git: acpi/cstate: Detect and fix duplicated C-states

Sepherosa Ziehau sephe at crater.dragonflybsd.org
Sun Mar 15 19:43:45 PDT 2015


commit 4221f7280cb32cbd2292001d52653e01a71872c9
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Sun Mar 15 19:28:40 2015 +0800

    acpi/cstate: Detect and fix duplicated C-states
    
    Some buggy BIOSes create two C2 states, however, the latter one is
    obviously C3.  Add tunable hw.acpi.cpu.cst.check_duplicated to detect
    and fix this bug; it is not enabled by default.

Summary of changes:
 sys/dev/acpica/acpi_cpu_cstate.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4221f7280cb32cbd2292001d52653e01a71872c9


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