davidxu f39653dda8 Make sigaltstack as per-threaded, because per-process sigaltstack state ... is useless for threaded programs, multiple threads can not share same stack. The alternative signal stack is private for thread, no lock is needed, the orignal P_ALTSTACK is now moved into td_pflags and renamed to TDP_ALTSTACK. For single thread or Linux clone() based threaded program, there is no semantic changed, because those programs only have one kernel thread in every process. Reviewed by: deischen, dfr		2004-01-03 02:02:26 +00:00
..
acpica	Return AE_OK for stub functions returning ACPI_STATUS, not NULL	2003-12-24 05:26:26 +00:00
compile
conf	Remove the atkbd, psm, sc and vga devices. Most ia64 boxes out there	2003-11-08 23:19:13 +00:00
disasm	Remove two unused fields in the operand structure (o_read & o_write).	2003-10-24 02:05:53 +00:00
ia32	Add missing #include "opt_compat.h" so that the compatability function	2003-12-18 06:59:18 +00:00
ia64	Make sigaltstack as per-threaded, because per-process sigaltstack state	2004-01-03 02:02:26 +00:00
include	GC the unused <machine/kse.h> file.	2003-12-24 00:51:30 +00:00
isa	Mega busdma API commit.	2003-07-01 15:52:06 +00:00
pci	Delete legacy pcib code - we can't possibly work without acpi on ia64.	2001-10-06 10:09:57 +00:00