On 2019/11/2 5:19, Marcelo Tosatti wrote:
On Sat, Oct 26, 2019 at 11:23:58AM +0800, Zhenzhong Duan wrote:
dev->poll_limit_ns could be zeroed in certain cases (e.g. by
guest_halt_poll_shrink). If guest_halt_poll_grow_start is zero,
dev->poll_limit_ns will never be larger than zero.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
---
drivers/cpuidle/governors/haltpoll.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
I would rather disallow setting grow_start to zero rather
than silently setting it to one on the back of the user.
Ok, will do.
Thanks
Zhenzhong