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SubjectRe: [PATCH] nommu: Enable the strict alignment (CR_A) bit only if ARCH < v6
On 11/29/2012 12:04 PM, Armando VISCONTI wrote:
> This patch keeps disabled the strict alignment CP15 bit for
> all armv6 and armv7 processor without the mmu. This behaviour
> is now same as in the mmu case.
>
> Signed-off-by: Armando Visconti<armando.visconti@st.com>
> ---
> arch/arm/kernel/head-nommu.S | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
> index 278cfc1..2c228a0 100644
> --- a/arch/arm/kernel/head-nommu.S
> +++ b/arch/arm/kernel/head-nommu.S
> @@ -68,7 +68,7 @@ __after_proc_init:
> * CP15 system control register value returned in r0 from
> * the CPU init function.
> */
> -#ifdef CONFIG_ALIGNMENT_TRAP
> +#if defined(CONFIG_ALIGNMENT_TRAP)&& __LINUX_ARM_ARCH__< 6
> orr r0, r0, #CR_A
> #else
> bic r0, r0, #CR_A

Any feedback on this simple patch?

Thx,
Armando




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