linux-kernel - Re: [KVM PATCH v7 1/2] KVM: make io

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Date:	Thu, 18 Jun 2009 14:35:33 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Gregory Haskins <ghaskins@...ell.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	davidel@...ilserver.org, mtosatti@...hat.com,
	paulmck@...ux.vnet.ibm.com, markmc@...hat.com
Subject: Re: [KVM PATCH v7 1/2] KVM: make io_bus interface more robust

On 06/16/2009 04:42 PM, Gregory Haskins wrote:
> +
> +/* assumes kvm->lock held */
> +void kvm_io_bus_unregister_dev(struct kvm_io_bus *bus,
> +			       struct kvm_io_device *dev)
> +{
> +	int i;
> +
> +	for (i = 0; i<  bus->dev_count; i++) {
> +
> +		if (bus->devs[i] == dev) {
> +			int j;
> +
> +			/* backfill the hole */
> +			for (j = i; j<  bus->dev_count-1; j++)
> +				bus->devs[j] = bus->devs[j+1];
> +
> +			bus->dev_count--;
> +
> +			break;
>    

Could be simplified to

     if (bus->devs[i] == dev) {
         bus->devs[i] = bus->devs[--bus->dev_count];
         return;
     }

-- 
error compiling committee.c: too many arguments to function

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