freebsd-dev/sys/alpha
Matthew Dillon d74ac6819b Compromise for critical*()/cpu_critical*() recommit. Cleanup the interrupt
disablement assumptions in kern_fork.c by adding another API call,
cpu_critical_fork_exit().  Cleanup the td_savecrit field by moving it
from MI to MD.  Temporarily move cpu_critical*() from <arch>/include/cpufunc.h
to <arch>/<arch>/critical.c (stage-2 will clean this up).

Implement interrupt deferral for i386 that allows interrupts to remain
enabled inside critical sections.  This also fixes an IPI interlock bug,
and requires uses of icu_lock to be enclosed in a true interrupt disablement.

This is the stage-1 commit.  Stage-2 will occur after stage-1 has stabilized,
and will move cpu_critical*() into its own header file(s) + other things.
This commit may break non-i386 architectures in trivial ways.  This should
be temporary.

Reviewed by:	core
Approved by:	core
2002-03-27 05:39:23 +00:00
..
alpha Compromise for critical*()/cpu_critical*() recommit. Cleanup the interrupt 2002-03-27 05:39:23 +00:00
compile Don't need the .keep_me files. Obrien and I committed past each other. 2001-07-01 23:35:44 +00:00
conf plip has produced an error during attach on Alpha as long as I care 2002-03-24 14:35:20 +00:00
include Compromise for critical*()/cpu_critical*() recommit. Cleanup the interrupt 2002-03-27 05:39:23 +00:00
isa Don't grab the ICU lock while reading the current pending interrupts and 2002-02-08 18:30:36 +00:00
linux Remove __P(). This was tested on the GENERIC kernel. 2002-03-20 18:58:47 +00:00
mcbus Initialise the AS4100 console at the same time as most of the other 2002-03-26 19:46:40 +00:00
osf1 Remove __P(). This was tested on the GENERIC kernel. 2002-03-20 18:58:47 +00:00
pci shut up the compiler 2002-03-21 18:48:00 +00:00
tc Remove __P(). This was tested on the GENERIC kernel. 2002-03-20 18:58:47 +00:00
tlsb Remove __P(). This was tested on the GENERIC kernel. 2002-03-20 18:58:47 +00:00
Makefile Add a dopey makefile to do the tags dance, which is probably not perfect 2000-12-31 23:26:34 +00:00