Re: [PATCH] powerpc: fix sys_call_table declaration

[Benjamin Herrenschmidt]

On Thu, 2014-10-02 at 15:41 +0100, Romeo Cane wrote:
> Declaring sys_call_table as a pointer causes the compiler to generate the wrong lookup code in arch_syscall_addr

Care to elaborate ?

Ben.

> Signed-off-by: Romeo Cane <romeo.cane.ext@xxxxxxxxxxx>
> ---
>  arch/powerpc/include/asm/syscall.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
> index b54b2ad..528ba9d 100644
> --- a/arch/powerpc/include/asm/syscall.h
> +++ b/arch/powerpc/include/asm/syscall.h
> @@ -17,7 +17,7 @@
>  
>  /* ftrace syscalls requires exporting the sys_call_table */
>  #ifdef CONFIG_FTRACE_SYSCALLS
> -extern const unsigned long *sys_call_table;
> +extern const unsigned long sys_call_table[];
>  #endif /* CONFIG_FTRACE_SYSCALLS */
>  
>  static inline long syscall_get_nr(struct task_struct *task,


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