Date: Tue, 18 Sep 2001 15:02:13 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: hackers@FreeBSD.org Subject: JKH Project: x86: pcb_ext Message-ID: <XFMail.010918150213.jhb@FreeBSD.org>
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Here's a Junior Kernel Hacker project for someone:
- Move pcb_ext and pcb_ldt out of the pcb of struct thread and into
struct mdproc; I.e., you probably want to do something like this:
- Rename struct pcb_ext to struct proc_tss and struct pcb_ldt to
struct proc_ldt. (Fixup pcb_ext member names to use a tss_
prefix instead of ext_)
- Have a struct mdproc as so:
struct mdproc {
struct proc_tss *md_tss;
struct proc_ldt *md_ldt;
}
Prior to KSE this was just annoyance but wasn't an actual problem. With KSE
threads are temporary, whereas the ldt and tss are per-process properties that
need to stick around.
--
John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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