Re: [Xen-devel] [PATCH v12 4/6] IOMMU/x86: using a struct pci_dev* instead of SBDF

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 27.06.16 at 10:17, <JBeulich@xxxxxxxx> wrote:
>>>> On 24.06.16 at 07:51, <quan.xu@xxxxxxxxx> wrote:
>> --- a/xen/drivers/passthrough/x86/ats.c
>> +++ b/xen/drivers/passthrough/x86/ats.c
>> @@ -22,26 +22,34 @@ LIST_HEAD(ats_devices);
>>  bool_t __read_mostly ats_enabled = 0;
>>  boolean_param("ats", ats_enabled);
>>  
>> -int enable_ats_device(int seg, int bus, int devfn, const void *iommu)
>> +int enable_ats_device(const void *iommu, struct pci_dev *pci_dev)
> 
> Is there anything preventing the second parameter to become
> a pointer to const too? Afaict that would in turn eliminate the
> need for some of the changes further up.

I just figured that patch 6 depends on this being non-const.

Jan


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