Re: [RFC PATCH 0/3] translation performance improvements

2025-04-04 Thread Nicholas Piggin
On Tue Apr 1, 2025 at 5:40 AM AEST, Richard Henderson wrote: > On 3/31/25 10:54, Nicholas Piggin wrote: >> I've been struggling with these couple of performance issues with >> TB coherency. I almost thought deferring flush to icbi would be >> workable, buta note in the docs says that exceptions req

Re: [RFC PATCH 0/3] translation performance improvements

2025-03-31 Thread Richard Henderson
On 3/31/25 10:54, Nicholas Piggin wrote: I've been struggling with these couple of performance issues with TB coherency. I almost thought deferring flush to icbi would be workable, buta note in the docs says that exceptions require TB to be coherent... I don't know what requires that, maybe it co

[RFC PATCH 0/3] translation performance improvements

2025-03-31 Thread Nicholas Piggin
I've been struggling with these couple of performance issues with TB coherency. I almost thought deferring flush to icbi would be workable, buta note in the docs says that exceptions require TB to be coherent... I don't know what requires that, maybe it could be worked around? Another thing is Pow