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Re: [Xen-devel] [PATCH v2 7/9] xen/arm: rename boot misc region to boot reloc now it has a single purpose



On 09/13/2013 12:40 PM, Ian Campbell wrote:
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>
> ---
>  xen/arch/arm/mm.c            |    4 ++--
>  xen/include/asm-arm/config.h |    7 ++-----
>  2 files changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
> index 86e3207..06670e0 100644
> --- a/xen/arch/arm/mm.c
> +++ b/xen/arch/arm/mm.c
> @@ -128,7 +128,7 @@ static inline void 
> check_memory_layout_alignment_constraints(void) {
>      /* 2MB aligned regions */
>      BUILD_BUG_ON(XEN_VIRT_START & ~SECOND_MASK);
>      BUILD_BUG_ON(FIXMAP_ADDR(0) & ~SECOND_MASK);
> -    BUILD_BUG_ON(BOOT_MISC_VIRT_START & ~SECOND_MASK);
> +    BUILD_BUG_ON(BOOT_RELOC_VIRT_START & ~SECOND_MASK);
>      /* 1GB aligned regions */
>      BUILD_BUG_ON(XENHEAP_VIRT_START & ~FIRST_MASK);
>  #ifdef CONFIG_DOMAIN_PAGE
> @@ -377,7 +377,7 @@ void __init setup_pagetables(unsigned long 
> boot_phys_offset, paddr_t xen_paddr)
>      int i;
>  
>      /* Map the destination in the boot misc area. */
> -    dest_va = BOOT_MISC_VIRT_START;
> +    dest_va = BOOT_RELOC_VIRT_START;
>      pte = mfn_to_xen_entry(xen_paddr >> PAGE_SHIFT);
>      write_pte(xen_second + second_table_offset(dest_va), pte);
>      flush_xen_data_tlb_range_va(dest_va, SECOND_SIZE);
> diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
> index efeb952..9e395c2 100644
> --- a/xen/include/asm-arm/config.h
> +++ b/xen/include/asm-arm/config.h
> @@ -81,10 +81,7 @@
>   *   2M -   4M   Xen text, data, bss
>   *   4M -   6M   Fixmap: special-purpose 4K mapping slots
>   *   6M -   8M   Early boot mapping of FDT
> - *   8M -  10M   Early boot misc (see below)
> - *
> - * The early boot misc area is used:
> - *   - in setup_pagetables() when relocating Xen.
> + *   8M -  10M   Early relocation address (used when relocating Xen)
>   *
>   * ARM32 layout:
>   *   0  -   8M   <COMMON>
> @@ -117,7 +114,7 @@
>  #define XEN_VIRT_START         _AT(vaddr_t,0x00200000)
>  #define FIXMAP_ADDR(n)        (_AT(vaddr_t,0x00400000) + (n) * PAGE_SIZE)
>  #define BOOT_FDT_VIRT_START    _AT(vaddr_t,0x00600000)
> -#define BOOT_MISC_VIRT_START   _AT(vaddr_t,0x00800000)
> +#define BOOT_RELOC_VIRT_START  _AT(vaddr_t,0x00800000)
>  
>  #define HYPERVISOR_VIRT_START  XEN_VIRT_START
>  
> 


-- 
Julien Grall

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