linux-kernel - Re: [PATCH v14 11/22] vfio iommu: Add blocking notifier to notify DMA

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Date:   Wed, 16 Nov 2016 17:02:03 -0700
From:   Alex Williamson <alex.williamson@...hat.com>
To:     Kirti Wankhede <kwankhede@...dia.com>
Cc:     <pbonzini@...hat.com>, <kraxel@...hat.com>, <cjia@...dia.com>,
        <qemu-devel@...gnu.org>, <kvm@...r.kernel.org>,
        <kevin.tian@...el.com>, <jike.song@...el.com>,
        <bjsdjshi@...ux.vnet.ibm.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v14 11/22] vfio iommu: Add blocking notifier to notify
 DMA_UNMAP

On Thu, 17 Nov 2016 02:16:23 +0530
Kirti Wankhede <kwankhede@...dia.com> wrote:
> @@ -1321,12 +1350,11 @@ static void vfio_iommu_unmap_unpin_reaccount(struct vfio_iommu *iommu)
>  
>  static void vfio_sanity_check_pfn_list(struct vfio_iommu *iommu)
>  {
> -	struct rb_node *n, *p;
> +	struct rb_node *n;
>  
>  	n = rb_first(&iommu->dma_list);
>  	for (; n; n = rb_next(n)) {
>  		struct vfio_dma *dma;
> -		int unlocked = 0;
>  
>  		dma = rb_entry(n, struct vfio_dma, node);
>  

This chunk really should have been part of 10/22 as well.