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Re: [PATCH] SUPPORT.md: clarify support of booting 32-bit Xen on ARMv8
- To: Julien Grall <julien@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Thu, 29 Feb 2024 13:37:58 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Thu, 29 Feb 2024 12:38:16 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi Julien,
On 29/02/2024 13:35, Julien Grall wrote:
>
>
> Hi Michal,
>
> On 29/02/2024 12:13, Michal Orzel wrote:
>> Since commit bd1001db0af1 ("xen/arm: arm32: Allow Xen to boot on
>> unidentified CPUs"), it's been possible to boot 32-bit Xen on ARMv8A CPUs
>> in AArch32 state (assuming HW supports EL2 execution in AArch32). Clarify
>> the support statement and mark it as Tech Preview, as this use case is
>> uncommon and hasn't really been tested/hardened.
>>
>> Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
>> ---
>> SUPPORT.md | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/SUPPORT.md b/SUPPORT.md
>> index a90d1108c9d9..acc61230bb5e 100644
>> --- a/SUPPORT.md
>> +++ b/SUPPORT.md
>> @@ -40,6 +40,7 @@ supported in this document.
>> Status: Supported
> I would consider to use 'Status, Xen in aarch64 mode: Supported' and then...
>
>> Status, Cortex A57 r0p0-r1p1: Supported, not security supported
>> Status, Cortex A77 r0p0-r1p0: Supported, not security supported
>> + Status, Xen in AArch32 mode: Tech Preview
>
> ... move this line closer. What do you think?
That works for me too (+AArch64 instead of aarch64). Shall I respin the patch?
~Michal
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