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Re: [PATCH v4 20/24] xen/x86: wrap x86-specific domctl-op with CONFIG_MGMT_HYPERCALLS
- To: Penny Zheng <Penny.Zheng@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 25 Nov 2025 18:00:03 +0100
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- Cc: ray.huang@xxxxxxx, grygorii_strashko@xxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 25 Nov 2025 17:00:19 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 21.11.2025 11:57, Penny Zheng wrote:
> --- a/xen/arch/x86/Kconfig
> +++ b/xen/arch/x86/Kconfig
> @@ -29,7 +29,7 @@ config X86
> select HAS_PCI_MSI
> select HAS_PIRQ
> select HAS_SCHED_GRANULARITY
> - imply HAS_SOFT_RESET
> + select HAS_SOFT_RESET if MGMT_HYPERCALLS
Why would you undo an "imply", when really we should use it more? One of its
purposes is so that you can add "depends on MGMT_HYPERCALLS" there, and it
then won't be auto-enabled if that dependency isn't fulfilled.
> --- a/xen/arch/x86/include/asm/paging.h
> +++ b/xen/arch/x86/include/asm/paging.h
> @@ -55,7 +55,7 @@
> #define PG_translate 0
> #define PG_external 0
> #endif
> -#if defined(CONFIG_PAGING) && !defined(CONFIG_PV_SHIM_EXCLUSIVE)
> +#if defined(CONFIG_PAGING) && !defined(CONFIG_PV_SHIM_EXCLUSIVE) &&
> defined(CONFIG_MGMT_HYPERCALLS)
This line is too long now.
> @@ -299,7 +299,9 @@ hypfs_op do do do
> do do
> #endif
> mca do do - - -
> #if defined(CONFIG_X86) && defined(CONFIG_PAGING) &&
> !defined(CONFIG_PV_SHIM_EXCLUSIVE)
> +#ifdef CONFIG_MGMT_HYPERCALLS
Why not combine with the existing #if?
Jan
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