On Friday 27 May 2005 02:38, [email protected] wrote:
> After porting this fixlet to UML:
>
> http://linux.bkbits.net:8080/linux-2.5/cset@41791ab52lfMuF2i3V-eTIGRBbDYKQ
>
> , I've also added a warning which should refuse compilation with insane
> values for PREEMPT_ACTIVE... maybe we should simply move PREEMPT_ACTIVE out
> of architectures using GENERIC_IRQS.
Ok, a grep shows that possible culprits (i.e. giving success to
grep GENERIC_HARDIRQS arch/*/Kconfig, and using 0x4000000 as PREEMPT_ACTIVE,
as given by grep PREEMPT_ACTIVE include/asm-*/thread_info.h) are (at a first
glance): frv, sh, sh64.
After a bit of checking, I also verified if they had overriden the value of
HARDIRQ_BITS. Which they haven't (it seems it's defined exactly where
CONFIG_HARDIRQS is not used, i.e. nobody is using the ability to override it
currently).
This was not a very deep investigation, however, so feel free to verify this
better.
--
Paolo Giarrusso, aka Blaisorblade
Skype user "PaoloGiarrusso"
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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