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Re: [Xen-devel] [PATCH v2 1/9] x86/HVM: reduce domain.h include dependencies


  • To: Jan Beulich <jbeulich@xxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Wed, 11 Mar 2020 15:32:11 +0000
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  • Cc: Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Paul Durrant <paul@xxxxxxx>, Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Daniel de Graaf <dgdegra@xxxxxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Wed, 11 Mar 2020 15:32:23 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 11/03/2020 15:22, Jan Beulich wrote:
> On 11.03.2020 14:09, Andrew Cooper wrote:
>> On 10/03/2020 15:48, 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>
>>> ---
>>> v2: Also make things build with XSM=y.
>> Looking better, but still got problems.
>>
>> xen_pv_console.c: In function ‘pv_console_init’:
>> xen_pv_console.c:51:37: error: ‘HVM_PARAM_CONSOLE_PFN’ undeclared (first
>> use in this function)
>>      r = xen_hypercall_hvm_get_param(HVM_PARAM_CONSOLE_PFN, &raw_pfn);
>>                                      ^~~~~~~~~~~~~~~~~~~~~
>>
>> and
>>
>> shim.c: In function ‘pv_shim_fixup_e820’:
>> shim.c:148:20: error: ‘HVM_PARAM_STORE_PFN’ undeclared (first use in
>> this function)
>>      MARK_PARAM_RAM(HVM_PARAM_STORE_PFN);
> Oh, so that's an XSM+shim config aiui; Among the sets of what
> I regularly test I have only an XSM one and a shim one. The funs
> of allowing too wide a variety of different configs ... In cases
> like this series here I really don't see how one is supposed to
> cover _all_ possible configs; randconfig builds won't help with
> this unless one would let them run until they've covered all
> possible ones.

This happens to be my default config.

I wouldn't expect to be perfect even under weird combinations, but these
aren't weird, and this is the kind of change that `make allyesconfig` is
intended for.

~Andrew

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