Re: [PATCH RFC] schedutil: Address the r/w ordering race in kthread

On Wed, May 23, 2018 at 1:50 AM, Joel Fernandes (Google) wrote: > Currently there is a race in schedutil code for slow-switch single-CPU > systems. Fix it by enforcing ordering the write to work_in_progress to > happen before the read of next_freq. > > Kthread

Re: [PATCH RFC] schedutil: Address the r/w ordering race in kthread

On Wed, May 23, 2018 at 1:50 AM, Joel Fernandes (Google) wrote: > Currently there is a race in schedutil code for slow-switch single-CPU > systems. Fix it by enforcing ordering the write to work_in_progress to > happen before the read of next_freq. > > Kthread

Re: [PATCH RFC] schedutil: Address the r/w ordering race in kthread

Hi Joel, On 22/05/18 16:50, Joel Fernandes (Google) wrote: > Currently there is a race in schedutil code for slow-switch single-CPU > systems. Fix it by enforcing ordering the write to work_in_progress to > happen before the read of next_freq. > > Kthread

Re: [PATCH RFC] schedutil: Address the r/w ordering race in kthread

Hi Joel, On 22/05/18 16:50, Joel Fernandes (Google) wrote: > Currently there is a race in schedutil code for slow-switch single-CPU > systems. Fix it by enforcing ordering the write to work_in_progress to > happen before the read of next_freq. > > Kthread

Re: [PATCH RFC] schedutil: Address the r/w ordering race in kthread

On Tue, May 22, 2018 at 04:50:28PM -0700, Joel Fernandes (Google) wrote: > Currently there is a race in schedutil code for slow-switch single-CPU > systems. Fix it by enforcing ordering the write to work_in_progress to > happen before the read of next_freq. Aargh, s/before/after/. Commit log has

Re: [PATCH RFC] schedutil: Address the r/w ordering race in kthread

On Tue, May 22, 2018 at 04:50:28PM -0700, Joel Fernandes (Google) wrote: > Currently there is a race in schedutil code for slow-switch single-CPU > systems. Fix it by enforcing ordering the write to work_in_progress to > happen before the read of next_freq. Aargh, s/before/after/. Commit log has

[PATCH RFC] schedutil: Address the r/w ordering race in kthread

Currently there is a race in schedutil code for slow-switch single-CPU systems. Fix it by enforcing ordering the write to work_in_progress to happen before the read of next_freq. Kthread Sched update sugov_work()

[PATCH RFC] schedutil: Address the r/w ordering race in kthread

Currently there is a race in schedutil code for slow-switch single-CPU systems. Fix it by enforcing ordering the write to work_in_progress to happen before the read of next_freq. Kthread Sched update sugov_work()