diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-29 14:18:09 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-29 14:18:09 -0400 |
commit | f310642123e0d32d919c60ca3fab5acd130c4ba3 (patch) | |
tree | f3844152e2e8c0fdd01621a400f84c8a159252a0 /Documentation | |
parent | ef1d57599dc904fdb31b8e9b5336350d21a1fde1 (diff) | |
parent | 5d4c47e0195b989f284907358bd5c268a44b91c7 (diff) |
Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6
* 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6:
x86 idle: deprecate mwait_idle() and "idle=mwait" cmdline param
x86 idle: deprecate "no-hlt" cmdline param
x86 idle APM: deprecate CONFIG_APM_CPU_IDLE
x86 idle floppy: deprecate disable_hlt()
x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) only when APM demands it
x86 idle: clarify AMD erratum 400 workaround
idle governor: Avoid lock acquisition to read pm_qos before entering idle
cpuidle: menu: fixed wrapping timers at 4.294 seconds
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/feature-removal-schedule.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index ff31b1cc50aa..1a9446b59153 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt | |||
@@ -6,6 +6,42 @@ be removed from this file. | |||
6 | 6 | ||
7 | --------------------------- | 7 | --------------------------- |
8 | 8 | ||
9 | What: x86 floppy disable_hlt | ||
10 | When: 2012 | ||
11 | Why: ancient workaround of dubious utility clutters the | ||
12 | code used by everybody else. | ||
13 | Who: Len Brown <len.brown@intel.com> | ||
14 | |||
15 | --------------------------- | ||
16 | |||
17 | What: CONFIG_APM_CPU_IDLE, and its ability to call APM BIOS in idle | ||
18 | When: 2012 | ||
19 | Why: This optional sub-feature of APM is of dubious reliability, | ||
20 | and ancient APM laptops are likely better served by calling HLT. | ||
21 | Deleting CONFIG_APM_CPU_IDLE allows x86 to stop exporting | ||
22 | the pm_idle function pointer to modules. | ||
23 | Who: Len Brown <len.brown@intel.com> | ||
24 | |||
25 | ---------------------------- | ||
26 | |||
27 | What: x86_32 "no-hlt" cmdline param | ||
28 | When: 2012 | ||
29 | Why: remove a branch from idle path, simplify code used by everybody. | ||
30 | This option disabled the use of HLT in idle and machine_halt() | ||
31 | for hardware that was flakey 15-years ago. Today we have | ||
32 | "idle=poll" that removed HLT from idle, and so if such a machine | ||
33 | is still running the upstream kernel, "idle=poll" is likely sufficient. | ||
34 | Who: Len Brown <len.brown@intel.com> | ||
35 | |||
36 | ---------------------------- | ||
37 | |||
38 | What: x86 "idle=mwait" cmdline param | ||
39 | When: 2012 | ||
40 | Why: simplify x86 idle code | ||
41 | Who: Len Brown <len.brown@intel.com> | ||
42 | |||
43 | ---------------------------- | ||
44 | |||
9 | What: PRISM54 | 45 | What: PRISM54 |
10 | When: 2.6.34 | 46 | When: 2.6.34 |
11 | 47 | ||