git: acpi/cstate: If C3+ is detected, BM_RLD is always set

[Sepherosa Ziehau]

commit 8b48ec4d0c89e81bb32516d598018f54a0065da4
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Sun Jan 26 17:00:24 2014 +0800

    acpi/cstate: If C3+ is detected, BM_RLD is always set
    
    BM_RLD is only needed on old chipsets; on new chipsets, writing to
    it is a nop.  Always leave it on if C3+ is probed; this reduce I/O
    accesses on idle path.

Summary of changes:
 sys/dev/acpica/acpi_cpu_cstate.c | 65 +++++++++++++++++++++++++++++++++-------
 1 file changed, 54 insertions(+), 11 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/8b48ec4d0c89e81bb32516d598018f54a0065da4


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