diff options
Diffstat (limited to 'arch/x86/include/asm/desc.h')
| -rw-r--r-- | arch/x86/include/asm/desc.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index e6b82b17b072..dc27705f5443 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -320,16 +320,14 @@ static inline void set_intr_gate(unsigned int n, void *addr) _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS); } -#define SYS_VECTOR_FREE 0 -#define SYS_VECTOR_ALLOCED 1 - extern int first_system_vector; -extern char system_vectors[]; +/* used_vectors is BITMAP for irq is not managed by percpu vector_irq */ +extern unsigned long used_vectors[]; static inline void alloc_system_vector(int vector) { - if (system_vectors[vector] == SYS_VECTOR_FREE) { - system_vectors[vector] = SYS_VECTOR_ALLOCED; + if (!test_bit(vector, used_vectors)) { + set_bit(vector, used_vectors); if (first_system_vector > vector) first_system_vector = vector; } else |