[PATCH v2 1/3] x86/irq: improve definition of VECTOR_SHUTDOWN et al

From: Heiner Kallweit
Date: Mon Aug 19 2019 - 15:36:54 EST


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@xxxxxxxxx>
---
arch/x86/include/asm/hw_irq.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index cbd97e22d..4154bc5f6 100644
--- 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);
--
2.22.1