Re: RFR: 8300926: Several startup regressions ~6-70% in 21-b6 all platforms

2023-02-16 Thread Erik Ă–sterlund
On Thu, 16 Feb 2023 08:38:42 GMT, Robbin Ehn wrote: > Hi all, please consider. > > The original issue was when thread 1 asked to deopt nmethod set X and thread > 2 asked for the same or a subset of X. > All method will already be marked, but the actual deoptimizing, not entrant, > patching PC

RFR: 8300926: Several startup regressions ~6-70% in 21-b6 all platforms

2023-02-16 Thread Robbin Ehn
Hi all, please consider. The original issue was when thread 1 asked to deopt nmethod set X and thread 2 asked for the same or a subset of X. All method will already be marked, but the actual deoptimizing, not entrant, patching PC on stacks and patching post call nops, was not done yet. Which me