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Re: [PATCH v2 24/26] xen/domctl: wrap arch-specific domctl-op with CONFIG_MGMT_HYPERCALLS
- To: "Penny, Zheng" <penny.zheng@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 13 Oct 2025 08:41:18 +0200
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- Cc: "Huang, Ray" <Ray.Huang@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, "Orzel, Michal" <Michal.Orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 13 Oct 2025 06:41:21 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 11.10.2025 08:44, Penny, Zheng wrote:
>> -----Original Message-----
>> From: Jan Beulich <jbeulich@xxxxxxxx>
>> Sent: Thursday, September 11, 2025 9:03 PM
>>
>>> --- a/xen/lib/x86/Makefile
>>> +++ b/xen/lib/x86/Makefile
>>> @@ -1,3 +1,3 @@
>>> obj-y += cpuid.o
>>> obj-y += msr.o
>>> -obj-y += policy.o
>>> +obj-$(CONFIG_MGMT_HYPERCALLS) += policy.o
>>
>> Fair parts of cpuid.c also become unreachable. And all of msr.c afaics.
>>
>
> I just found that the functions defined here, as helpers/libraries, are used
> in tools/libs/guest/xg_cpuid_x86.c too. Emmm, to make compiler happy, I still
> need to provide stubs for them when MGMT_HYPERCALLS=n. Or any better
> suggestion?
How does the Makefile change here affect tools/libs/guest/? What would you
need stubs for there?
Jan
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