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From: Dean Nelson <dcn@sgi.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mingo@elte.hu, linux-ia64@vger.kernel.org, linux-altix@sgi.com,
	edwardsg@sgi.com, linux-kernel@vger.kernel.org, akpm@osdl.org,
	anton.wilson@camotion.com
Subject: Re: [PATCH] MAX_USER_RT_PRIO and MAX_RT_PRIO are wrong!
Date: Tue, 07 Jun 2005 15:48:46 +0000	[thread overview]
Message-ID: <20050607154846.GA1253@sgi.com> (raw)
In-Reply-To: <1118143504.4533.21.camel@localhost.localdomain>

On Tue, Jun 07, 2005 at 07:25:04AM -0400, Steven Rostedt wrote:
> On Tue, 2005-06-07 at 07:33 +0200, Ingo Molnar wrote:
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> > 
> > > I tested the patch on an SMP machine where MAX_RT_PRIO = 100 and 
> > > MAX_USER_RT_PRIO = 99. Without the patch, the system crashes with a 
> > > reboot.
> > 
> > Acked-by: Ingo Molnar <mingo@elte.hu>
> 
> If this patch does go in, then xpc_activating in
> arch/ia64/sn/kernel/xpc_main.c (from rc6) also needs to use MAX_RT_PRIO
> instead of MAX_USER_RT_PRIO. Unless it is OK that it runs lower in
> priority than other kernel threads.

You are correct xpc_activating() needs to be changed to use MAX_RT_PRIO.
So please do add that change to your patch.

Thanks,
Dean


WARNING: multiple messages have this Message-ID (diff)
From: Dean Nelson <dcn@sgi.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mingo@elte.hu, linux-ia64@vger.kernel.org, linux-altix@sgi.com,
	edwardsg@sgi.com, linux-kernel@vger.kernel.org, akpm@osdl.org,
	anton.wilson@camotion.com
Subject: Re: [PATCH] MAX_USER_RT_PRIO and MAX_RT_PRIO are wrong!
Date: Tue, 7 Jun 2005 10:48:46 -0500	[thread overview]
Message-ID: <20050607154846.GA1253@sgi.com> (raw)
In-Reply-To: <1118143504.4533.21.camel@localhost.localdomain>

On Tue, Jun 07, 2005 at 07:25:04AM -0400, Steven Rostedt wrote:
> On Tue, 2005-06-07 at 07:33 +0200, Ingo Molnar wrote:
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> > 
> > > I tested the patch on an SMP machine where MAX_RT_PRIO = 100 and 
> > > MAX_USER_RT_PRIO = 99. Without the patch, the system crashes with a 
> > > reboot.
> > 
> > Acked-by: Ingo Molnar <mingo@elte.hu>
> 
> If this patch does go in, then xpc_activating in
> arch/ia64/sn/kernel/xpc_main.c (from rc6) also needs to use MAX_RT_PRIO
> instead of MAX_USER_RT_PRIO. Unless it is OK that it runs lower in
> priority than other kernel threads.

You are correct xpc_activating() needs to be changed to use MAX_RT_PRIO.
So please do add that change to your patch.

Thanks,
Dean


  reply	other threads:[~2005-06-07 15:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-07  2:46 [PATCH] MAX_USER_RT_PRIO and MAX_RT_PRIO are wrong! Steven Rostedt
2005-06-07  3:25 ` Steven Rostedt
2005-06-07  5:33 ` Ingo Molnar
2005-06-07 11:25   ` Steven Rostedt
2005-06-07 11:25     ` Steven Rostedt
2005-06-07 15:48     ` Dean Nelson [this message]
2005-06-07 15:48       ` Dean Nelson
2005-06-07 17:31       ` Steven Rostedt
2005-06-07 17:31         ` Steven Rostedt
2005-06-07 19:10         ` Dean Nelson
2005-06-07 19:10           ` Dean Nelson
2005-06-07 19:23           ` Steven Rostedt
2005-06-07 19:23             ` Steven Rostedt
2005-06-07 20:19             ` Dean Nelson
2005-06-07 20:19               ` Dean Nelson

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