From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Thu, 10 May 2001 14:26:38 +0000 Subject: Re: [Linux-ia64] Replacements for local_irq_xxx() Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Thu, 10 May 2001 18:55:13 +1000, Keith Owens said: Keith> Existing local_irq_xxx() routines clear psr.i which masks all Keith> interrupts, including NMI. Then the only way to get the Keith> attention of a cpu in a disabled spin loop is via INIT which Keith> is too drastic. How about these alternatives which set Keith> cr.tpr.mmi instead, masking all external interrupts except Keith> NMI? I'd rather not do that. Accessing tpr is slow and requires explicit serialization. --david