CVS commit: src/sys/arch/alpha

["Jason R Thorpe" <thorpej%netbsd.org@localhost>]

Module Name:    src
Committed By:   thorpej
Date:           Fri Sep 25 03:40:12 UTC 2020

Modified Files:
        src/sys/arch/alpha/alpha: interrupt.c
        src/sys/arch/alpha/common: shared_intr.c
        src/sys/arch/alpha/include: cpu.h intr.h types.h
        src/sys/arch/alpha/jensenio: com_jensenio.c jensenio_intr.c
            jenseniovar.h pckbc_jensenio.c
        src/sys/arch/alpha/pci: dwlpx.c pci_2100_a500.c pci_kn300.c pci_kn8ae.c
            pci_machdep.c sio_pic.c
        src/sys/arch/alpha/tc: tc_3000_300.c tc_3000_500.c tcasic.c

Log Message:
Changes to make interrupt {,dis}establish MP-safe on Alpha:
- Protect all of the system interrupt linkage with the cpu_lock mutex.
- Re-order some of the stores to the SCB vector table to make it safe
  in the face of lockless interrupt dispatch.
- Add a framework for routing interrupts to specific CPUs.  Interrupts
  are still funneled only to the primary CPU, but that will change for
  some systems soon.  Ensure that interrupt handler lists are manipulated
  only on the CPUs that handle that specific interrupt source.  This required
  a re-factor of the alpha_shared_intr_*() family of functions.
- Enable __HAVE_INTR_CONTROL, although interrupt redistribution is still
  a no-op.
- Reduce code duplication in the Jenson direct-SCB interrupt handlers.


To generate a diff of this commit:
cvs rdiff -u -r1.89 -r1.90 src/sys/arch/alpha/alpha/interrupt.c
cvs rdiff -u -r1.24 -r1.25 src/sys/arch/alpha/common/shared_intr.c
cvs rdiff -u -r1.96 -r1.97 src/sys/arch/alpha/include/cpu.h
cvs rdiff -u -r1.80 -r1.81 src/sys/arch/alpha/include/intr.h
cvs rdiff -u -r1.59 -r1.60 src/sys/arch/alpha/include/types.h
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/alpha/jensenio/com_jensenio.c
cvs rdiff -u -r1.12 -r1.13 src/sys/arch/alpha/jensenio/jensenio_intr.c
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/alpha/jensenio/jenseniovar.h
cvs rdiff -u -r1.13 -r1.14 src/sys/arch/alpha/jensenio/pckbc_jensenio.c
cvs rdiff -u -r1.38 -r1.39 src/sys/arch/alpha/pci/dwlpx.c
cvs rdiff -u -r1.13 -r1.14 src/sys/arch/alpha/pci/pci_2100_a500.c
cvs rdiff -u -r1.37 -r1.38 src/sys/arch/alpha/pci/pci_kn300.c
cvs rdiff -u -r1.30 -r1.31 src/sys/arch/alpha/pci/pci_kn8ae.c
cvs rdiff -u -r1.25 -r1.26 src/sys/arch/alpha/pci/pci_machdep.c
cvs rdiff -u -r1.44 -r1.45 src/sys/arch/alpha/pci/sio_pic.c
cvs rdiff -u -r1.36 -r1.37 src/sys/arch/alpha/tc/tc_3000_300.c
cvs rdiff -u -r1.35 -r1.36 src/sys/arch/alpha/tc/tc_3000_500.c
cvs rdiff -u -r1.48 -r1.49 src/sys/arch/alpha/tc/tcasic.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.