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authorAkinobu Mita <akinobu.mita@gmail.com>2012-03-23 15:02:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 16:58:34 -0700
commit0b2f4d4d76a09f02fa37bfa57909483448fac771 (patch)
tree381e6960623c815210c44cdfcbf3a179bf54f3eb
parent1a07cbba1425ec7215854cfaa9a8df66047cfb57 (diff)
x86: use for_each_clear_bit_from()
Use for_each_clear_bit() to iterate over all the cleared bit in a memory region. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/x86/kernel/irqinit.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 313fb5cddbc..43e2b1cff0a 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -306,10 +306,10 @@ void __init native_init_IRQ(void)
* us. (some of these will be overridden and become
* 'special' SMP interrupts)
*/
- for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
+ i = FIRST_EXTERNAL_VECTOR;
+ for_each_clear_bit_from(i, used_vectors, NR_VECTORS) {
/* IA32_SYSCALL_VECTOR could be used in trap_init already. */
- if (!test_bit(i, used_vectors))
- set_intr_gate(i, interrupt[i-FIRST_EXTERNAL_VECTOR]);
+ set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]);
}
if (!acpi_ioapic && !of_ioapic)