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authorVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>2008-09-29 15:24:27 -0700
committerLen Brown <len.brown@intel.com>2008-10-16 17:59:44 -0400
commit887e301aa1105326f1412a98749024263b1031c7 (patch)
tree0079a925ac94cb0205858aba07dc2d9714a7ddc4 /Documentation/unaligned-memory-access.txt
parent3fa8749e584b55f1180411ab1b51117190bac1e5 (diff)
cpuidle: use last_state which can reflect the actual state entered
cpuidle accounts the idle time for the C-state it was trying to enter and not to the actual state that the driver eventually entered. The driver may select a different state than the one chosen by cpuidle due to constraints like bus-mastering, etc. Change the time acounting code to look at the dev->last_state after returning from target_state->enter(). Driver can modify dev->last_state internally, inside the enter routine to reflect the actual C-state entered. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/unaligned-memory-access.txt')
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