Re: PR/38792 CVS commit: src/sys

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

Andrew Doran <ad%NetBSD.org@localhost> wrote:
> >  
> >  To generate a diff of this commit:
> >  cvs rdiff -u -r1.280 -r1.281 src/sys/kern/kern_synch.c
> >  cvs rdiff -u -r1.71 -r1.72 src/sys/sys/sched.h
> >  cvs rdiff -u -r1.162 -r1.163 src/sys/uvm/uvm_extern.h
> >  cvs rdiff -u -r1.144 -r1.145 src/sys/uvm/uvm_glue.c
> >  cvs rdiff -u -r1.51 -r1.52 src/sys/uvm/uvm_meter.c
> >  
> >  Please note that diffs are not public domain; they are subject to the
> >  copyright notices on the relevant files.
> 
> Is kernel_lock now held across sched_pstats, as a result of running in lwp0?
> It may have been acquired in configure() / configure2()?
> 

Good point.  Checked - it is not held.  It seems that all init sequence,
configure() and configure2() are running without kernel lock held.  Lower
layers possibly take/release it, but curlwp::l_blcnt is zero in the end.

-- 
Mindaugas