Wolfgang Grandegger wrote: > Hello, > > I just checked out Xenomai and realized the UVM build error below (while > building for PPC 405 with IPIPE tracer). "xnlock_put/get" seems not to > be dummy without SMP. > > Wolfgang. >
Try this patch. It fixes the problem and also appears to me as the
correct way to solve it (UVM is a UP-machine, spinlocks are void).
Jan
--- include/asm-uvm/system.h (Revision 1022)
+++ include/asm-uvm/system.h (Arbeitskopie)
@@ -67,6 +67,8 @@ typedef unsigned long xnlock_t;
#define XNARCH_LOCK_UNLOCKED 0
#define xnlock_init(lock) do { } while(0)
+#define xnlock_get(lock) do { } while(0)
+#define xnlock_put(lock) do { } while(0)
#define xnlock_get_irqsave(lock,x) ((x) = xnarch_lock_irq())
#define xnlock_put_irqrestore(lock,x) xnarch_unlock_irq(x)
#define xnlock_clear_irqoff(lock) xnarch_lock_irq()
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