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Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 timer update from Ingo Molnar:
 "This tree includes HPET fixes and also implements a calibration-free,
  TSC match driven APIC timer interrupt mode: 'TSC deadline mode'
  supported in SandyBridge and later CPUs."

* 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: hpet: Fix inverted return value check in arch_setup_hpet_msi()
  x86: hpet: Fix masking of MSI interrupts
  x86: apic: Use tsc deadline for oneshot when available
This commit is contained in:
Linus Torvalds 2012-12-11 20:01:33 -08:00
commit 1ebaf4f4e6
5 changed files with 64 additions and 24 deletions
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4
Documentation/kernel-parameters.txt
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@ -1304,6 +1304,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
lapic [X86-32,APIC] Enable the local APIC even if BIOS
disabled it.
lapic= [x86,APIC] "notscdeadline" Do not use TSC deadline
value for LAPIC timer one-shot implementation. Default
back to the programmable timer unit in the LAPIC.
lapic_timer_c2_ok [X86,APIC] trust the local apic timer
in C2 power state.