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Wei Chen authored
In kvmtool, the terminal has 4 term-devices at most. And these term-devices can connect to serial8250 or virtio console ports. The kvmtool has a loop thread to detect the incoming data on these term-devices and then send the data to guest through serial8250 or virtio console ports. On x86, kvmtool allow to read data from all 4 term-devices. But on ARM, we only support reading data from the first term-devices. The data from the other term-devices will be ignored. Currently, we're adding the kvmtool support to runv (a kind of hyper container) with Hyperhq guys. Here we're using 3 serial ports in guest to communicate with host (Container runtime). On x86, it works fine, but on ARM it could not work. Because we're using terminal 2 to send/receive control message, but terminal 2 is single direction. In this case, we change the kvm__arch_read_term for ARM to allow reading data from all term-devices. Signed-off-by: Wei Chen <Wei.Chen@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
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