| Message ID | 1461159271-3764-1-git-send-email-s.hauer@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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
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.
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(+)