https://bugzilla.kernel.org/show_bug.cgi?id=5471
--- Comment #17 from Len Brown l...@kernel.org 2010-12-11 04:31:00 ---
My original plan was to add a play_dead to cpuidle drivers,
but I think that peter's solution is simpler, and solves
90% of the problem, which is to say, all the x86
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Len Brown l...@kernel.org changed:
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is obsolete|
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--- Comment #19 from Len Brown l...@kernel.org 2010-12-11 04:44:30 ---
Created an attachment (id=39782)
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patch vs 2.6.35.y
tested on 2.6.35.9
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--- Comment #11 from Len Brown l...@kernel.org 2010-12-09 22:30:17 ---
Created an attachment (id=39662)
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patch vs 2.6.36.y
This patch vs 2.6.36.y consolidates 3 patches upstream in
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--- Comment #12 from Thomas Renninger tr...@suse.de 2010-12-09 23:08:03 ---
This should not hold the patch off (took long enough until there finally showed
up a solution), just two comments:
It looks like this patch re-implements deep sleep
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--- Comment #13 from H. Peter Anvin h...@zytor.com 2010-12-09 23:16:47 ---
Play dead and go to sleep are not necessarily the same things -- in
particular, there may be operations that are appropriate when going to sleep
but not when offlining
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--- Comment #14 from Thomas Renninger tr...@suse.de 2010-12-09 23:30:31 ---
there may be operations that are appropriate when going to sleep but not when
offlining -- e.g. invoking ACPI routines
Going to ACPI driven sleep states from
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--- Comment #15 from H. Peter Anvin h...@zytor.com 2010-12-09 23:33:14 ---
No, it should be cpuidle_play_dead() if anything.
There is no double sleep. The play_dead routines never return if successful.
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--- Comment #16 from Thomas Renninger tr...@suse.de 2010-12-10 00:10:59 ---
Thanks.
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--- Comment #7 from Abhishek J abhir...@gmail.com 2010-02-17 21:44:22 ---
hello all, i finally got time around to patch and test this.
patched 2.6.32-5 with the `unaccepted patch` and it seems to work.
reduction of about 4-5 W per core shut
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Alan a...@lxorguk.ukuu.org.uk changed:
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Venkatesh Pallipadi venkatesh.pallip...@intel.com changed:
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