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Re: [PATCH V5 14/22] arm/ioreq: Introduce arch specific bits for IOREQ/DM features





On 28/01/2021 14:29, Oleksandr wrote:

Hi Julien


On 28.01.21 15:39, Oleksandr wrote:

On 28.01.21 13:33, Oleksandr wrote:

Hi Julien


On 28.01.21 11:40, Julien Grall wrote:

Hi Julien

Hi Oleksandr,

On 27/01/2021 19:20, Oleksandr wrote:
 >  >>> So I think we may be able to drop the include from asm/hvm/domain.h
(this would avoid to include it everywhere...).

I have tried that, but other CUs use definitions from public/hvm/dm_op.h, for example:

p2m-pt.c: In function 'p2m_type_to_flags':
p2m-pt.c:87:33: error: 'XEN_DMOP_IOREQ_MEM_ACCESS_WRITE' undeclared (first use in this function)
          if ( p2m->ioreq.flags & XEN_DMOP_IOREQ_MEM_ACCESS_WRITE )
                                  ^
So, I would prefer to leave it as is, please let me know if you think otherwise.

AFAICT, there is only 2 places (p2m-pt.c and p2m-ept.c) that requires <public/hvm/dm_op.h> but doesn't directly include it. Folding the diff below in patch #4 should do the job:

ok, will do


Just to clarify, you mentioned about patch #4, but shouldn't we make these changes in patch #9 which actually tries to sort dm related stuff?

or a least in patch #8 which moves the stuff from asm-x86/hvm/domain.h to xen/ioreq.h (including the user of XEN_DMOP_IO_RANGE_PCI),

I looked at the header asm-x86/hvm/domain.h after applying patch #4, there is nothing requiring DMOP from there.

I tried to build it with this series applied up to patch #4 + my diff. It does build without any issue.

Cheers,

--
Julien Grall



 


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