Re: [PATCH RFC 1/2] RDMA: Add indication for in kernel API support to IB device

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On 01-Jan-19 21:17, Leon Romanovsky wrote:
> On Tue, Jan 01, 2019 at 11:30:24AM +0200, Gal Pressman wrote:
>> Drivers that do not provide kernel verbs support should communicate that
>> to the ULPs before they try to use the device and fail.
>> This patch allows drivers to indicate whether the device provides
>> support for kernel API usage with the 'kverbs_provider' flag and makes
>> ib clients not add unsupported devices.
> 
> General comment, if we decide to proceed this path, the implementation
> shouldn't touch ULPs and drivers and needs to be implemented in IB/core
> only.
> 
> Thanks

Hi Leon,
How would that work?
Each ULP should decide whether it wants to add the device or not, shouldn't that
be coded in the ULP?

> 
>>
>> No functional changes were introduced in this patch, all devices are
>> marked as kernel providers. Downstream patch will adjust relevant
>> drivers.




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