be locked before it can be marked as `active' on a processor.
- Require that pmaps other than the kernel pmap be locked when they
are passed to pmap_tlb_shootdown(). This, combined with the locking
protocol tweak, allow us to get a consistent view of `activeness' of
a pmap, which means we can optmize away a lot of TLB shootdown traffic
for user pmaps.
- Borrow an idea from the i386mp branch; use the normal SHOOTDOWN IPI
to deal with hitting the entire TLB, and garbage-collect the TBIA
and TBIAP IPIs.
- fpevent_use is incremented the first time a process uses FP
for the first time (note, FPUSED is inherited on fork, but
cleared on exec).
- fpevent_reuse is incremented whenever a process that has previously
used FP has to take a FEN trap in order to be able to use it again.
discover it, but make it block on a semaphore until the MI kernel
says that we can let the secondary processors loose. This allows
us to announce the extensions on the secondary CPUs, and to compute
the intersection of all the extensions across all CPUs, like so:
cpu0 at mainbus0: ID 0 (primary), 21164A-2
cpu0: Architecture extensions: 1<BWX>
cpu1 at mainbus0: ID 1, 21164A-2
cpu1: Architecture extensions: 1<BWX>
to burn 3 insns to swap the arguments. Need to change the interface to
these routines to match memcpy().
G/C bcopy() from here. We'll let it be provided by libkern (which is
what provides memcpy()) until bcopy() is exorcised completely.
and with the comment '4.2BSD TCP/IP bug compat. Not recommended'
Add commented out 'TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG'
(All hail amiga and atari which make some attempt to automate the
multiplicity of config files...)
option for System V semaphores. It appears that there are no overrides
in the code and each file has the following added.
options SYSVSEM # System V semaphores
+#options SEMMNI=10 # number of semaphore identifiers
+#options SEMMNS=60 # number of semaphores in system
+#options SEMUME=10 # max number of undo entries per process
+#options SEMMNU=30 # number of undo structures in system
options SYSVSHM # System V shared memory
If anyone thinks that this is incorrect for any of these files, please
correct it.
Note - the i386 port was not forgotten. It was done separately.
on all platforms but the i386. On the i386 we look at T_PROTFLT and send
a SIGSEGV instead of SIGBUS. This makes allegro lisp 5.0 and pvs (a proof
verification system) to work.
XXX[1]: We need to go through each architecture and verify that we send
the correct signal on each trap type.
XXX[2]: trap.c on all other architectures but i386 needs to be modified
to s/trapsignal/(*p->p_emul->e_trapsignal)/g
follows BSD/OS practice and ucd-snmp code (FreeBSD does it for specific
interfaces only).
was: if_lastchange get updated on every packet transmission/receipt.
now: if_lastchange get updated when IFF_UP is changed.
them define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
in pci_machdep.h and pciide_map_compat_intr() only calls
pciide_machdep_compat_intr_establish() if that preprocessor
define exists.
Ports that don't need to do this no longer need to supply a
dummy function.
porting this code to i386mp branch):
- call microset() early on each cpu so that calls to microtime()
before the first clock interrupt don't return trash. this manifested
itself as garbage runtimes in "ps" for kernel threads.
- avoid races between hardclock updating "time" and microset on a
different cpu reading it by adding a "microset_time" global which is
initialized from "time" on the primary cpu.
- call microset every hz ticks, not every hz+1 (cosmetic)
thorpej