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Re: [PATCH v1 2/4] xen: arm: make VMAP only support in MMU system
- To: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 2 Aug 2024 14:30:21 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Penny Zheng <penny.zheng@xxxxxxx>, Wei Chen <wei.chen@xxxxxxx>, sstabellini@xxxxxxxxxx, bertrand.marquis@xxxxxxx, michal.orzel@xxxxxxx, Volodymyr_Babchuk@xxxxxxxx, julien@xxxxxxx
- Delivery-date: Fri, 02 Aug 2024 12:30:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 02.08.2024 14:14, Ayan Kumar Halder wrote:> --- a/xen/include/xen/vmap.h
> +++ b/xen/include/xen/vmap.h
> @@ -138,10 +138,16 @@ static inline void iounmap(void __iomem *va)
> /* Pointer to 1 octet past the end of the VMAP_DEFAULT virtual area */
> void *arch_vmap_virt_end(void);
>
> +#ifdef CONFIG_MMU
> /* Initialises the VMAP_DEFAULT virtual range */
> static inline void vm_init(void)
> {
> vm_init_type(VMAP_DEFAULT, (void *)VMAP_VIRT_START,
> arch_vmap_virt_end());
> }
> +#else
> +static inline void vm_init(void)
> +{
> +}
> +#endif
Imo in such a case the #ifdef wants to be put inside the existing function,
avoiding the need for a 2nd instance.
Jan
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