Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-03 Thread Byungchul Park
On 2018-06-04 03:47, Joel Fernandes wrote: On Sun, Jun 03, 2018 at 04:51:06PM +0900, Byungchul Park wrote: On Sun, Jun 3, 2018 at 3:23 PM, Joel Fernandes wrote: On Sun, Jun 03, 2018 at 02:38:04PM +0900, Byungchul Park wrote: On Sun, Jun 3, 2018 at 12:58 PM, Joel Fernandes wrote: On Fri, Jun

Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-03 Thread Joel Fernandes
On Sun, Jun 03, 2018 at 04:51:06PM +0900, Byungchul Park wrote: > On Sun, Jun 3, 2018 at 3:23 PM, Joel Fernandes wrote: > > On Sun, Jun 03, 2018 at 02:38:04PM +0900, Byungchul Park wrote: > >> On Sun, Jun 3, 2018 at 12:58 PM, Joel Fernandes > >> wrote: > >> > On Fri, Jun 01, 2018 at 11:03:09AM +

Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-03 Thread Byungchul Park
On Sun, Jun 3, 2018 at 3:23 PM, Joel Fernandes wrote: > On Sun, Jun 03, 2018 at 02:38:04PM +0900, Byungchul Park wrote: >> On Sun, Jun 3, 2018 at 12:58 PM, Joel Fernandes >> wrote: >> > On Fri, Jun 01, 2018 at 11:03:09AM +0900, Byungchul Park wrote: >> >> Currently, the range of jiffies_till_{fi

Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-02 Thread Joel Fernandes
On Sun, Jun 03, 2018 at 02:38:04PM +0900, Byungchul Park wrote: > On Sun, Jun 3, 2018 at 12:58 PM, Joel Fernandes > wrote: > > On Fri, Jun 01, 2018 at 11:03:09AM +0900, Byungchul Park wrote: > >> Currently, the range of jiffies_till_{first,next}_fqs are checked and > >> adjusted on and on in the

Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-02 Thread Byungchul Park
On Sun, Jun 3, 2018 at 12:58 PM, Joel Fernandes wrote: > On Fri, Jun 01, 2018 at 11:03:09AM +0900, Byungchul Park wrote: >> Currently, the range of jiffies_till_{first,next}_fqs are checked and >> adjusted on and on in the loop of rcu_gp_kthread on runtime. >> >> However, it's enough to check them

Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-02 Thread Joel Fernandes
On Fri, Jun 01, 2018 at 11:03:09AM +0900, Byungchul Park wrote: > Currently, the range of jiffies_till_{first,next}_fqs are checked and > adjusted on and on in the loop of rcu_gp_kthread on runtime. > > However, it's enough to check them only when setting them, not every > time in the loop. So mak

Re: [PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-06-02 Thread Paul E. McKenney
On Fri, Jun 01, 2018 at 11:03:09AM +0900, Byungchul Park wrote: > Currently, the range of jiffies_till_{first,next}_fqs are checked and > adjusted on and on in the loop of rcu_gp_kthread on runtime. > > However, it's enough to check them only when setting them, not every > time in the loop. So mak

[PATCH] rcu: Check the range of jiffies_till_{first,next}_fqs when setting them

2018-05-31 Thread Byungchul Park
Currently, the range of jiffies_till_{first,next}_fqs are checked and adjusted on and on in the loop of rcu_gp_kthread on runtime. However, it's enough to check them only when setting them, not every time in the loop. So make them handled on a setting time via sysfs. Signed-off-by: Byungchul Park