On Wed, May 27, 2015 at 8:43 PM, Jason Gunthorpe
<[email protected]> wrote:
> On Wed, May 27, 2015 at 12:04:29PM -0400, Doug Ledford wrote:
>> On Mon, 2015-05-25 at 10:54 -0600, Jason Gunthorpe wrote:
>> > On Wed, May 13, 2015 at 02:10:36PM +0300, Yishai Hadas wrote:
>> >
>> > > + struct srcu_struct                      disassociate_srcu;
>> >
>> > There is no need for rcu for this, use a rw sem.
>>
>> The rcu was used becuase it's on the hot path I assume.
>
> Perhaps, I looked at that a bit, it was used on syscall paths, but
> that wasn't even the big reason I made the comment..

Doug, what hot path we have in uverbs?! IB's stack hot path goes from
user-space to the HW, right?

Or.
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