[PATCH] asm/types.h: All architectures use int-ll64.h in kernelspace

[PATCH] asm/types.h: All architectures use int-ll64.h in kernelspace

[Geert Uytterhoeven]

Now all 64-bit architectures have been converted to int-ll64.h, we can
deprecate int-l64.h in kernelspace:
  - Add a check to prevent new architectures from using int-l64.h in
    kernelspace,
  - Update documentation, as the casts to (unsigned) long long are no longer
    needed.

For backwards compatibility, alpha, ia64, mips, and powerpc still use
int-l64.h in userspace.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 Documentation/printk-formats.txt |    4 ++--
 include/asm-generic/int-l64.h    |   38 +-------------------------------------
 include/asm-generic/types.h      |    3 +--
 3 files changed, 4 insertions(+), 41 deletions(-)

diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 1b5a5dd..b9b8926 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -13,11 +13,11 @@ Raw pointer value SHOULD be printed with %p.
 
 u64 SHOULD be printed with %llu/%llx, (unsigned long long):
 
-	printk("%llu", (unsigned long long)u64_var);
+	printk("%llu", u64_var);
 
 s64 SHOULD be printed with %lld/%llx, (long long):
 
-	printk("%lld", (long long)s64_var);
+	printk("%lld", s64_var);
 
 If <type> is dependent on a config option for its size (e.g., sector_t,
 blkcnt_t, phys_addr_t, resource_size_t) or is architecture-dependent
diff --git a/include/asm-generic/int-l64.h b/include/asm-generic/int-l64.h
index 1ca3efc..f07a500 100644
--- a/include/asm-generic/int-l64.h
+++ b/include/asm-generic/int-l64.h
@@ -31,43 +31,7 @@ typedef unsigned long __u64;
 #endif /* __ASSEMBLY__ */
 
 #ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-
-typedef signed char s8;
-typedef unsigned char u8;
-
-typedef signed short s16;
-typedef unsigned short u16;
-
-typedef signed int s32;
-typedef unsigned int u32;
-
-typedef signed long s64;
-typedef unsigned long u64;
-
-#define S8_C(x)  x
-#define U8_C(x)  x ## U
-#define S16_C(x) x
-#define U16_C(x) x ## U
-#define S32_C(x) x
-#define U32_C(x) x ## U
-#define S64_C(x) x ## L
-#define U64_C(x) x ## UL
-
-#else /* __ASSEMBLY__ */
-
-#define S8_C(x)  x
-#define U8_C(x)  x
-#define S16_C(x) x
-#define U16_C(x) x
-#define S32_C(x) x
-#define U32_C(x) x
-#define S64_C(x) x
-#define U64_C(x) x
-
-#endif /* __ASSEMBLY__ */
-
+#error Please use <asm-generic/int-ll64.h> in kernelspace
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_GENERIC_INT_L64_H */
diff --git a/include/asm-generic/types.h b/include/asm-generic/types.h
index 7a0f69e..a9672ef 100644
--- a/include/asm-generic/types.h
+++ b/include/asm-generic/types.h
@@ -1,8 +1,7 @@
 #ifndef _ASM_GENERIC_TYPES_H
 #define _ASM_GENERIC_TYPES_H
 /*
- * int-ll64 is used practically everywhere now,
- * so use it as a reasonable default.
+ * int-ll64 is used everywhere now.
  */
 #include <asm-generic/int-ll64.h>
 
-- 
1.7.0.4

Re: [PATCH] asm/types.h: All architectures use int-ll64.h in kernelspace

[Randy Dunlap]

On Thu,  9 Jun 2011 21:06:44 +0200 Geert Uytterhoeven wrote:

> Now all 64-bit architectures have been converted to int-ll64.h, we can
> deprecate int-l64.h in kernelspace:
>   - Add a check to prevent new architectures from using int-l64.h in
>     kernelspace,
>   - Update documentation, as the casts to (unsigned) long long are no longer
>     needed.

For the documentation parts:
Acked-by: Randy Dunlap <rdunlap@xenotime.net>

but I'm not sure who should merge it...

> For backwards compatibility, alpha, ia64, mips, and powerpc still use
> int-l64.h in userspace.
> 
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
>  Documentation/printk-formats.txt |    4 ++--
>  include/asm-generic/int-l64.h    |   38 +-------------------------------------
>  include/asm-generic/types.h      |    3 +--
>  3 files changed, 4 insertions(+), 41 deletions(-)
> 
> diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
> index 1b5a5dd..b9b8926 100644
> --- a/Documentation/printk-formats.txt
> +++ b/Documentation/printk-formats.txt
> @@ -13,11 +13,11 @@ Raw pointer value SHOULD be printed with %p.
>  
>  u64 SHOULD be printed with %llu/%llx, (unsigned long long):
>  
> -	printk("%llu", (unsigned long long)u64_var);
> +	printk("%llu", u64_var);
>  
>  s64 SHOULD be printed with %lld/%llx, (long long):
>  
> -	printk("%lld", (long long)s64_var);
> +	printk("%lld", s64_var);
>  
>  If <type> is dependent on a config option for its size (e.g., sector_t,
>  blkcnt_t, phys_addr_t, resource_size_t) or is architecture-dependent
> diff --git a/include/asm-generic/int-l64.h b/include/asm-generic/int-l64.h
> index 1ca3efc..f07a500 100644
> --- a/include/asm-generic/int-l64.h
> +++ b/include/asm-generic/int-l64.h
> @@ -31,43 +31,7 @@ typedef unsigned long __u64;
>  #endif /* __ASSEMBLY__ */
>  
>  #ifdef __KERNEL__
> -
> -#ifndef __ASSEMBLY__
> -
> -typedef signed char s8;
> -typedef unsigned char u8;
> -
> -typedef signed short s16;
> -typedef unsigned short u16;
> -
> -typedef signed int s32;
> -typedef unsigned int u32;
> -
> -typedef signed long s64;
> -typedef unsigned long u64;
> -
> -#define S8_C(x)  x
> -#define U8_C(x)  x ## U
> -#define S16_C(x) x
> -#define U16_C(x) x ## U
> -#define S32_C(x) x
> -#define U32_C(x) x ## U
> -#define S64_C(x) x ## L
> -#define U64_C(x) x ## UL
> -
> -#else /* __ASSEMBLY__ */
> -
> -#define S8_C(x)  x
> -#define U8_C(x)  x
> -#define S16_C(x) x
> -#define U16_C(x) x
> -#define S32_C(x) x
> -#define U32_C(x) x
> -#define S64_C(x) x
> -#define U64_C(x) x
> -
> -#endif /* __ASSEMBLY__ */
> -
> +#error Please use <asm-generic/int-ll64.h> in kernelspace
>  #endif /* __KERNEL__ */
>  
>  #endif /* _ASM_GENERIC_INT_L64_H */
> diff --git a/include/asm-generic/types.h b/include/asm-generic/types.h
> index 7a0f69e..a9672ef 100644
> --- a/include/asm-generic/types.h
> +++ b/include/asm-generic/types.h
> @@ -1,8 +1,7 @@
>  #ifndef _ASM_GENERIC_TYPES_H
>  #define _ASM_GENERIC_TYPES_H
>  /*
> - * int-ll64 is used practically everywhere now,
> - * so use it as a reasonable default.
> + * int-ll64 is used everywhere now.
>   */
>  #include <asm-generic/int-ll64.h>
>  
> -- 


---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***