On Tue, 17 Oct 2017, Dexuan Cui wrote:
> > From: Thomas Gleixner [mailto:t...@linutronix.de]
> > Sent: Tuesday, October 17, 2017 12:55 AM
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -95,7 +95,7 @@ config X86
> > select GENERIC_IRQ_MATRIX_ALLOCATOR if X86_LOCAL_APIC
> > select GENERIC_IRQ_MIGRATION if SMP
> > select GENERIC_IRQ_PROBE
> > - select GENERIC_IRQ_SHOW
> > + select GENERIC_IRQ_RESERVATION_MODE
> > select GENERIC_PENDING_IRQ if SMP
> > select GENERIC_SMP_IDLE_THREAD
> > select GENERIC_STRNCPY_FROM_USER
>
> Hi Thomas,
> It looks you removed GENERIC_IRQ_SHOW by accident?
Indeed. My patch foo today is more than bad....
> I got this build error:
> ...
> LD vmlinux.o
> MODPOST vmlinux.o
> fs/proc/interrupts.o:(.rodata+0x118): undefined reference to `show_interrupts'
> Makefile:1000: recipe for target 'vmlinux' failed
> make: *** [vmlinux] Error 1
>
> Adding GENERIC_IRQ_SHOW back can fix the build failure, and with the
> pachset Hyper-V PCI pass-through can work fine.
Thanks for testing.
tglx
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