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Re: [PATCH v3 09/52] xen/arm: use PA == VA for EARLY_UART_VIRTUAL_ADDRESS on MPU systems
- To: Julien Grall <julien@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Penny Zheng <penny.zheng@xxxxxxx>
- Date: Thu, 6 Jul 2023 15:05:51 +0800
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- Cc: Wei Chen <wei.chen@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 06 Jul 2023 07:06:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
Hi Julien
On 2023/7/5 03:25, Julien Grall wrote:
Hi Penny,
On 26/06/2023 04:34, Penny Zheng wrote:
From: Wei Chen <wei.chen@xxxxxxx>
There is no VMSA support on MPU systems, so we can not map early
UART to FIXMAP_CONSOLE. In stead, we can use PA == VA for early
UART on MPU systems.
Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx>
Is this change necessary for the MMU split? If not, I will skip the
review for now.
It is not necessary. I will not include it in next series focusing on
MMU split.
Cheers,
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