Messages in this thread | | | Subject | Re: [RFC 1/3] powernv/cpuidle : Support for pre-entry and post exit of stop state in firmware | From | Abhishek <> | Date | Thu, 30 Apr 2020 11:22:09 +0530 |
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Hi Nick,
Have you posted out the kernel side of "opal v4" patchset? I could only find the opal patchset.
Thanks, Abhishek
On 04/28/2020 06:38 AM, Nicholas Piggin wrote: > Thanks for picking this up and pushing it along. I do plan to come back > and take another look at it all, but what we do need to do first is get > a coherent approach to this proposed new calling convention and OS ops. > > It's fine to work on this in the meantime, but to start merging things > my idea is: > > - OPAL must leave r13-r15 untouched for the OS. > - OS ops are made available only for a "v4" OS that uses the new > calling convention, including kernel stack. > - OS ops baseline (all OSes must provide) will be console / printk > facility, trap handling and crash/symbol decoding on behalf of OPAL, > and runtime virtual memory. > > Other OS ops features can be added in the versioned structure, including > this. > > I'm trying to get back to cleaning these things up and start getting > them merged now. Any comments or review on those would be helpful. > > Thanks, > Nick >
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