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ca9b7e29de
Not all interrupt controllers have a working implementation of message-signalled interrupts; in some cases, the guest may expect MSI to work but it won't due to the buggy or lacking emulation. In QEMU this is represented by the "msi_nonbroken" variable. This patch adds a new configuration symbol enabled whenever the binary contains an interrupt controller that will set "msi_nonbroken". We can then use it to remove devices that cannot be possibly added to the machine, because they require MSI. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
16 lines
300 B
Plaintext
16 lines
300 B
Plaintext
config PCI
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bool
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config PCI_EXPRESS
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bool
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select PCI
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config PCI_DEVICES
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bool
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config MSI_NONBROKEN
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# selected by interrupt controllers that do not support MSI,
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# or support it and have a good implementation. See commit
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# 47d2b0f33c664533b8dbd5cb17faa8e6a01afe1f.
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bool
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