From: dinguyen@opensource.altera.com (Dinh Nguyen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
Date: Wed, 20 Apr 2016 11:18:44 -0500 [thread overview]
Message-ID: <5717ABE4.5010906@opensource.altera.com> (raw)
In-Reply-To: <1461159271-3764-1-git-send-email-s.hauer@pengutronix.de>
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 at 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
WARNING: multiple messages have this Message-ID (diff)
From: Dinh Nguyen <dinguyen@opensource.altera.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: <linux-arm-kernel@lists.infradead.org>, <kernel@pengutronix.de>,
<stable@vger.kernel.org>
Subject: Re: [PATCH] ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
Date: Wed, 20 Apr 2016 11:18:44 -0500 [thread overview]
Message-ID: <5717ABE4.5010906@opensource.altera.com> (raw)
In-Reply-To: <1461159271-3764-1-git-send-email-s.hauer@pengutronix.de>
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
next prev parent reply other threads:[~2016-04-20 16:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-20 13:34 [PATCH] ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel Sascha Hauer
2016-04-20 13:34 ` Sascha Hauer
2016-04-20 16:18 ` Dinh Nguyen [this message]
2016-04-20 16:18 ` Dinh Nguyen
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