> It appears that global_irq_holder will only be seen from
> <asm/hardirq.h> if CONFIG_SMP is defined. I haven't dug
> deeper to see whether this is due to CONFIG_PREEMPT (to
> which I said 'Y') or not.
Indeed, there is a compile error if preemption is enabled but SMP is
not. I apologize. Fix is attached.
Robert Love
diff -urN linux-2.5.4-pre6/include/asm-i386/smplock.h linux/include/asm-i386/smplock.h
--- linux-2.5.4-pre6/include/asm-i386/smplock.h Sun Feb 10 15:35:55 2002
+++ linux/include/asm-i386/smplock.h Sun Feb 10 18:15:55 2002
@@ -15,6 +15,7 @@
#else
#ifdef CONFIG_PREEMPT
#define kernel_locked() preempt_get_count()
+#define global_irq_holder 0
#else
#define kernel_locked() 1
#endif
-
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