Re: [GIT PULL] EFI urgent fixes

[Matt Fleming]

On Fri, 26 Sep, at 01:27:34PM, Paul Bolle wrote:
> 
> This Makefile was changed in the first patch. That became 84be880560fb
> ("Revert "efi/x86: efistub: Move shared dependencies to <asm/efi.h>""),
> which just landed in next-20140926.
> 
> It appears to have introduced a typo, because:
>     CONFIG_EFI_ARM_STUB
> 
> should probably have been:
>     CONFIG_EFI_ARMSTUB

Crap. Thanks for catching that Paul. I'm wondering how this slipped
through because that commit has an explicit Tested-by from Leif.

Hell, even I built an arm64 EFI kernel before sending that commit.

Ohh.. I see why no one caught this. From arch/arm64/Makefile,

  libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/

so libstub will be built for arm64 regardless of the broken logic in
drivers/firmware/efi/Makefile.

Paul, how did you notice the typo? Did you hit an explicit build
failure? It's definitely wrong and I'm trying to figure out whether I
need to add some more testing to my build infrastructure to catch this
kind of problem in the future.

The next question is: should we fix this up at this point in the merge
cycle? It's basically just dead code.

-- 
Matt Fleming, Intel Open Source Technology Center
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