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Re: [PATCH v2 31/40] xen/mpu: disable FIXMAP in MPU system
- To: Penny Zheng <Penny.Zheng@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 13 Jan 2023 11:10:47 +0100
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- Cc: wei.chen@xxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Fri, 13 Jan 2023 10:10:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 13.01.2023 06:29, Penny Zheng wrote:
> --- a/xen/arch/arm/Kconfig
> +++ b/xen/arch/arm/Kconfig
> @@ -13,9 +13,10 @@ config ARM
> def_bool y
> select HAS_ALTERNATIVE if !ARM_V8R
> select HAS_DEVICE_TREE
> + select HAS_FIXMAP if !ARM_V8R
> select HAS_PASSTHROUGH
> select HAS_PDX
> - select HAS_PMAP
> + select HAS_PMAP if !ARM_V8R
> select IOMMU_FORCE_PT_SHARE
> select HAS_VMAP if !ARM_V8R
Thinking about it - wouldn't it make sense to fold HAS_VMAP and HAS_FIXMAP
into a single HAS_MMU?
Jan
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