* Arnd Bergmann <a...@arndb.de> [130121 09:23]: > In a multiplatform kernel, one can enable mach-mvebu > together with one or more ARMv6 platforms, which leads > to all files being built for v6. The coherency_ll.S > uses the "dsb" instruction that is only available for > v7, causing a build error in this case. Since the > file is only used on v7 based machines, it is safe > to build it using an ".arch armv7-a" statement. > > Without this patch, building allyesconfig results in: > > arch/arm/mach-mvebu/coherency_ll.S: Assembler messages: > arch/arm/mach-mvebu/coherency_ll.S:45: Error: selected processor does not > support ARM mode `dsb'
This should be already fixed by 72533b (arm: mvebu: Fix compile for multiplatform when ARMv6 is selected) in arm-soc fixes branch. Regards, Tony > Signed-off-by: Arnd Bergmann <a...@arndb.de> > Cc: Jason Cooper <ja...@lakedaemon.net> > Cc: Andrew Lunn <and...@lunn.ch> > Cc: Gregory Clement <gregory.clem...@free-electrons.com> > --- > arch/arm/mach-mvebu/coherency_ll.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/mach-mvebu/coherency_ll.S > b/arch/arm/mach-mvebu/coherency_ll.S > index 53e8391..7648bda 100644 > --- a/arch/arm/mach-mvebu/coherency_ll.S > +++ b/arch/arm/mach-mvebu/coherency_ll.S > @@ -25,6 +25,7 @@ > * r0: Coherency fabric base register address > * r1: HW CPU id > */ > + .arch armv7-a > ENTRY(ll_set_cpu_coherent) > /* Create bit by cpu index */ > mov r3, #(1 << 24) > -- > 1.7.10.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
