Re: 2.6.22-rc1-mm1 [cannot change thermal trip points]

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From: Matthew Garrett

Subject: Re: 2.6.22-rc1-mm1 [cannot change thermal trip points]

Date: Monday, May 21, 2007 - 6:36 am

On Mon, May 21, 2007 at 03:29:48PM +0200, Pavel Machek wrote:
quoted text> > > No. Manually turning off fans is even worse hack.
> > 
> > It's significantly more correct.
> 
> Significantly more correct? It forces you to do all the thermal
> management in userspace!

Why's that a problem? Overriding the hardware policy has to be done 
somewhere, and doing it in userspace is no more dangerous than 
kernelspace.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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Messages in current thread:

2.6.22-rc1-mm1, Andrew Morton, (Tue May 15, 8:19 pm)

Re: 2.6.22-rc1-mm1, KAMEZAWA Hiroyuki, (Tue May 15, 11:06 pm)

Re: 2.6.22-rc1-mm1 - s390 vs. md, Cornelia Huck, (Wed May 16, 12:57 am)

Re: 2.6.22-rc1-mm1, Jeff Garzik, (Wed May 16, 12:58 am)

Re: 2.6.22-rc1-mm1, Andrew Morton, (Wed May 16, 1:04 am)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Wed May 16, 3:18 am)

(NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Jiri Slaby, (Wed May 16, 5:10 am)

Re: (NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Nick Piggin, (Wed May 16, 5:39 am)

Re: (NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Jiri Slaby, (Wed May 16, 5:44 am)

Re: (NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Nick Piggin, (Wed May 16, 5:47 am)

Re: (NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Trond Myklebust, (Wed May 16, 5:52 am)

Re: (NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Trond Myklebust, (Wed May 16, 6:00 am)

Re: (NFS) BUG: at page-writeback.c:829 [Was: 2.6.22-rc1-mm1], Nick Piggin, (Wed May 16, 6:06 am)

Re: 2.6.22-rc1-mm1, Michal Piotrowski, (Wed May 16, 7:30 am)

Re: 2.6.22-rc1-mm1, Nick Piggin, (Wed May 16, 7:37 am)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Wed May 16, 8:16 am)

Re: 2.6.22-rc1-mm1, Jeff Garzik, (Wed May 16, 8:33 am)

Re: 2.6.22-rc1-mm1, Gabriel C, (Wed May 16, 8:34 am)

Re: 2.6.22-rc1-mm1, Michal Piotrowski, (Wed May 16, 9:24 am)

Re: 2.6.22-rc1-mm1, Andrew Morton, (Wed May 16, 9:41 am)

Re: 2.6.22-rc1-mm1, Randy Dunlap, (Wed May 16, 9:50 am)

Re: 2.6.22-rc1-mm1, Randy Dunlap, (Wed May 16, 9:54 am)

Re: 2.6.22-rc1-mm1, Richard Purdie, (Wed May 16, 10:00 am)

Re: 2.6.22-rc1-mm1, Andrew Morton, (Wed May 16, 10:06 am)

RE: 2.6.22-rc1-mm1 - s390 vs. md, Williams, Dan J, (Wed May 16, 10:21 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Maciej Rutecki, (Wed May 16, 10:37 am)

Re: 2.6.22-rc1-mm1, Mel Gorman, (Wed May 16, 10:40 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Chuck Ebbert, (Wed May 16, 10:47 am)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Wed May 16, 10:55 am)

Re: 2.6.22-rc1-mm1, Andrew Morton, (Wed May 16, 11:00 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Goulven Guillard, (Wed May 16, 11:10 am)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Wed May 16, 11:18 am)

2.6.22-rc1-mm1: IDE compile error, Adrian Bunk, (Wed May 16, 11:55 am)

Re: 2.6.22-rc1-mm1, Richard Purdie, (Wed May 16, 12:55 pm)

Re: 2.6.22-rc1-mm1, Richard Purdie, (Wed May 16, 1:00 pm)

Re: 2.6.22-rc1-mm1, Darrick J. Wong, (Wed May 16, 1:24 pm)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Wed May 16, 4:32 pm)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Wed May 16, 4:36 pm)

Re: 2.6.22-rc1-mm1, David Chinner, (Wed May 16, 7:06 pm)

Re: 2.6.22-rc1-mm1, Bharata B Rao, (Wed May 16, 9:16 pm)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, Christoph Hellwig, (Thu May 17, 1:41 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Thu May 17, 2:23 am)

Re: 2.6.22-rc1-mm1, Mel Gorman, (Thu May 17, 2:35 am)

Re: 2.6.22-rc1-mm1 - Call trace in slub_def.h, Reuben Farrelly, (Thu May 17, 5:38 am)

Re: 2.6.22-rc1-mm1 - Call trace in slub_def.h, Satyam Sharma, (Thu May 17, 5:52 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Maciej Rutecki, (Thu May 17, 6:36 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Len Brown, (Thu May 17, 12:08 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Len Brown, (Thu May 17, 12:17 pm)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, Michal Piotrowski, (Thu May 17, 1:05 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Maciej Rutecki, (Thu May 17, 1:09 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Maciej Rutecki, (Thu May 17, 1:42 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Thu May 17, 2:52 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Thu May 17, 2:53 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Len Brown, (Thu May 17, 3:35 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Len Brown, (Thu May 17, 3:42 pm)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, David Chinner, (Thu May 17, 7:11 pm)

Re: 2.6.22-rc1-mm1, young dave, (Fri May 18, 1:54 am)

Re: 2.6.22-rc1-mm1, young dave, (Fri May 18, 3:07 am)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Fri May 18, 9:54 am)

Re: 2.6.22-rc1-mm1, Mel Gorman, (Fri May 18, 9:59 am)

Re: 2.6.22-rc1-mm1, Edward Shishkin, (Fri May 18, 10:34 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Thomas Renninger, (Sat May 19, 12:56 pm)

Re: 2.6.22-rc1-mm1, Mariusz Kozlowski, (Sun May 20, 3:12 am)

Re: 2.6.22-rc1-mm1, Sam Ravnborg, (Sun May 20, 3:21 am)

Re: 2.6.22-rc1-mm1, Kumar Gala, (Sun May 20, 8:33 am)

Re: 2.6.22-rc1-mm1, young dave, (Sun May 20, 5:53 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Len Brown, (Sun May 20, 8:50 pm)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Sun May 20, 9:49 pm)

Re: 2.6.22-rc1-mm1, young dave, (Sun May 20, 10:00 pm)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Sun May 20, 10:03 pm)

Re: 2.6.22-rc1-mm1, young dave, (Sun May 20, 10:39 pm)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, David Chinner, (Mon May 21, 3:11 am)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, Christoph Hellwig, (Mon May 21, 3:23 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Thomas Renninger, (Mon May 21, 4:31 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon May 21, 5:10 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon May 21, 5:11 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Matthew Garrett, (Mon May 21, 6:27 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon May 21, 6:29 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Matthew Garrett, (Mon May 21, 6:36 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon May 21, 6:40 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Matthew Garrett, (Mon May 21, 6:45 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon May 21, 3:42 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Matthew Garrett, (Mon May 21, 5:31 pm)

Re: 2.6.22-rc1-mm1: evm BUG when reading sysfs file, Joseph Fannin, (Tue May 22, 12:25 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Tue May 22, 2:06 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Matthew Garrett, (Tue May 22, 2:16 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Goulven Guillard, (Tue May 22, 2:28 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Maciej Rutecki, (Tue May 22, 3:05 am)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, David Chinner, (Tue May 22, 3:44 am)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, Christoph Hellwig, (Tue May 22, 4:42 am)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, Michal Piotrowski, (Tue May 22, 7:45 am)

Re: 2.6.22-rc1-mm1: evm BUG when reading sysfs file, Andrew Morton, (Tue May 22, 2:23 pm)

Re: [xfs-masters] Re: 2.6.22-rc1-mm1, Nathan Scott, (Tue May 22, 4:23 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, Bartlomiej Zolnierki ..., (Wed May 23, 4:45 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, Alan Cox, (Thu May 24, 3:55 am)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Thomas Renninger, (Thu May 24, 7:16 am)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Matthew Garrett, (Thu May 24, 7:36 am)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Thomas Renninger, (Thu May 24, 11:18 am)

Re: 2.6.22-rc1-mm1: IDE compile error, H. Peter Anvin, (Thu May 24, 11:53 am)

Re: 2.6.22-rc1-mm1: IDE compile error, H. Peter Anvin, (Thu May 24, 5:05 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, Alan Cox, (Thu May 24, 5:14 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, H. Peter Anvin, (Thu May 24, 5:18 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, Alan Cox, (Thu May 24, 5:38 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, H. Peter Anvin, (Thu May 24, 5:51 pm)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Pavel Machek, (Thu May 24, 11:38 pm)

Re: 2.6.22-rc1-mm1: IDE compile error, Alan Cox, (Fri May 25, 7:19 am)

Re: 2.6.22-rc1-mm1: evm BUG when reading sysfs file, Mimi Zohar, (Fri May 25, 2:05 pm)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Matthew Garrett, (Sun May 27, 2:51 pm)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Pavel Machek, (Mon May 28, 3:58 am)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Matthew Garrett, (Mon May 28, 5:50 am)

Re: 2.6.22-rc1-mm1 Implementing fan/thermal control in use ..., Pavel Machek, (Mon May 28, 5:53 am)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Tue May 29, 3:34 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Len Brown, (Thu May 31, 7:46 pm)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Fri Jun 1, 2:50 am)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Fri Jun 1, 4:12 pm)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Stefan Seyfried, (Mon Jun 4, 2:02 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Stefan Seyfried, (Mon Jun 4, 2:13 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon Jun 4, 4:06 am)

Re: 2.6.22-rc1-mm1 [cannot change thermal trip points], Pavel Machek, (Mon Jun 4, 4:16 am)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Tue Jun 5, 11:38 am)

Re: 2.6.22-rc1-mm1, H. Peter Anvin, (Tue Jun 5, 3:57 pm)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Thu Jun 7, 2:49 am)

Re: 2.6.22-rc1-mm1, Andy Whitcroft, (Mon Jun 11, 6:58 am)