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The kvm_handle_debug function can return 0 to go back into the guest or return 1 to notify the gdbstub thread and pass control to GDB. Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com> Message-Id: <20200110151344.278471-2-farosas@linux.ibm.com> Tested-by: Leonardo Bras <leonardo@ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>