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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-29 22:18:09 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-29 22:18:09 +0400 |
| commit | f310642123e0d32d919c60ca3fab5acd130c4ba3 (patch) | |
| tree | f3844152e2e8c0fdd01621a400f84c8a159252a0 /Documentation/feature-removal-schedule.txt | |
| parent | ef1d57599dc904fdb31b8e9b5336350d21a1fde1 (diff) | |
| parent | 5d4c47e0195b989f284907358bd5c268a44b91c7 (diff) | |
| download | linux-f310642123e0d32d919c60ca3fab5acd130c4ba3.tar.xz | |
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/feature-removal-schedule.txt')
| -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. --------------------------- +What: x86 floppy disable_hlt +When: 2012 +Why: ancient workaround of dubious utility clutters the + code used by everybody else. +Who: Len Brown <len.brown@intel.com> + +--------------------------- + +What: CONFIG_APM_CPU_IDLE, and its ability to call APM BIOS in idle +When: 2012 +Why: This optional sub-feature of APM is of dubious reliability, + and ancient APM laptops are likely better served by calling HLT. + Deleting CONFIG_APM_CPU_IDLE allows x86 to stop exporting + the pm_idle function pointer to modules. +Who: Len Brown <len.brown@intel.com> + +---------------------------- + +What: x86_32 "no-hlt" cmdline param +When: 2012 +Why: remove a branch from idle path, simplify code used by everybody. + This option disabled the use of HLT in idle and machine_halt() + for hardware that was flakey 15-years ago. Today we have + "idle=poll" that removed HLT from idle, and so if such a machine + is still running the upstream kernel, "idle=poll" is likely sufficient. +Who: Len Brown <len.brown@intel.com> + +---------------------------- + +What: x86 "idle=mwait" cmdline param +When: 2012 +Why: simplify x86 idle code +Who: Len Brown <len.brown@intel.com> + +---------------------------- + What: PRISM54 When: 2.6.34 |