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SubjectRe: [tip] config: Add 'make kvmconfig'
On 12/26/12 15:32, David Woodhouse wrote:
> On Tue, 2012-12-25 at 22:32 -0800, David Rientjes wrote:
>> This creates quite a few build failures on auto-latest:
>> arch/x86/built-in.o: In function `hpet_setup_msi_irq':
>> hpet.c:(.text+0x34638): undefined reference to `arch_setup_hpet_msi'
>> hpet.c:(.text+0x34651): undefined reference to `destroy_irq'
>> arch/x86/built-in.o: In function `hpet_msi_capability_lookup':
>> hpet.c:(.text+0x347ff): undefined reference to `create_irq_nr'
>> arch/x86/built-in.o:(.data+0xd1c): undefined reference to `native_setup_msi_irqs'
>> arch/x86/built-in.o:(.data+0xd20): undefined reference to `native_teardown_msi_irq'

I reported these build errors in linux-next on Nov. 7, 2011 !!!

> This one is actually caused by commit 3b08ed026 (config: Add 'make
> kvmconfig'), which selects PCI_MSI even on a 32-bit config where it's
> invalid to do so.
> Ew, that commit seems like a *completely* wrong-headed idea. That abuse
> of 'select' is just begging for this kind of breakage. We have other
> ways to merge configs and turn certain options on, without doing it this
> way.

but I didn't diagnose the problem. Thanks for that.

Yes, 'make kvmconfig' takes liberties and shortcuts. :(


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