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Message-Id: <ddfe8a6b2b302bbff5ed638bbe26008434c60a8a.1463648873.git.jslaby@suse.cz> Date: Thu, 19 May 2016 11:07:59 +0200 From: Jiri Slaby <jslaby@...e.cz> To: stable@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Sascha Hauer <s.hauer@...gutronix.de>, Dinh Nguyen <dinguyen@...nsource.altera.com>, Kevin Hilman <khilman@...libre.com>, Jiri Slaby <jslaby@...e.cz> Subject: [PATCH 3.12 37/76] ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel From: Sascha Hauer <s.hauer@...gutronix.de> 3.12-stable review patch. If anyone has any objections, please let me know. =============== 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@...gutronix.de> Reported-by: Steffen Trumtrar <s.trumtrar@...gutronix.de> Suggested-by: Ard Biesheuvel <ard.biesheuvel@...aro.org> Signed-off-by: Dinh Nguyen <dinguyen@...nsource.altera.com> Signed-off-by: Kevin Hilman <khilman@...libre.com> Signed-off-by: Jiri Slaby <jslaby@...e.cz> --- 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 95c115d8b5ee..b143f946bb79 100644 --- a/arch/arm/mach-socfpga/headsmp.S +++ b/arch/arm/mach-socfpga/headsmp.S @@ -11,6 +11,7 @@ #include <linux/init.h> .arch armv7-a + .arm ENTRY(secondary_trampoline) movw r2, #:lower16:cpu1start_addr -- 2.8.2
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