1. 28 Oct, 2005 13 commits
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  6. 25 Jun, 2005 1 commit
    • Christoph Lameter's avatar
      [PATCH] Cleanup patch for process freezing · 3e1d1d28
      Christoph Lameter authored
      
      
      1. Establish a simple API for process freezing defined in linux/include/sched.h:
      
         frozen(process)		Check for frozen process
         freezing(process)		Check if a process is being frozen
         freeze(process)		Tell a process to freeze (go to refrigerator)
         thaw_process(process)	Restart process
         frozen_process(process)	Process is frozen now
      
      2. Remove all references to PF_FREEZE and PF_FROZEN from all
         kernel sources except sched.h
      
      3. Fix numerous locations where try_to_freeze is manually done by a driver
      
      4. Remove the argument that is no longer necessary from two function calls.
      
      5. Some whitespace cleanup
      
      6. Clear potential race in refrigerator (provides an open window of PF_FREEZE
         cleared before setting PF_FROZEN, recalc_sigpending does not check
         PF_FROZEN).
      
      This patch does not address the problem of freeze_processes() violating the rule
      that a task may only modify its own flags by setting PF_FREEZE. This is not clean
      in an SMP environment. freeze(process) is therefore not SMP safe!
      Signed-off-by: default avatarChristoph Lameter <christoph@lameter.com>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      3e1d1d28
  7. 20 Jun, 2005 1 commit
  8. 17 Jun, 2005 3 commits
  9. 03 Jun, 2005 1 commit
  10. 04 May, 2005 4 commits