From: Artem Mygaiev Date: Thu, 24 May 2018 18:54:38 +0000 (-0700) Subject: arm: vgic: Use find_first_bit instead of find_next_bit when possible X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~3704^2~24 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=5c8d5fb0c524391e07f2da4660a9970af3cb4025;p=xen.git arm: vgic: Use find_first_bit instead of find_next_bit when possible find_next_bit(foo, sz, 0) is equivalent to find_first_bit(foo, sz). The latter is easier to understand. Some architecture may also have a optimized version of find_first_bit(...). So replace the occurrence of find_next_bit in vgic_vcpu_pending_irq()." Signed-off-by: Artem Mygaiev Reviewed-by: Stefano Stabellini --- diff --git a/xen/arch/arm/gic-vgic.c b/xen/arch/arm/gic-vgic.c index d831b35525..fd63906e9b 100644 --- a/xen/arch/arm/gic-vgic.c +++ b/xen/arch/arm/gic-vgic.c @@ -362,7 +362,7 @@ int vgic_vcpu_pending_irq(struct vcpu *v) ASSERT(v == current); mask_priority = gic_hw_ops->read_vmcr_priority(); - active_priority = find_next_bit(&apr, 32, 0); + active_priority = find_first_bit(&apr, 32); spin_lock_irqsave(&v->arch.vgic.lock, flags);