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	Wed, 20 Apr 2016 12:40:53 -0400
Subject: Re: [PATCH] ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
To: Sascha Hauer <s.hauer@pengutronix.de>
References: <1461159271-3764-1-git-send-email-s.hauer@pengutronix.de>
CC: <linux-arm-kernel@lists.infradead.org>, <kernel@pengutronix.de>,
	<stable@vger.kernel.org>
From: Dinh Nguyen <dinguyen@opensource.altera.com>
Message-ID: <5717ABE4.5010906@opensource.altera.com>
Date: Wed, 20 Apr 2016 11:18:44 -0500
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On 04/20/2016 08:34 AM, Sascha Hauer wrote:
> The secondary CPU starts up in ARM mode. When the kernel is compiled in
> thumb2 mode we have to explicitly compile the secondary startup
> trampoline in ARM mode, otherwise the CPU will go to Nirvana.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> Reported-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: stable@vger.kernel.org
> ---
>  arch/arm/mach-socfpga/headsmp.S | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S
> index 5d94b7a..c160fa3 100644
> --- a/arch/arm/mach-socfpga/headsmp.S
> +++ b/arch/arm/mach-socfpga/headsmp.S
> @@ -13,6 +13,7 @@
>  #include <asm/assembler.h>
>  
>  	.arch	armv7-a
> +	.arm
>  
>  ENTRY(secondary_trampoline)
>  	/* CPU1 will always fetch from 0x0 when it is brought out of reset.
> 

Applied!

Thanks,
Dinh