f5f9c6ea11
Protected Virtualization (PV) is not a real hardware device: it is a feature of the firmware on s390x that is exposed to userspace via the KVM interface. Move the pv.c/pv.h files to target/s390x/kvm/ to make this clearer. Suggested-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230624200644.23931-1-philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
21 lines
682 B
Meson
21 lines
682 B
Meson
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s390x_ss.add(when: 'CONFIG_KVM', if_true: files(
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'pv.c',
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'kvm.c'
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), if_false: files(
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'stubs.c'
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))
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# Newer kernels on s390 check for an S390_PGSTE program header and
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# enable the pgste page table extensions in that case. This makes
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# the vm.allocate_pgste sysctl unnecessary. We enable this program
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# header if
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# - we build on s390x
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# - we build the system emulation for s390x (qemu-system-s390x)
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# - KVM is enabled
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# - the linker supports --s390-pgste
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if host_machine.cpu_family() == 's390x' and cc.has_link_argument('-Wl,--s390-pgste')
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s390x_system_ss.add(when: 'CONFIG_KVM',
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if_true: declare_dependency(link_args: ['-Wl,--s390-pgste']))
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endif
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