On Thursday 11 December 2014 09:15 PM, Arnd Bergmann wrote:
> On Thursday 11 December 2014 19:27:03 Varad Gautam wrote:
>> I'm getting
>>
>> arch/arm/kernel/efi_phys.S: Assembler messages:
>> arch/arm/kernel/efi_phys.S:42: Error: selected processor does not
>> support ARM mode `isb'
>> arch/arm/kernel/efi_phys.S:50: Error: selected processor does not
>> support ARM mode `isb'
>> make[1]: *** [arch/arm/kernel/efi_phys.o] Error 1
>>
>> when compiling the topic-leg-uefi kernel [1] with EFI_STUB support for
>> omap2plus_defconfig (to run on a BeagleBone Black with AM335x SoC). I've
>> checked that armv7 supports `isb`, and I've tried the kernel.org
>> 4.6.3-nolibc toolchain [2] and the Linaro gcc-arm-none-eabi-4.8 release.
>> The build goes fine without EFI support. I need some help figuring out
>> what's wrong.
>>
> The code should be changed to use the instr_sync macro instead of
> using the isb instruction directly.
>
>       Arnd

Thanks, that did it. Should I send in a fix?

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