Subject: RE: when to sysctl and when not to?
To: 'Simon Burge' <simonb@NetBSD.ORG>
From: Andrew Sporner <email@example.com>
Date: 06/16/2000 08:38:08
I made a presumption that you had the stuff patched, so let's
treat the question in the future context. When you are finished
with your work, where will we be able to find it. (IE: Changes
as you described in this thread...)
> -----Original Message-----
> From: Simon Burge [mailto:simonb@NetBSD.ORG]
> Sent: Friday, June 16, 2000 7:38 AM
> To: Andrew Sporner
> Cc: tech-kern@NetBSD.ORG
> Subject: Re: when to sysctl and when not to?
> Andrew Sporner wrote:
> > So what do I need to get this code in 'current'? Is
> > this a patch or will it be committed to the source
> > tree?
> I'm not quite sure what you mean - at the moment I slowly
> going through
> the kmem grovellers and converting them to use sysctls and removing
> setgid kmem from them. I've already changed the current sysctl-users
> (ps, top, w, ipcs and nfsstat) to just check memory file and not the
> namelist file when deciding to use sysctl or kvm for accessing kernel
> Which bit of "code" do you mean?
> > -----Original Message-----
> > From: Simon Burge [mailto:firstname.lastname@example.org]
> > Sent: Friday, June 16, 2000 12:45 AM
> > To: matthew green
> > Cc: email@example.com
> > Subject: Re: when to sysctl and when not to?
> > matthew green wrote:
> > > There's scope to go even further and use
> > >
> > > if (memf == NULL || strcmp(memf, _PATH_MEM) == 0)
> > >
> > >
> > > i think this may be going too far.
> > >
> > >
> > > perhaps we could document in the kvm commands that if you do
> > > pass a memory file, you want to use kvm-style accesses...
> > At the moment, there's no documentation in the kvm commands
> to say that
> > they might not use kvm (and most don't mention kvm anyway). There's
> > usually words to the effect of "extract default info from
> > Hmm, even that's not right - you need to specify "/dev/mem" and not
> > "/dev/kmem" - a quick check shows that most of the
> grovellers reference
> > /dev/kmem and not /dev/mem. Did something change this in
> the past and
> > the man pages not get updated? And what would use
> /dev/kmem now then
> > anyway?
> > Simon.