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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 10:42:26 +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 09:42:35 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 13.01.2023 06:29, Penny Zheng wrote:
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> @@ -43,6 +43,9 @@ config HAS_EX_TABLE
>  config HAS_FAST_MULTIPLY
>       bool
>  
> +config HAS_FIXMAP
> +     bool

I think it'll end up misleading if this option is not selected by x86
as well. So imo you either add that, or you move the option to an Arm-
specific Kconfig.

Jan



 


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