On Tue, 17 Oct 2017, Dexuan Cui wrote: > > From: Thomas Gleixner [mailto:tglx@xxxxxxxxxxxxx] > > 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
