Il 16/10/2013 18:21, BALATON Zoltan ha scritto: > On Wed, 16 Oct 2013, Paolo Bonzini wrote: >> Il 16/10/2013 11:51, Markus Armbruster ha scritto: >>> Let me try to elaborate, to make sure I understand. >>> >>> Unlike ordinary ISA devices, the i8259 devices need additional wiring, >>> done by code. >>> >>> For instance, board code like pc_q35_init(), pc_piix.c's pc_init1(), >>> mips_malta_init(), ... wire up their IRQ input lines. The slave's IRQ >>> output line is wired to the master's IRQ2 in hw/intc/i8259.c for >>> isa-i8259, and the kernel for kvm-i8259. The master's IRQ output line >>> is wired up by board code (it's complicated). >>> >>> Correct? If yes, I can turn it into a suitable comment. >> >> The wiring of the slave to the master is hardcoded into i8259 code. > > A bit off topic but this reminded me of these patches: > > http://patchwork.ozlabs.org/patch/206753/ > http://patchwork.ozlabs.org/patch/208252/ > > which never got merged. Is there a chance that these fixes get merged > sometimes or is there an explanation why it won't be fixed? As far as I > remember the patches were reviewed and multiple versions were proposed > but at the end no decision was reached on which one to merge and it was > just left uncorrected.
Right, thank you very much. ISTR the unanswered question was what to do about migration, but I need to reread all the threads. Paolo
