git: x86_64: Add new sysctls to set idle/spin mwait hint

[Sepherosa Ziehau]

commit 29b3380024526fcc6e9c163df6abfc37f0587d77
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Fri Jan 31 20:02:08 2014 +0800

    x86_64: Add new sysctls to set idle/spin mwait hint
    
    These sysctls verify that the mwait hint is supported.  It's format is:
    C-state/sub-state.  The valid one could be picked up from the output of
    sysctl machdep.mwait.CX.supported.
    
    Sysctls hw.cpu_mwait_{halt,spin} should be deprecated.
    
    While I'm here, rearrange cpu_mwait_hint_valid() a little bit.

Summary of changes:
 sys/platform/pc64/x86_64/machdep.c | 75 +++++++++++++++++++++++++++++++++++---
 1 file changed, 70 insertions(+), 5 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/29b3380024526fcc6e9c163df6abfc37f0587d77


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