Re: [Xen-devel] [PATCH 1/9] x86/HVM: reduce domain.h include dependencies

[Jan Beulich <jbeulich@xxxxxxxx>]

On 09.03.2020 14:33, Andrew Cooper wrote:
> On 09/03/2020 12:06, Jan Beulich wrote:
>> Drop #include-s not needed by the header itself. Put the ones needed
>> into whichever other files actually need them.
>>
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> Having attempted to compile this myself, you're at a minimum missing
> Flask, viridian, general HVM (because I can't spot any other way dm.c
> wouldn't be compiled), xen guest and shim.

I admit I forgot to try an XSM/Flask build, but I'm pretty puzzled by
the other items you list. In fact before submitting I tried the series
on a plain staging tree to exclude there being dependencies on other
patches I have in my try. (I now realize I also meant to check the
clang build before sending.)

> The vm_event failures I presume is due to a dependency on your singleton
> patches.

As per above, things do build fine for me without these. In fact the
order the patches got created was such that the mem-access and vm-event
ones got added last.

>  OTOH,
> 
>> --- a/xen/arch/x86/msr.c
>> +++ b/xen/arch/x86/msr.c
>> @@ -28,6 +28,8 @@
>>  #include <asm/msr.h>
>>  #include <asm/setup.h>
>>  
>> +#include <public/hvm/params.h>
> 
> What failed to compile here?  I can't spot anything in msr.c which uses
> the params.

#define viridian_feature_mask(d) \
    (has_hvm_params(d) ? (d)->arch.hvm.params[HVM_PARAM_VIRIDIAN] : 0)

#define is_viridian_domain(d) \
    (is_hvm_domain(d) && (viridian_feature_mask(d) & HVMPV_base_freq))

Jan

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