diff options
| author | Bruce Evans <bde@FreeBSD.org> | 1996-03-31 04:18:02 +0000 |
|---|---|---|
| committer | Bruce Evans <bde@FreeBSD.org> | 1996-03-31 04:18:02 +0000 |
| commit | d72ee36f63c95c08926e1c63eadcb8b573277e2f (patch) | |
| tree | bdcd7974c9ec4d1713ba45a433e79715e29849b0 /sys/i386/conf/NOTES | |
| parent | 048cd610adea8aad6b12e3abd19404df0f2fcd10 (diff) | |
| download | src-d72ee36f63c95c08926e1c63eadcb8b573277e2f.tar.gz src-d72ee36f63c95c08926e1c63eadcb8b573277e2f.zip | |
Removed dead option DUMMY_NOPS.
Restored undead option AUTO_EOI_1.
Added undocumented option PERFMON.
Notes
Notes:
svn path=/head/; revision=14945
Diffstat (limited to 'sys/i386/conf/NOTES')
| -rw-r--r-- | sys/i386/conf/NOTES | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES index 482228e84da2..d13172ef9cc3 100644 --- a/sys/i386/conf/NOTES +++ b/sys/i386/conf/NOTES @@ -2,7 +2,7 @@ # LINT -- config file for checking all the sources, tries to pull in # as much of the source tree as it can. # -# $Id: LINT,v 1.244 1996/03/12 05:44:16 nate Exp $ +# $Id: LINT,v 1.245 1996/03/17 08:39:51 jkh Exp $ # # NB: You probably don't want to try running a kernel built from this # file. Instead, you should start from GENERIC, and add options from @@ -392,8 +392,12 @@ controller isa0 # # Options for `isa': # +# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A +# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. +# This option breaks suspend/resume on some portables. +# # AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A -# interrupt controller. This saves about 1.25 usec for each interrupt. +# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. # Automatic EOI is documented not to work for for the slave with the # original i8259A, but it works for some clones and some integrated # versions. @@ -402,10 +406,6 @@ controller isa0 # than 16 megabytes of memory. It doesn't hurt on other machines. # Some broken EISA and VLB hardware may need this, too. # -# DUMMY_NOPS disables extra delays for some bus operations. The delays -# are mostly for older systems and aren't used consistently. Probably -# works OK on most EISA bus machines. -# # TUNE_1542 enables the automatic ISA bus speed selection for the # Adaptec 1542 boards. Does not work for all boards, use it with caution. # @@ -413,9 +413,9 @@ controller isa0 # reset the CPU for reboot. This is needed on some systems with broken # keyboard controllers. # +options "AUTO_EOI_1" #options "AUTO_EOI_2" options BOUNCE_BUFFERS -#options DUMMY_NOPS #options "TUNE_1542" #options BROKEN_KEYBOARD_RESET @@ -854,5 +854,6 @@ options DEBUG options "EXT2FS" options "IBCS2" options LINUX +options PERFMON options "SCSI_2_DEF" options SHOW_BUSYBUFS # List buffers that prevent root unmount |