Hi All,

The stable long-term kernel 6.12.17 cannot compile with KVM HV support for 
e5500 PowerPC machines anymore.

Bug report: https://github.com/chzigotzky/kernels/issues/6

Kernel config: 
https://github.com/chzigotzky/kernels/blob/6_12/configs/x5000_defconfig

Error messages:

arch/powerpc/kvm/e500_mmu_host.c: In function 'kvmppc_e500_shadow_map':
arch/powerpc/kvm/e500_mmu_host.c:447:9: error: implicit declaration of function 
'__kvm_faultin_pfn' [-Werror=implicit-function-declaration]
   pfn = __kvm_faultin_pfn(slot, gfn, FOLL_WRITE, NULL, &page);
         ^~~~~~~~~~~~~~~~~
  CC      kernel/notifier.o
arch/powerpc/kvm/e500_mmu_host.c:500:2: error: implicit declaration of function 
'kvm_release_faultin_page'; did you mean 'kvm_read_guest_page'? 
[-Werror=implicit-function-declaration]
  kvm_release_faultin_page(kvm, page, !!ret, writable);

After that, I compiled it without KVM HV support.

Kernel config: 
https://github.com/chzigotzky/kernels/blob/6_12/configs/e5500_defconfig

Please check the error messages.

Thanks,
Christian

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