ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
PATCH 1/1 ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
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 <[email protected]>
Reported-by Steffen Trumtrar <[email protected]>
Suggested-by Ard Biesheuvel <[email protected]>
Cc stable at vger.kernel.org
--- arch/arm/mach-socfpga/headsmp.S | 1 + 1 file changed, 1 insertion(+)
arch/arm/mach-socfpga/headsmp.S +1 -0
@@ -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.
Signature · 1 line
2.8.0.rc3
Dinh Nguyen
AppliedPATCH 1/1 ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
Quoted 18 lines · Sascha Hauer
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 <[email protected]>Reported-by Steffen Trumtrar <[email protected]>Suggested-by Ard Biesheuvel <[email protected]>Cc stable at vger.kernel.org--- arch/arm/mach-socfpga/headsmp.S | 1 + 1 file changed, 1 insertion(+)arch/arm/mach-socfpga/headsmp.S +0
-0
arch/arm/mach-socfpga/headsmp.S line 19
Quoted 7 lines
arch/arm/mach-socfpga/headsmp.S +1
-0@@ -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