Re: [Xen-devel] [RFC 11/11] Add to_pci_dev macro

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Manish,

Again please use scripts/get_maintainers.pl.

On 02/01/18 09:28, manish.jaggi@xxxxxxxxxx wrote:
> From: Manish Jaggi <manish.jaggi@xxxxxxxxxx>
>
> This patch adds to_pci_dev macro
Why? Who is going to use it? If it is a patch in your series, then 
likely this patch should be before you use it.
Any in case, a commit message a bit more develop will be help.

> Signed-off-by: Manish Jaggi <manish.jaggi@xxxxxxxxxx>
> ---
>   xen/include/xen/pci.h | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/xen/include/xen/pci.h b/xen/include/xen/pci.h
> index 43f21251a5..4c7ff4dd10 100644
> --- a/xen/include/xen/pci.h
> +++ b/xen/include/xen/pci.h
> @@ -92,8 +92,11 @@ struct pci_dev {
>   #define PT_FAULT_THRESHOLD 10
>       } fault;
>       u64 vf_rlen[6];
> +    struct device dev;
That's common code. Please look at adding this in arch_pci_dev. But I 
would need a bit more context why you need that.
>   };
>   
> +#define to_pci_dev(p) container_of(p, struct pci_dev, dev)
> +#define pci_domain_nr(dev) dev->seg
>   #define for_each_pdev(domain, pdev) \
>       list_for_each_entry(pdev, &(domain->arch.pdev_list), domain_list)
>   
Cheers,

--
Julien Grall

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