.
Robert Love
diff -ur linux-2.4.17-pre4-preempt/fs/reiserfs/bitmap.c linux/fs/reiserfs/bitmap.c
--- linux-2.4.17-pre4-preempt/fs/reiserfs/bitmap.c Wed Dec 5 15:15:53 2001
+++ linux/fs/reiserfs/bitmap.c Wed Dec 5 19:31:43 2001
@@ -397,13 +397,11 @@
amount_needed++ ;
continue
, that preemption can uncover all sorts of
race conditions, and at times faster than SMP will!
Robert Love
On Thu, 2001-09-20 at 19:15, Andrea Arcangeli wrote:
All I'm saying is that you should check for = 0, not == 0.
And I am saying we already keep track of that, we have a preemption
counter.
But anwyays it's pretty depressing to see such a costly check needed to
get latency right with the
On Thu, 2001-09-20 at 18:37, Andrea Arcangeli wrote:
On Thu, Sep 20, 2001 at 06:24:48PM -0400, Robert Love wrote:
if (current-need_resched current-lock_depth == 0) {
unlock_kernel();
lock_kernel();
}
nitpicking: the above is fine but it isn't complete, it may work for
most
On Thu, 2001-09-20 at 02:31, Dieter Nützel wrote:
Here are some results for 2.4.10-pre12 (Andrea's VM :-)
Athlon II 1 GHz (0.18 µm)
MSI MS-6167 Rev 1.0B (Irongate C4)
640 MB PC100-2-2-2 SDRAM
IBM DDYS 18 GB U160 (on AHA-2940UW)
ReiserFS 3.6 on all partitions
Sound driver is the new
On Thu, 2001-09-20 at 13:08, Dieter Nützel wrote:
I examined that ReiserFS suffer from kupdated since 2.4.7-ac3.
When ever I do kill -STOP kupdated the performance is much better.
I know this is unsafe...
The patches that are going around in this thread (stuff from Andrew
Morton and Andrea)
On Thu, 2001-09-20 at 13:39, Andrew Morton wrote:
Andrew, are these still maintained or should I pull out the reiserfs bits?
This is the reiserfs part - it applies to 2.4.10-pre12 OK.
For the purposes of Robert's patch, conditional_schedule()
should be defined as
if
On Thu, 2001-09-20 at 03:57, Dieter Nützel wrote:
You've forgotten a one liner.
#include linux/locks.h
+#include linux/compiler.h
But this is not enough. Even with reniced artsd (-20).
Some shorter hiccups (0.5~1 sec).
Note (I am repeated myself from an email I just sent) that the
On Thu, 2001-09-20 at 04:21, Andrea Arcangeli wrote:
You've forgotten a one liner.
#include linux/locks.h
+#include linux/compiler.h
woops, didn't trapped it because of gcc 3.0.2. thanks.
But this is not enough. Even with reniced artsd (-20).
Some shorter hiccups (0.5~1 sec).
On Tue, 2001-09-18 at 00:06, Dieter Nützel wrote:
Am Samstag, 15. September 2001 07:14 schrieb Robert Love:
Are you seeing any specific problems, now? With the latest preemption
patch on 2.4.10-pre9, do you crash? oops?
No, nothing with 2.4.10-pre9 + patch-rml-2.4.10-pre9-preempt-kernel
On Sat, 2001-09-15 at 00:25, Dieter Nützel wrote:
ReiserFS may be another problem.
Can't wait for that.
Most wanted, now.
I am working on it, but I am unfamilar with it all.
Are you seeing any specific problems, now? With the latest preemption
patch on 2.4.10-pre9, do you crash? oops?
11 matches
Mail list logo
