Re: [PATCH V2] printk/cache: Mark printk_once test variable __read_mostly

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On 30/10/13 23:01, Joe Perches wrote:
> Add #include <linux/cache.h> to define __read_mostly.
> 
> Convert cache.h to use uapi/linux/kernel.h instead
> of linux/kernel.h to avoid recursive #includes.
> 
> Convert the ALIGN macro to __KERNEL_ALIGN.
> 
> printk_once only sets the bool variable tested
> once so mark it __read_mostly.
> 
> Neaten the alignment so it matches the rest of the
> pr_<level>_once #defines too.
> 
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
> V2: Add cache.h which was nearly always used
>     indirectly via #include <some_other_file.h>,
>     generally module.h
>     Update cache.h to avoid recursive #include
> 
>  include/linux/cache.h  |  4 ++--
>  include/linux/printk.h | 19 ++++++++++---------
>  2 files changed, 12 insertions(+), 11 deletions(-)
> 
> diff --git a/include/linux/cache.h b/include/linux/cache.h
> index 4c57065..63a1d97 100644
> --- a/include/linux/cache.h
> +++ b/include/linux/cache.h
> @@ -1,11 +1,11 @@
>  #ifndef __LINUX_CACHE_H
>  #define __LINUX_CACHE_H
>  
> -#include <linux/kernel.h>
> +#include <uapi/linux/kernel.h>
>  #include <asm/cache.h>
>  
>  #ifndef L1_CACHE_ALIGN
> -#define L1_CACHE_ALIGN(x) ALIGN(x, L1_CACHE_BYTES)
> +#define L1_CACHE_ALIGN(x) __KERNEL_ALIGN(x, L1_CACHE_BYTES)

I think that should be __ALIGN_KERNEL (same applies to commit message).

Otherwise this patch looks good to me and builds all Meta defconfigs fine.
Reviewed-by: James Hogan <james.hogan@xxxxxxxxxx>

Thanks
James

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