On 15.09.2014 19:57, Russell King - ARM Linux wrote:
On Mon, Sep 15, 2014 at 09:34:58AM -0700, Mark Brown wrote:
On Mon, Sep 15, 2014 at 11:57:09AM +0100, Build bot for Mark Brown wrote:
Today's -next got a build failure in ARM allmodconfig due to platsmp.c:
| arch/arm/mach-exynos/platsmp.c:198:31: warning: incorrect type in return expression (different address spaces)
| arch/arm/mach-exynos/platsmp.c:198:31: expected void [noderef] <asn:2>*
| arch/arm/mach-exynos/platsmp.c:198:31: got void *
| arch/arm/mach-exynos/platsmp.c:198:31: warning: incorrect type in return expression (different address spaces)
| arch/arm/mach-exynos/platsmp.c:198:31: expected void [noderef] <asn:2>*
| arch/arm/mach-exynos/platsmp.c:198:31: got void *
| CC arch/arm/mach-exynos/platsmp.o
| /tmp/ccC9fkwF.s: Assembler messages:
| /tmp/ccC9fkwF.s:423: Error: selected processor does not support ARM mode `isb '
| /tmp/ccC9fkwF.s:428: Error: selected processor does not support ARM mode `isb '
| /tmp/ccC9fkwF.s:429: Error: selected processor does not support ARM mode `dsb '
| scripts/Makefile.build:257: recipe for target 'arch/arm/mach-exynos/platsmp.o' failed
Looks like we need a compiler flags override for that file.
Or.. the question is why a .c file is not using the proper macros.
Actually I am the one to blame for build failure (commit: "ARM: EXYNOS:
Move code from hotplug.c to platsmp.c"). The problem is
v7_exit_coherency_flush() which I think does not make sense on ARMv6.
I'll replace the ISB and DSB commands with macros but the real question
is whether the mach-exynos/platsmp.c file and mach-exynos directory
should be compiled when CONFIG_ARCH_EXYNOS is not defined?
Best regards,
Krzysztof
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