Hi,
there's a hunk in patch-2.6.23-rc2-rt2, which looks like a bug-fix,
also relevant for the mainline kernel:
@@ -477,8 +550,8 @@ static inline void finish_lock_switch(st
smp_wmb();
prev->oncpu = 0;
#endif
-#ifndef __ARCH_WANT_INTERRUPTS_ON_CTXSW
- local_irq_enable();
+#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
+ local_irq_disable();
#endif
}
#endif /* __ARCH_WANT_UNLOCKED_CTXSW */
But it is not in the mainline until now, although this seems to be
affecting both platforms defining __ARCH_WANT_INTERRUPTS_ON_CTXSW and
those not defining it. So, my question is - has it been submitted into
mainline? If not - why, and what can be consequences of this bug (resp. of
fixing it)?
Thanks
Guennadi
---------------------------------
Guennadi Liakhovetski, Ph.D.
DSA Daten- und Systemtechnik GmbH
Pascalstr. 28
D-52076 Aachen
Germany
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