src/sys/i386, branch releng/4.7

Merge from RELENG_4: kern_subr.c 1.31.2.3, procfs_dbregs.c 1.4.2.4,

2003-10-03T13:07:38Z

procfs_fpregs.c 1.11.2.4, procfs_regs.c 1.10.2.4, procfs_rlimit.c 1.5.2.1, procfs_status.c 1.20.2.5, uio.h 1.11.2.2, linprocfs_misc.c 1.3.2.9. Correct several integer underflows/overflows in procfs and linprocfs.

MFC 1.24: Validate the iBCS2 statfs(2) length parameter.

2003-08-10T23:35:21Z

MFC sys_process.c 1.113, spigot.c 1.60:

2003-08-10T23:23:57Z

Add or correct range checking of signal numbers in system calls and ioctls.

MFS: Range check fix and handle SMP races in i386_set_ldt().

2002-10-07T17:37:39Z

Approved by: re

MFS: Unsigned start/num args for i386_set_ldt().

2002-10-07T17:36:04Z

Approved by: re

This commit was manufactured by cvs2svn to create branch 'RELENG_4_7'.

2002-10-05T19:53:19Z

" Help! Help, scottl is trying to BANG BANG BANG"

2002-10-05T18:31:49Z

" Hello? Hello? Are you still there?" Approved by: re (rwatson)

MFC: 1.16

2002-09-24T08:12:51Z

Enable MTRR support on Intel Pentium 4/XEON processors. Submitted by: Christian Zander Approved by: re (jhb)

MFC: 1.537, 1.538

2002-09-24T08:12:21Z

Reset pc->pcb_gs and %gs before possibly invalidating it. Submitted by: Christian Zander Approved by: re (jhb)

MFC: Elan support;

2002-09-17T22:39:57Z

o Recognize AMD Elan SC520 hostbridge. o Add initialization code for the AMD Elan sc520 which maps the MMCR into KVM and sets the i8254 frequency to the correct value. o MAKEDEV entry for elan-mmcr device Reviewed by: phk, jhb Approved by: re(jhb)