kvm-86 fails to compile with "'IOMMU_CACHE' undeclared"

["René Pfeiffer" <lynx@luchs.at>]

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Hello!

I just tried to compile kvm-86 on two test machines and I get the
following error:

[...]
  CC [M]  /usr/src/build/kvm-86/kvm/kernel/x86/iommu.o
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c: In function ‘kvm_iommu_map_pages’:
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:90: error: ‘IOMMU_CACHE’ undeclared (first use in this function)
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:90: error: (Each undeclared identifier is reported only once
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:90: error: for each function it appears in.)
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c: In function ‘kvm_assign_device’:
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:155: error: implicit declaration of function ‘iommu_domain_has_cap’
/usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:156: error: ‘IOMMU_CAP_CACHE_COHERENCY’ undeclared (first use in this function)
make[4]: *** [/usr/src/build/kvm-86/kvm/kernel/x86/iommu.o] Error 1
make[3]: *** [/usr/src/build/kvm-86/kvm/kernel/x86] Error 2
make[2]: *** [_module_/usr/src/build/kvm-86/kvm/kernel] Error 2
make[1]: *** [all] Error 2
make: *** [kvm-kmod] Error 2

Both machines run Debian Lenny with a custom kernel (2.6.29.1 and
2.6.29.3). One machine is Intel-based (Core2Duo), one is AMD-based. Both
compiled earlier versions of kvm just fine. configure was run without
options.

Best,
René.

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