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Re: [RFC PATCH] xen/kconfig: allow LATE_HWDOM config for ARM
- To: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 18 Dec 2024 10:24:04 +0000
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- Cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 18 Dec 2024 10:24:08 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 17/12/2024 11:47 am, Sergiy Kibrik wrote:
> Allow to build ARM configuration with support for initializing hardware
> domain.
> On ARM it is only possible to start hardware domain in multiboot mode, so
> dom0less support is required. This is reflected by dependency on DOM0LESS_BOOT
> instead of directly depending on ARM config option.
>
> Signed-off-by: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
> ---
> xen/common/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/xen/common/Kconfig b/xen/common/Kconfig
> index 90268d9249..7368ca8208 100644
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> @@ -374,7 +374,7 @@ endchoice
> config LATE_HWDOM
> bool "Dedicated hardware domain"
> default n
> - depends on XSM && X86
> + depends on XSM && (X86 || DOM0LESS_BOOT)
> help
> Allows the creation of a dedicated hardware domain distinct from
> domain 0 that manages devices without needing access to other
To ask a questions not asked elsewhere on this thread.
We are expecting Hyperlaunch to supersede and entirely replace what is
currently x86's idea of split control/hwdom, to this point where this
symbol is even removed.
Has this plan changed?
~Andrew
|
