From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] RE: +AFs-Linux-ia64+AF0- reader-writer livelock proble
Date: Mon, 11 Nov 2002 21:21:34 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709805392@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590709805391@msgid-missing>
>>>>> On Mon, 11 Nov 2002 14:36:38 -0600, "Van Maren, Kevin" <kevin.vanmaren@unisys.com> said:
Van> I have not looked at this, but I don't believe it is the right
Van> way to solve the problem: users who +AF8-need+AF8- to use all
Van> the CPUs for computation would be punished just to work around
Van> a kernel implementation issue: that's like saying don't allow
Van> processes to allocate virtual memory because if the VM is
Van> over-committed by X amount the kernel deadlocks.
Van> It would be a bad hack to limit the system-call rate just to
Van> prevent livelock.
Certainly. I didn't suggest PRM as a way to _solve_ the livelock
problem, but since Mario asked for a method to cap CPU utilization, I
mentiond it.
--david
next prev parent reply other threads:[~2002-11-11 21:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-11 20:36 [Linux-ia64] RE: +AFs-Linux-ia64+AF0- reader-writer livelock proble Van Maren, Kevin
2002-11-11 20:38 ` Wedum, Patricia
2002-11-11 21:21 ` David Mosberger [this message]
2002-11-11 22:02 ` Grant Grundler
[not found] <3FAD1088D4556046AEC48D80B47B478C0101F4F7@usslc-exch-4.slc.unisys.com>
2002-11-11 22:02 ` Grant Grundler
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