lkml.org 
[lkml]   [2016]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCHv4 05/10] arm64: Use __pa_symbol for kernel symbols
On Tue, Nov 29, 2016 at 10:55:24AM -0800, Laura Abbott wrote:
> --- a/arch/arm64/include/asm/memory.h
> +++ b/arch/arm64/include/asm/memory.h
> @@ -205,6 +205,8 @@ static inline void *phys_to_virt(phys_addr_t x)
> #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
> #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
> #define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys((unsigned long)(x)))
> +#define sym_to_pfn(x) __phys_to_pfn(__pa_symbol(x))
> +#define lm_alias(x) __va(__pa_symbol(x))
[...]
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -76,6 +76,10 @@ extern int mmap_rnd_compat_bits __read_mostly;
> #define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x)))
> #endif
>
> +#ifndef lm_alias
> +#define lm_alias(x) __va(__pa_symbol(x))
> +#endif

You can drop the arm64-specific lm_alias macro as it's the same as the
generic one you introduced in the same patch.

--
Catalin

\
 
 \ /
  Last update: 2016-11-30 18:18    [W:0.212 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site