voluntary-preempt-2.6.8-rc3-O5 [LWN.net]

From:		Ingo Molnar <mingo@elte.hu>
To:		linux-kernel@vger.kernel.org
Subject:		[patch] voluntary-preempt-2.6.8-rc3-O5
Date:		Tue, 10 Aug 2004 15:26:54 +0200
Cc:		Lee Revell <rlrevell@joe-job.com>, Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>, Florian Schmidt <mista.tapas@gmx.net>


i've uploaded the latest version of the voluntary-preempt patch:
    
  http://redhat.com/~mingo/voluntary-preempt/voluntary-pree...

-O5 fixes the APIC lockup issues. The bug was primarily caused by PCI
POST delays causing IRQ storms of level-triggered IRQ sources that were
hardirq-redirected. Also found some bugs in delayed-IRQ masking and
unmasking. SMP should thus work again too.

	Ingo
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