linux-kernel - Re: [PATCH 3/4 v3] xen-pciback: use pci device flag operation helper function

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Message-ID: <53D7725C.5010405@citrix.com>
Date:	Tue, 29 Jul 2014 11:07:24 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Ethan Zhao <ethan.zhao@...cle.com>, <bhelgaas@...gle.com>,
	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<gleb@...nel.org>, <pbonzini@...hat.com>, <kvm@...r.kernel.org>,
	<konrad.wilk@...cle.com>, <boris.ostrovsky@...cle.com>,
	<xen-devel@...ts.xenproject.org>
CC:	<alex.williamson@...hat.com>, <alexander.h.duyck@...el.com>,
	<ethan.kernel@...il.com>
Subject: Re: [PATCH 3/4 v3] xen-pciback: use pci device flag operation helper
 function

On 29/07/14 05:06, Ethan Zhao wrote:
> Use pci device flag operation helper functions when set device
> to assigned or deassigned state.
> 
> Signed-off-by: Ethan Zhao <ethan.zhao@...cle.com>

Konrad already reviewed this but you've not included his reviewed-by tag.

I don't understand why we bother with this flag on Xen since we never
use it but:

Acked-by: David Vrabel <david.vrabel@...rix.com>

I'm expecting this to go via the PCI tree.

David

> --- a/drivers/xen/xen-pciback/pci_stub.c
> +++ b/drivers/xen/xen-pciback/pci_stub.c
> @@ -133,7 +133,7 @@ static void pcistub_device_release(struct kref *kref)
>  	xen_pcibk_config_free_dyn_fields(dev);
>  	xen_pcibk_config_free_dev(dev);
>  
> -	dev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
> +	pci_clear_dev_assigned(dev);
>  	pci_dev_put(dev);
>  
>  	kfree(psdev);
> @@ -404,7 +404,7 @@ static int pcistub_init_device(struct pci_dev *dev)
>  	dev_dbg(&dev->dev, "reset device\n");
>  	xen_pcibk_reset_device(dev);
>  
> -	dev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
> +	pci_set_dev_assigned(dev);
>  	return 0;
>  
>  config_release:
> 

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