From mboxrd@z Thu Jan 1 00:00:00 1970 From: armando.visconti@st.com (Armando Visconti) Date: Mon, 3 Dec 2012 17:44:11 +0100 Subject: [PATCH] nommu: Enable the strict alignment (CR_A) bit only if ARCH < v6 In-Reply-To: <1354187042-28568-1-git-send-email-armando.visconti@st.com> References: <1354187042-28568-1-git-send-email-armando.visconti@st.com> Message-ID: <50BCD6DB.2030200@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > 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