Messages in this thread | | | Subject | Re: [PATCH v4 4/6] infiniband: cxgb4: Eliminate duplicate barriers on weakly-ordered archs | From | Steve Wise <> | Date | Thu, 22 Mar 2018 11:28:29 -0500 |
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On 3/22/2018 9:52 AM, Sinan Kaya wrote: > On 3/22/2018 9:40 AM, Steve Wise wrote: >> I think all these iw_cxgb4 changes should be reverted until we really have a >> plan for multi-platform that works. > I know you are looking to have support for PowerPC. > > Isn't this a PowerPC problem? Why penalize other architectures? > > Do you see anything wrong with the code itself?
I worry it breaks PPC.
> I started this thread with the PowerPC develoeprs on your request. > "RFC on writel and writel_relaxed" > > They are looking into adding the relaxed API support. Support can come > in later. Why block this change now? > > benh@kernel.crashing.org: > "I've been wanting to implement the relaxed accessors for a while but > was battling with this to try to also better support WC, and due to > other commitments, this somewhat fell down the cracks." > > I have seen four different responses on this thread. Since this is an > architecture change it will take a while to get the semantics right. > It won't happen in the new few days.
I appreciate you doing this.
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