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CVS commit: src/sys/dev/acpi

Module Name:    src
Committed By:   jmcneill
Date:           Thu Aug  4 23:22:30 UTC 2011

Modified Files:
        src/sys/dev/acpi: acpi_cpu_cstate.c

Log Message:
Don't treat C2 states as C1 if the _CST package doesn't have an entry
for C1. ACPI mandates C1 so if it's not present in the _CST package use
the HLT method. Fixes all sorts of performance regressions on AMD CPUs.

To generate a diff of this commit:
cvs rdiff -u -r1.54 -r1.55 src/sys/dev/acpi/acpi_cpu_cstate.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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