Re: [RFC PATCH] cpuidle: Remove the default poll idle loop

2015-05-13 Thread Rafael J. Wysocki
On Thursday, May 07, 2015 06:56:20 PM Daniel Lezcano wrote: > The poll idle loop is useful only for the *menu* governor: when there > is a timer about to shutdown very soon (less than 5us), then we default > to the poll idle if no other idle state is found, otherwise the 'hlt' > state is the defaul

Re: [RFC PATCH] cpuidle: Remove the default poll idle loop

2015-05-13 Thread Rafael J. Wysocki
On Thursday, May 07, 2015 06:56:20 PM Daniel Lezcano wrote: > The poll idle loop is useful only for the *menu* governor: when there > is a timer about to shutdown very soon (less than 5us), then we default > to the poll idle if no other idle state is found, otherwise the 'hlt' > state is the defaul

[RFC PATCH] cpuidle: Remove the default poll idle loop

2015-05-07 Thread Daniel Lezcano
The poll idle loop is useful only for the *menu* governor: when there is a timer about to shutdown very soon (less than 5us), then we default to the poll idle if no other idle state is found, otherwise the 'hlt' state is the default. The poll idle state is x86 specific, hence leading to the DRIVER