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Re: [PATCH v2 5/6] arm: Use secure hypervisor timer in MPU system
- To: Harry Ramsey <harry.ramsey@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: "Halder, Ayan Kumar" <ayankuma@xxxxxxx>
- Date: Thu, 8 Jan 2026 18:35:34 +0000
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- Cc: <Luca.Fancellu@xxxxxxx>, Penny Zheng <Penny.Zheng@xxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, "Wei Chen" <wei.chen@xxxxxxx>
- Delivery-date: Thu, 08 Jan 2026 18:35:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi Harry,
On 05/01/2026 11:35, Harry Ramsey wrote:
From: Penny Zheng <Penny.Zheng@xxxxxxx>
As MPU systems only have one secure state, we have to use secure EL2
hypervisor timer for Xen in secure EL2.
Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx>
Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
Signed-off-by: Harry Ramsey <harry.ramsey@xxxxxxx>
Reviewed-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Ayan
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