linux-kernel - Re: [PATCH 2/4] KVM: use pci device flag operation helper functions

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Date:	Thu, 24 Jul 2014 13:09:56 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Ethan Zhao <ethan.zhao@...cle.com>, bhelgaas@...gle.com,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	gleb@...nel.org, kvm@...r.kernel.org, konrad.wilk@...cle.com,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com,
	xen-devel@...ts.xenproject.org
CC:	alex.williamson@...hat.com, alexander.h.duyck@...el.com,
	ethan.kernel@...il.com
Subject: Re: [PATCH 2/4] KVM: use pci device flag operation helper functions

Il 22/07/2014 18:19, Ethan Zhao ha scritto:
> Use helper function instead of direct operation to pci device
> flag when set device to assigned or deassigned.
> 
> Signed-off-by: Ethan Zhao <ethan.zhao@...cle.com>
> ---
>  virt/kvm/assigned-dev.c |    2 +-
>  virt/kvm/iommu.c        |    4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
> index bf06577..d122bda 100644
> --- a/virt/kvm/assigned-dev.c
> +++ b/virt/kvm/assigned-dev.c
> @@ -302,7 +302,7 @@ static void kvm_free_assigned_device(struct kvm *kvm,
>  	else
>  		pci_restore_state(assigned_dev->dev);
>  
> -	assigned_dev->dev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
> +	pci_set_dev_deassigned(assigned_dev->dev);
>  
>  	pci_release_regions(assigned_dev->dev);
>  	pci_disable_device(assigned_dev->dev);
> diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
> index 0df7d4b..8cfe021 100644
> --- a/virt/kvm/iommu.c
> +++ b/virt/kvm/iommu.c
> @@ -194,7 +194,7 @@ int kvm_assign_device(struct kvm *kvm,
>  			goto out_unmap;
>  	}
>  
> -	pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
> +	pci_set_dev_assigned(pdev);
>  
>  	dev_info(&pdev->dev, "kvm assign device\n");
>  
> @@ -220,7 +220,7 @@ int kvm_deassign_device(struct kvm *kvm,
>  
>  	iommu_detach_device(domain, &pdev->dev);
>  
> -	pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
> +	pci_set_dev_deassigned(pdev);
>  
>  	dev_info(&pdev->dev, "kvm deassign device\n");
>  
> 

Acked-by: Paolo Bonzini <pbonzini@...hat.com>
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