x86/irq: Improve definition of VECTOR_SHUTDOWN et al

These values are used with IS_ERR(), so it's more intuitive to define
them like a standard PTR_ERR() of a negative errno.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/146835e8-c086-4e85-7ece-bcba6795e6db@gmail.com

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index cbd97e22d2f3197053f785dd45f59e08448e7d6a..4154bc5f6a4ed075952e60d6042889d964649a1c 100644 (file)
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -153,8 +153,8 @@ extern char irq_entries_start[];
 extern char spurious_entries_start[];
 
 #define VECTOR_UNUSED          NULL
-#define VECTOR_SHUTDOWN                ((void *)~0UL)
-#define VECTOR_RETRIGGERED     ((void *)~1UL)
+#define VECTOR_SHUTDOWN                ((void *)-1L)
+#define VECTOR_RETRIGGERED     ((void *)-2L)
 
 typedef struct irq_desc* vector_irq_t[NR_VECTORS];
 DECLARE_PER_CPU(vector_irq_t, vector_irq);