Re: [RFC][PATCH 4/6] arm, mm: Convert arm to generic tlb

[Catalin Marinas]

On Thu, May 17, 2012 at 10:30:23AM +0100, Catalin Marinas wrote:
> Another minor thing is that on newer ARM processors (Cortex-A15) we
> need the TLB shootdown even on UP systems, so tlb_fast_mode should
> always return 0. Something like below (untested):
> 
> 
> diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
> index 37dbce9..8e79689 100644
> --- a/arch/arm/include/asm/tlb.h
> +++ b/arch/arm/include/asm/tlb.h
> @@ -23,6 +23,10 @@
>  
>  #include <linux/pagemap.h>
>  
> +#ifdef CONFIG_CPU_32v7
> +#define tlb_fast_mode	(0)
> +#endif
> +
>  #include <asm-generic/tlb.h>
>  
>  #else /* !CONFIG_MMU */

This hunk should have been a few lines down for the CONFIG_MMU case.

-- 
Catalin
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/