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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Richard Henderson <rth@twiddle.net>
Cc: linux-arch@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: Lots of possible arch breakage in cpu_idle!!
Date: Mon, 30 May 2005 10:37:47 +1000	[thread overview]
Message-ID: <429A605B.4050503@yahoo.com.au> (raw)
In-Reply-To: <20050529165557.GA19922@twiddle.net>

Richard Henderson wrote:
> On Sun, May 29, 2005 at 03:25:19PM +1000, Nick Piggin wrote:
> 
>>+++ linux-2.6/arch/alpha/kernel/process.c
> 
> ...
> 
>>+	set_thread_flag(TIF_POLLING_NRFLAG);
> 
> 
> Ok.
> 

Good.

> 
>>+			cpu_relax();
>>+		preempt_enable_no_resched();
>> 		schedule();
>>+		preempt_disable();
> 
> 
> Not ok.
> 
> 
>>+++ linux-2.6/arch/s390/kernel/smp.c	2005-05-29 14:21:42.000000000 +1000
>>@@ -528,6 +528,8 @@ extern void pfault_fini(void);
>> 
>> int __devinit start_secondary(void *cpuvoid)
>> {
>>+	preempt_disable();
> 
> 
> Not ok.
> 

I'll take it you meant:
+++ linux-2.6/arch/alpha/kernel/smp.c   2005-05-29 14:21:42.000000000 +1000

> Do not add the substring "preempt" to the alpha subtree.
> 

Sure. Thanks for the feedback.


-- 
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 

  parent reply	other threads:[~2005-05-30  0:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-29  5:25 Lots of possible arch breakage in cpu_idle!! Nick Piggin
2005-05-29  5:44 ` Andrew Morton
2005-05-29  8:45 ` William Lee Irwin III
2005-05-29 10:03   ` Nick Piggin
2005-05-29 10:13     ` William Lee Irwin III
2005-05-29 11:39       ` William Lee Irwin III
2005-05-29  9:42 ` William Lee Irwin III
2005-05-29 10:08   ` Nick Piggin
2005-05-29 10:14     ` William Lee Irwin III
2005-05-29 16:55 ` Richard Henderson
2005-05-29 20:41   ` David S. Miller
2005-05-29 20:56     ` Richard Henderson
2005-05-30  0:37   ` Nick Piggin [this message]
2005-05-30 11:01 ` Martin Schwidefsky
2005-05-30 11:18   ` Nick Piggin
2005-05-30 11:34     ` Martin Schwidefsky
2005-05-30 11:49       ` Nick Piggin
2005-05-31  8:56 ` David Howells
2005-05-31  9:02   ` Nick Piggin
2005-05-31  9:05     ` David Howells

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