Re: [ck] Re: Linus 2.6.23-rc1

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From: Michael Chang
Date: Saturday, July 28, 2007 - 6:18 am

On 7/27/07, Linus Torvalds <torvalds@linux-foundation.org> wrote:


I do recall there is one issue on which Con wouldn't budge -- anything
that involved boosting certain kinds of processes in the kernel. He
said that it would defeat the whole point of the way he had designed
it, and that nicing could work just as well. Perhaps there could have
been a better way of handling that issue, such as adding (yet another)
kernel compilation configuration option for this code (since Con
didn't believe it would help all users).


I don't know how you can blame Con for not finding a PPC oops before
SD was merged into -mm, considering he seemed to be coding solely on
an x86-based architecture. Of course, you could say that his design
should have factored in all the architectures and such, but even the
best design can fall apart if it doesn't get tested somewhere. Again,
this is probably a subjective case in that Con might have pushed SD to
-mm rather early; but considering the readership of his -ck list, I
don't think it would have been tested on anything other than X86 until
it went into -mm because I've ever seen anyone on -ck report "it works
on <something other than x86/x86-64/IA64>". I don't know what made it
on to other lists, but Con tried his best to fix this oops, and unless
it was done privately, this oops was never re-reported. (Now, if SD
was _STILL_ causing this oops on PPC, I can see how this might be a
concern.)


So if we found a better maintainer who would commit to maintaining the
SD patches, would you still be willing to consider merging them? Is
this what you're saying?


-- 
Michael Chang

Please avoid sending me Word or PowerPoint attachments. Send me ODT,
RTF, or HTML instead.
See http://www.gnu.org/philosophy/no-word-attachments.html
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Messages in current thread:
Linus 2.6.23-rc1, Linus Torvalds, (Sun Jul 22, 2:04 pm)
Re: Linus 2.6.23-rc1, Andre Noll, (Sun Jul 22, 3:10 pm)
Re: Linus 2.6.23-rc1, Andi Kleen, (Sun Jul 22, 3:22 pm)
Re: Linus 2.6.23-rc1, Andre Noll, (Sun Jul 22, 4:23 pm)
Re: Linus 2.6.23-rc1, Andi Kleen, (Sun Jul 22, 4:31 pm)
Re: Linus 2.6.23-rc1, Alistair John Strachan, (Sun Jul 22, 4:33 pm)
Re: Linus 2.6.23-rc1, Roland McGrath, (Sun Jul 22, 4:51 pm)
Re: Linus 2.6.23-rc1, Adrian Bunk, (Sun Jul 22, 5:07 pm)
Re: Linus 2.6.23-rc1, Roland McGrath, (Sun Jul 22, 5:31 pm)
Re: Linus 2.6.23-rc1, Gabriel C, (Sun Jul 22, 6:20 pm)
Re: Linus 2.6.23-rc1, Paul Mundt, (Sun Jul 22, 6:23 pm)
Re: Linus 2.6.23-rc1, Gabriel C, (Sun Jul 22, 6:27 pm)
Re: Linus 2.6.23-rc1, Paul Mundt, (Sun Jul 22, 6:40 pm)
Re: Linus 2.6.23-rc1, Adrian Bunk, (Sun Jul 22, 6:43 pm)
Re: Linus 2.6.23-rc1, Gabriel C, (Sun Jul 22, 7:48 pm)
Re: Linus 2.6.23-rc1, Greg KH, (Sun Jul 22, 9:11 pm)
Re: Linus 2.6.23-rc1, Jakub Jelinek, (Sun Jul 22, 11:07 pm)
Re: alpha, i386,mips,powerpc,ppc,xtensa compile brakage (w ..., Stephen Rothwell, (Mon Jul 23, 12:56 am)
Re: Linus 2.6.23-rc1: ACPI-related oops on x86_64, Mel Gorman, (Mon Jul 23, 2:50 am)
Re: Linus 2.6.23-rc1, xen fix, Ingo Molnar, (Mon Jul 23, 8:52 am)
Re: Linus 2.6.23-rc1, Gabriel C, (Mon Jul 23, 9:43 am)
Re: Linus 2.6.23-rc1, Ismail , (Mon Jul 23, 9:57 am)
Re: Linus 2.6.23-rc1: ACPI-related oops on x86_64, Len Brown, (Mon Jul 23, 10:15 am)
2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Mon Jul 23, 11:38 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Mon Jul 23, 12:01 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andrew Morton, (Mon Jul 23, 1:24 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Mon Jul 23, 1:40 pm)
Re: Linus 2.6.23-rc1, Alessandro Suardi, (Mon Jul 23, 1:44 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Mon Jul 23, 2:01 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andrew Morton, (Mon Jul 23, 2:11 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Mon Jul 23, 2:28 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Sam Ravnborg, (Mon Jul 23, 2:37 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Mon Jul 23, 3:04 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andrew Morton, (Mon Jul 23, 3:27 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Mon Jul 23, 10:20 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Jens Axboe, (Tue Jul 24, 1:17 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Jens Axboe, (Tue Jul 24, 1:22 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andrew Morton, (Tue Jul 24, 1:34 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Mike Galbraith, (Tue Jul 24, 3:01 am)
Re: Linus 2.6.23-rc1: ACPI-related oops on x86_64, Mel Gorman, (Tue Jul 24, 3:37 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Mike Galbraith, (Tue Jul 24, 3:37 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Dan Williams, (Tue Jul 24, 6:55 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Dan Williams, (Tue Jul 24, 7:00 am)
Re: Linus 2.6.23-rc1, Len Brown, (Tue Jul 24, 7:49 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andrew Morton, (Tue Jul 24, 9:28 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Adrian Bunk, (Tue Jul 24, 10:59 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Tue Jul 24, 11:14 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Tue Jul 24, 11:25 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andrew Morton, (Tue Jul 24, 11:28 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Tue Jul 24, 12:15 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Adrian Bunk, (Tue Jul 24, 12:40 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Tue Jul 24, 12:45 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Tue Jul 24, 12:48 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Alexey Dobriyan, (Tue Jul 24, 1:05 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Andi Kleen, (Tue Jul 24, 1:27 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Mike Galbraith, (Tue Jul 24, 10:09 pm)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Cyrill Gorcunov, (Wed Jul 25, 10:44 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Adrian Bunk, (Thu Jul 26, 11:07 am)
Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot(), Linus Torvalds, (Thu Jul 26, 11:19 am)
SD still better than CFS for 3d , Kasper Sandberg, (Fri Jul 27, 4:43 am)
Re: Linus 2.6.23-rc1, Kasper Sandberg, (Fri Jul 27, 7:04 pm)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Fri Jul 27, 7:35 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Grzegorz Kulewski, (Sat Jul 28, 12:09 am)
Re: [ck] Re: Linus 2.6.23-rc1, Matthew Hawkins, (Sat Jul 28, 12:36 am)
Re: Linus 2.6.23-rc1, Kasper Sandberg, (Sat Jul 28, 2:44 am)
Re: [ck] Re: Linus 2.6.23-rc1, Martin Steigerwald, (Sat Jul 28, 3:05 am)
Re: [ck] Re: Linus 2.6.23-rc1, Martin Steigerwald, (Sat Jul 28, 3:40 am)
Re: [ck] Re: Linus 2.6.23-rc1, Dirk Schoebel, (Sat Jul 28, 4:06 am)
Re: [ck] Re: Linus 2.6.23-rc1, Michael Chang, (Sat Jul 28, 6:18 am)
Re: Linus 2.6.23-rc1, Ronni Nielsen, (Sat Jul 28, 7:52 am)
Reporting bugs (was Re: [ck] Re: Linus 2.6.23-rc1), Stefan Richter, (Sat Jul 28, 9:10 am)
Re: Reporting bugs (was Re: [ck] Re: Linus 2.6.23-rc1), Michal Piotrowski, (Sat Jul 28, 9:21 am)
Re: [ck] Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 10:25 am)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 10:30 am)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 10:50 am)
Re: [ck] Re: Linus 2.6.23-rc1, jos poortvliet, (Sat Jul 28, 11:03 am)
Re: Linus 2.6.23-rc1, Kasper Sandberg, (Sat Jul 28, 11:07 am)
Re: [ck] Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 11:28 am)
Re: Linus 2.6.23-rc1, Jan Engelhardt, (Sat Jul 28, 12:13 pm)
Re: [ck] Re: Linus 2.6.23-rc1, jos poortvliet, (Sat Jul 28, 12:28 pm)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 12:34 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Bill Huey, (Sat Jul 28, 1:07 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 1:31 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Diego Calleja, (Sat Jul 28, 2:06 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Jory A. Pratt, (Sat Jul 28, 2:07 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Bill Huey, (Sat Jul 28, 2:32 pm)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 2:33 pm)
Re: Linus 2.6.23-rc1, Jan Engelhardt, (Sat Jul 28, 2:55 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 3:18 pm)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sat Jul 28, 3:22 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Con Kolivas, (Sat Jul 28, 5:03 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Bill Huey, (Sat Jul 28, 6:00 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Charles philip Chan, (Sat Jul 28, 6:23 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Diego Calleja, (Sun Jul 29, 7:31 am)
Re: Linus 2.6.23-rc1, Ingo Molnar, (Sun Jul 29, 8:04 am)
Re: [ck] Re: Linus 2.6.23-rc1, Martin Steigerwald, (Sun Jul 29, 11:31 am)
Re: [ck] Re: Linus 2.6.23-rc1, Mike Galbraith, (Sun Jul 29, 1:25 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Bill Huey, (Sun Jul 29, 2:48 pm)
Re: Linus 2.6.23-rc1, George Sescher, (Sun Jul 29, 4:04 pm)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sun Jul 29, 4:18 pm)
Re: Linus 2.6.23-rc1, George Sescher, (Sun Jul 29, 4:38 pm)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Sun Jul 29, 4:58 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Mike Galbraith, (Sun Jul 29, 10:03 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Matthew Hawkins, (Sun Jul 29, 10:12 pm)
Re: Linus 2.6.23-rc1, Ingo Molnar, (Sun Jul 29, 11:44 pm)
Re: Linus 2.6.23-rc1, George Sescher, (Mon Jul 30, 12:06 am)
Re: Linus 2.6.23-rc1, Ingo Molnar, (Mon Jul 30, 12:55 am)
Re: Linus 2.6.23-rc1, George Sescher, (Mon Jul 30, 2:26 am)
Re: Linus 2.6.23-rc1, Ingo Molnar, (Mon Jul 30, 3:26 am)
Re: Linus 2.6.23-rc1, Kasper Sandberg, (Mon Jul 30, 9:13 am)
Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1), Kasper Sandberg, (Mon Jul 30, 4:46 pm)
Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1), Peter Zijlstra, (Mon Jul 30, 11:31 pm)
Re: Linus 2.6.23-rc1, Bill Huey, (Tue Jul 31, 3:05 am)
Re: Linus 2.6.23-rc1, Ingo Molnar, (Tue Jul 31, 7:04 am)
Re: Linus 2.6.23-rc1, Linus Torvalds, (Tue Jul 31, 8:44 am)
Re: [ck] Re: Linus 2.6.23-rc1, Roman Zippel, (Tue Jul 31, 9:17 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Carlo Florendo, (Tue Jul 31, 10:46 pm)
RE: [ck] Re: Linus 2.6.23-rc1, Hua Zhong, (Tue Jul 31, 11:16 pm)
RE: [ck] Re: Linus 2.6.23-rc1 -- It does not matter who's ..., Arjan van de Ven, (Wed Aug 1, 12:05 am)
Re: [ck] Re: Linus 2.6.23-rc1, Carlo Florendo, (Wed Aug 1, 12:09 am)
Re: Linus 2.6.23-rc1, Jan Engelhardt, (Wed Aug 1, 2:21 am)
Re: [ck] Re: Linus 2.6.23-rc1, Alan Cox, (Wed Aug 1, 5:31 am)
Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1), Kasper Sandberg, (Wed Aug 1, 4:43 pm)
Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1), J. Bruce Fields, (Thu Aug 2, 6:03 am)
Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1), Trond Myklebust, (Thu Aug 2, 6:39 am)
Re: [ck] Re: Linus 2.6.23-rc1, Daniel Phillips, (Mon Aug 6, 11:55 pm)
Re: [ck] Re: Linus 2.6.23-rc1, Alan Cox, (Tue Aug 7, 8:33 am)
Re: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1), Kasper Sandberg, (Wed Aug 8, 7:38 am)