Baozi
> 
> 
> 


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