* [PATCH] linux/kernel.h: move ALIGN_DOWN() to include/linux/kernel.h
@ 2017-12-21 4:30 Masahiro Yamada
2017-12-21 4:37 ` Masahiro Yamada
0 siblings, 1 reply; 3+ messages in thread
From: Masahiro Yamada @ 2017-12-21 4:30 UTC (permalink / raw)
To: barebox
Linux commit ed067d4a859f ("linux/kernel.h: Add ALIGN_DOWN macro")
moved ALIGN_MACRO to include/linux/kernel.h.
Let's do likewise.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
include/common.h | 2 --
include/linux/kernel.h | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/common.h b/include/common.h
index dd7445e..54c76d4 100644
--- a/include/common.h
+++ b/include/common.h
@@ -93,8 +93,6 @@ extern int (*barebox_main)(void);
void __noreturn start_barebox(void);
void shutdown_barebox(void);
-#define ALIGN_DOWN(x, a) ((x) & ~((typeof(x))(a) - 1))
-
#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
/*
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b4d2f09..ab713f2 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -33,6 +33,7 @@
#define S64_MIN ((s64)(-S64_MAX - 1))
#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
+#define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a))
#define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
--
2.7.4
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] linux/kernel.h: move ALIGN_DOWN() to include/linux/kernel.h
2017-12-21 4:30 [PATCH] linux/kernel.h: move ALIGN_DOWN() to include/linux/kernel.h Masahiro Yamada
@ 2017-12-21 4:37 ` Masahiro Yamada
2018-01-05 14:50 ` Sascha Hauer
0 siblings, 1 reply; 3+ messages in thread
From: Masahiro Yamada @ 2017-12-21 4:37 UTC (permalink / raw)
To: barebox
2017-12-21 13:30 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> Linux commit ed067d4a859f ("linux/kernel.h: Add ALIGN_DOWN macro")
> moved ALIGN_MACRO to include/linux/kernel.h.
This is a typo.
ALIGN_MACRO -> ALIGN_DOWN
> Let's do likewise.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---
>
> include/common.h | 2 --
> include/linux/kernel.h | 1 +
> 2 files changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/include/common.h b/include/common.h
> index dd7445e..54c76d4 100644
> --- a/include/common.h
> +++ b/include/common.h
> @@ -93,8 +93,6 @@ extern int (*barebox_main)(void);
> void __noreturn start_barebox(void);
> void shutdown_barebox(void);
>
> -#define ALIGN_DOWN(x, a) ((x) & ~((typeof(x))(a) - 1))
> -
> #define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
>
> /*
> diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> index b4d2f09..ab713f2 100644
> --- a/include/linux/kernel.h
> +++ b/include/linux/kernel.h
> @@ -33,6 +33,7 @@
> #define S64_MIN ((s64)(-S64_MAX - 1))
>
> #define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
> +#define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a))
> #define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
> #define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
> #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
> --
> 2.7.4
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
--
Best Regards
Masahiro Yamada
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] linux/kernel.h: move ALIGN_DOWN() to include/linux/kernel.h
2017-12-21 4:37 ` Masahiro Yamada
@ 2018-01-05 14:50 ` Sascha Hauer
0 siblings, 0 replies; 3+ messages in thread
From: Sascha Hauer @ 2018-01-05 14:50 UTC (permalink / raw)
To: Masahiro Yamada; +Cc: barebox
On Thu, Dec 21, 2017 at 01:37:46PM +0900, Masahiro Yamada wrote:
> 2017-12-21 13:30 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> > Linux commit ed067d4a859f ("linux/kernel.h: Add ALIGN_DOWN macro")
> > moved ALIGN_MACRO to include/linux/kernel.h.
>
>
> This is a typo.
>
> ALIGN_MACRO -> ALIGN_DOWN
Applied with typo fixed, thanks.
Sascha
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2017-12-21 4:37 ` Masahiro Yamada
2018-01-05 14:50 ` Sascha Hauer
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