From 0b2f4d4d76a09f02fa37bfa57909483448fac771 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 23 Mar 2012 15:02:06 -0700 Subject: [PATCH] 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 Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/kernel/irqinit.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 313fb5cddbce..43e2b1cff0a7 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) -- 2.20.1