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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 7 Dec 2003 11:34:29 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/kern kern_thread.c syscalls.master src/sys/sys
 kse.h
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marcel      2003/12/07 11:34:29 PST

  FreeBSD src repository

  Modified files:
    sys/kern             kern_thread.c syscalls.master 
    sys/sys              kse.h 
  Log:
  Add kse_switchin(2). This syscall can be used by KSE implementations
  to have the kernel switch to a new thread, instead of doing it in
  userland. It is in fact needed on ia64 where syscall restarts do not
  return to userland first. It's completely handled inside the kernel.
  As such, any context created by the kernel as part of an upcall and
  caused by some syscall needs to be restored by the kernel.
  
  Revision  Changes    Path
  1.164     +24 -0     src/sys/kern/kern_thread.c
  1.159     +2 -0      src/sys/kern/syscalls.master
  1.20      +1 -0      src/sys/sys/kse.h