On 2015/2/13 0:24, Rafael J. Wysocki wrote: > On Thursday, February 12, 2015 02:26:43 PM Peter Zijlstra wrote: >> >> Why bother with enter_freeze() for any but the deepest state (C6 in this >> case)? > > User space may disable the deepest one (and any of them in general) via sysfs > and there's no good reason to ignore its choice in this particular case while > we're honoring it otherwise. > > So the logic is basically "find the deepest one which isn't disabled" and > setting the pointers costs us nothing really. > If the user has chance to disable C6 via /sys, that means c6 works? Shouldn't we ignore user space setting during freeze? Otherwise, we will lost S0ix? Thanks, -Aubrey -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
