Re: fsys_rt_sigprocmask fastcall missing PF_FREEZE handling?

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2005-06-03 07:21:09
>>>>> On Thu, 2 Jun 2005 13:28:21 -0700 (PDT), Christoph Lameter <clameter@engr.sgi.com> said:

  Christoph> On Thu, 2 Jun 2005, David Mosberger wrote:

  >> >>>>> On Thu, 2 Jun 2005 12:43:59 -0700 (PDT), Christoph Lameter <clameter@engr.sgi.com> said:

  Christoph> I just compared fsys_rt_sigprocmask in
  Christoph> arch/ia64/kernel/fsys.S with kernel/signal.c and noted
  Christoph> that there does not seem to be any handling of the
  Christoph> PF_FREEZE flag. This may be okay if IA64 does not support
  Christoph> power management but I see some adaptec drivers in SLES9
  Christoph> that use PF_FREEZE.

  >> What tree are you looking at?  mm?  I don't see PF_FREEZE in Linus' tree.

  Christoph> I was looking at mm and Sles 9.

  Christoph> PF_FREEZE is in all trees. But the check for PF_FREEZE is
  Christoph> missing from racalc_sigpending_tsk in Linus tree it
  Christoph> seems.

That would explain why it's missing.  Clearly you'd want the
light-weight version of sigprocmask to be consistent with the
heavy-weight version (as is the case for Linus' tree).

	--david
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Received on Thu Jun 2 17:41:40 2005

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