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Date: Mon, 13 Jun 2016 19:36:37 +0100 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Steffen Trumtrar" <s.trumtrar@...gutronix.de>, "Sascha Hauer" <s.hauer@...gutronix.de>, "Ard Biesheuvel" <ard.biesheuvel@...aro.org>, "Dinh Nguyen" <dinguyen@...nsource.altera.com>, "Kevin Hilman" <khilman@...libre.com> Subject: [PATCH 3.16 055/114] ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel 3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Sascha Hauer <s.hauer@...gutronix.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@...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: Ben Hutchings <ben@...adent.org.uk> --- 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 @@ -11,6 +11,7 @@ #include <linux/init.h> .arch armv7-a + .arm ENTRY(secondary_trampoline) movw r2, #:lower16:cpu1start_addr
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