Messages in this thread | | | From | Marc-Christian Petersen <> | Subject | Re: [PATCH] 2.4 preemption bug in bh_kmap_irq | Date | Mon, 14 Apr 2003 19:40:14 +0200 |
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On Monday 14 April 2003 19:27, Joe Korty wrote:
Hi Joe,
> The below patch compiles and boots ide=nodma on my preempt 2.4 kernel > on the one motherboard that had the problem. Before this patch, the > kernel would not even boot for that motherboard. I also applied and > test booted a pure 2.4.21-pre5 kernel with this patch. > The patch implements my preference for simplicity, so you may want to > take some other approach if maximal performance is what you want. yep, and here is the problem ^^^^^^^^. Your patch seems ok but is horribly slow. I've tried it first the day you submitted the patch. It's even alot slower than w/o Preempt or CONFIG_PREEMPT to no.
My Celeron 1,3GHz with 512 MB RAM felt like good old 486SX/25 while doing, for example, a kernel compilation :(
ciao, Marc
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