[src/trunk]: src/share/man/man4 Update compatibility notes.

[jruoho <jruoho%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8ad557e38132
branches:  trunk
changeset: 762797:8ad557e38132
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Tue Mar 01 04:45:52 2011 +0000

description:
Update compatibility notes.

diffstat:

 share/man/man4/acpicpu.4 |  27 ++++++---------------------
 1 files changed, 6 insertions(+), 21 deletions(-)

diffs (60 lines):

diff -r b0c3fe2bc687 -r 8ad557e38132 share/man/man4/acpicpu.4
--- a/share/man/man4/acpicpu.4  Tue Mar 01 04:35:48 2011 +0000
+++ b/share/man/man4/acpicpu.4  Tue Mar 01 04:45:52 2011 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: acpicpu.4,v 1.25 2011/02/25 18:48:26 njoly Exp $
+.\" $NetBSD: acpicpu.4,v 1.26 2011/03/01 04:45:52 jruoho Exp $
 .\"
 .\" Copyright (c) 2010 Jukka Ruohonen <jruohonen%iki.fi@localhost>
 .\" All rights reserved.
@@ -24,7 +24,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd February 25, 2011
+.Dd March 1, 2011
 .Dt ACPICPU 4
 .Os
 .Sh NAME
@@ -288,37 +288,22 @@
 (with the
 .Fl e
 flag).
-Note that valid per-CPU data is available only for C-states.
 .Sh COMPATIBILITY
 The
 .Nm
-driver conflicts with
-.Xr est 4
-and
-.Xr powernow 4
-in addition to the
+driver conflicts with the
 .Dv INTEL_ONDEMAND_CLOCKMOD
 kernel configuration option.
-These must be disabled if
+This must be disabled if
 .Nm
 is used.
-Furthermore, in the unlikely case where both
-.Nm
-and
-.Xr ichlpcib 4
-or
-.Xr piixpcib 4
-provide support for P-states,
-the PCI-based interfaces should not be accessed due possible race conditions.
-.Pp
-All relatively new x86 systems should prefer
+Note that all relatively new x86 systems should prefer
 .Nm .
 The P-state support provided by
 .Xr est 4
 and
 .Xr powernow 4
-are known to be either problematic or
-entirely dysfunctional with new x86 processors.
+is known to be problematic on new x86 processors.
 .Sh SEE ALSO
 .Xr acpi 4 ,
 .Xr acpitz 4 ,