Philippe Gerum wrote: > Philippe Gerum wrote: >> Bernhard Walle wrote: >> >>> Hello, >>> >>> I have a kernel 2.6.15.6 with >>> http://download.gna.org/adeos/patches/v2.6/i386/adeos-ipipe-2.6.15-i386-1.2-03.patch >>> >>> patch. In this configuration, CONFIG_PREEMPT doesn't work any more, >>> i.e. the kernel is not preempted. >>> >> >> How do you check this? >> > > Forget about this question. I'm going to give a look at your testcase > when time allows. Thanks. >
I did, and I can confirm this (2.6.16, original ipipe-1.2-03 applied, ipipe on vs. off). Maybe something related to the TASK_ATOMICSWITCH changes? >>> With the kernel without ADEOS patch, it works fine. A test program is >>> at http://www.bwalle.de/temp/kern-preempt.tar.bz2. >>> >>> Do you know what's wrong? >>> >>> >>> Regards, >>> Bernhard >> >> >> Jan
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