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Re: [RFC PATCH] arm: introduce kconfig options to disable hypercalls
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 30 Sep 2024 09:15:17 +0200
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- Cc: Stefano Stabellini <stefano.stabellini@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 30 Sep 2024 07:15:27 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 26.09.2024 14:36, Andrew Cooper wrote:
> On 26/09/2024 10:58 am, Sergiy Kibrik wrote:
>> diff --git a/xen/common/Makefile b/xen/common/Makefile
>> index fc52e0857d..ea0557aee5 100644
>> --- a/xen/common/Makefile
>> +++ b/xen/common/Makefile
>> @@ -64,10 +64,14 @@ obj-bin-$(CONFIG_X86) += $(foreach n,decompress bunzip2
>> unxz unlzma lzo unlzo un
>> obj-$(CONFIG_COMPAT) += $(addprefix compat/,domain.o memory.o multicall.o
>> xlat.o)
>>
>> ifneq ($(CONFIG_PV_SHIM_EXCLUSIVE),y)
>> +ifeq ($(CONFIG_DOMCTL),y)
>> obj-y += domctl.o
>> +endif
>> obj-y += monitor.o
>> +ifeq ($(CONFIG_SYSCTL),y)
>> obj-y += sysctl.o
>> endif
>> +endif
>
> This patch is tagged ARM, but as you can see from this bodge, it's
> already used on x86 for SHIM_EXCLUSIVE mode.
>
> (I came very close to insisting that it was done like this originally,
> but alas.)
>
> Please incorporate PV_SHIM_EXCLUSIVE at the Kconfig level, and turn
> these into simple obj-$(...) += foo.o
Which in turn may want first dealing with the inverted sense of
PV_SHIM_EXCLUSIVE
that you've been voicing concern about when used in "depends on". A patch to
deal
with that has been pending for over a year and a half:
https://lists.xen.org/archives/html/xen-devel/2023-03/msg00040.html
Naming there of course is subject to better suggestions.
Jan
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