Re: Correct IPL for UVM pageqlock

2020-11-26 Thread Mark Kettenis
> Date: Thu, 26 Nov 2020 14:19:01 -0300 > From: Martin Pieuchot > > As reported by AIsha Tammy on bugs@, there's a current recursion > possible with the pageqlock: > >ddb> trace >db_enter() at db_enter+0x10 >panic(81dcd47c) at panic+0x12a >mtx_enter(B219ed00) at

Correct IPL for UVM pageqlock

2020-11-26 Thread Martin Pieuchot
As reported by AIsha Tammy on bugs@, there's a current recursion possible with the pageqlock: ddb> trace db_enter() at db_enter+0x10 panic(81dcd47c) at panic+0x12a mtx_enter(B219ed00) at mtx_enter+0x81 uvm_objfree(fd8015f2c9a0) at uvm_objfree+0x61