linux-kernel - Re: [PATCH v1 6/6] xen/pciback: Don't call xen_pcibk_config_init

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Date:	Wed, 30 Apr 2014 15:40:39 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>
Cc:	<david.vrabel@...rix.com>, <xen-devel@...ts.xenproject.org>,
	<boris.ostrovsky@...cle.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 6/6] xen/pciback: Don't call
 xen_pcibk_config_init_dev when device de-assigned.

>>> On 30.04.14 at 15:54, <konrad.wilk@...cle.com> wrote:
> When the device is de-assigned from a guest (but still owned
> by xen-pciback) we would needlessly free all of its dynamic
> entries.

I wonder whether that isn't intentional - dynamic fields are only
being used for what comes through the "quirks" attribute.

> --- a/drivers/xen/xen-pciback/pci_stub.c
> +++ b/drivers/xen/xen-pciback/pci_stub.c
> @@ -288,8 +288,6 @@ void pcistub_put_pci_dev(struct pci_dev *dev)
>  
>  	/* And cleanup up our emulated fields. */
>  	xen_pcibk_config_reset_dev(dev);
> -	xen_pcibk_config_free_dyn_fields(dev);
> -

Irrespective of the above, patch title and contents are out of sync.

Jan

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