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Re: [PATCH v5 6/7] xen/asm-generic: ifdef inclusion of <asm/mem_access.h>
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 4 Dec 2023 09:46:31 +0100
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 04 Dec 2023 08:46:37 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 01.12.2023 21:48, Oleksii Kurochko wrote:
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> @@ -87,7 +87,7 @@ config MEM_ACCESS_ALWAYS_ON
> config MEM_ACCESS
> def_bool MEM_ACCESS_ALWAYS_ON
> prompt "Memory Access and VM events" if !MEM_ACCESS_ALWAYS_ON
> - depends on HVM
> + depends on HVM && (ARM || X86)
While - unlike for GRANT_TABLE - I view going this route as an option, I
still think it wants doing without explicitly naming architectures here.
There wants to be a HAS_MEM_ACCESS, selected by Arm's Kconfig and by
MEM_ACCESS_ALWAYS_ON (which in turn x86 selects). This could then also
replace the HVM dependency here - x86 ought to select MEM_ACCESS_ALWAYS_ON
only when HVM is enabled.
Jan
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