Patch "ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel" has been added to the 4.5-stable tree

Patch "ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel" has been added to the 4.5-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel

to the 4.5-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     arm-socfpga-fix-secondary-cpu-startup-in-thumb2-kernel.patch
and it can be found in the queue-4.5 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 5616f36713ea77f57ae908bf2fef641364403c9f Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Wed, 20 Apr 2016 13:34:31 +0000
Subject: ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel

From: Sascha Hauer <s.hauer@pengutronix.de>

commit 5616f36713ea77f57ae908bf2fef641364403c9f upstream.

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>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arm/mach-socfpga/headsmp.S |    1 +
 1 file changed, 1 insertion(+)

--- 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.


Patches currently in stable-queue which might be from s.hauer@pengutronix.de are

queue-4.5/arm-socfpga-fix-secondary-cpu-startup-in-thumb2-kernel.patch