This patch enables a preemptible kernel - now userspace programs can be
preempted, even if in kernel land. This should result in greater system
response.
Updated patches are available at:
http://tech9.net/rml/linux/patch-rml-2.4.9-ac12-preempt-kernel-1 and
http://tech9.net/rml/linux/patch-rml-2.4.10-pre11-preempt-kernel-1
for 2.4.9-ac12 and 2.4.10-pre11, respectively.
ChangeLog is at http://tech9.net/rml/linux/changelog-preempt
The Athlon-optimized problem is fixed and a final solution is merged.
We have had reported success with XFS, although a patch is required to
compile, available at
http://tech9.net/rml/linux/other/patch-rml-2.4.10-pre10-xfs-preempt-fix-1
Finally, I have gotten great feedback from SMP users -- both in that "it
works" and that benchmarks show an improvement. Thus, SMP and
preemption together are no longer marked experimental.
The only outstanding issue is a possible issue with ReiserFS, although I
am beginning to think this is attributed to VM muck and not ReiserFS.
If you use ReiserFS, I would appreciate some feedback. (Note that the
issue is _not_ fs corruption or anything of the ilk, just odd syslog
messages and the such).
Please continue to supply feedback and relevant benchmarks. I really
encourage "regular" users to try this out -- patch your kernel and
enable CONFIG_PREEMPT. I am not an audio guy, trust me -- this is worth
it for any desktop.
-- Robert M. Love rml at ufl.edu rml at tech9.net- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Sep 23 2001 - 21:00:28 EST