From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: fsys_rt_sigprocmask fastcall missing PF_FREEZE handling?
Date: Thu, 02 Jun 2005 21:21:09 +0000 [thread overview]
Message-ID: <17055.30789.502210.18693@napali.hpl.hp.com> (raw)
In-Reply-To: <Pine.LNX.4.62.0506021236020.19721@schroedinger.engr.sgi.com>
>>>>> 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
prev parent reply other threads:[~2005-06-02 21:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-02 19:43 fsys_rt_sigprocmask fastcall missing PF_FREEZE handling? Christoph Lameter
2005-06-02 20:22 ` David Mosberger
2005-06-02 20:28 ` Christoph Lameter
2005-06-02 21:21 ` David Mosberger [this message]
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