Hi Peter,
I love your patch! Yet something to improve:
[auto build test ERROR on tip/perf/core]
[also build test ERROR on arm64/for-next/core arm-perf/for-next/perf
linus/master v5.7-rc5 next-20200512]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the
On Tue, May 12, 2020 at 10:03:01PM +0800, Leo Yan wrote:
> > + if (userpg->shift == 32) {
>
> Thanks a lot for the patch set, some typos:
>
> s/shift/time_shift
>
> > + userpg->shift = 31;
>
> s/shift/time_shift
Blergh.. so much for me not taking the time to dig out the arm64
Hi Peter,
On Tue, May 12, 2020 at 02:41:00PM +0200, Peter Zijlstra wrote:
> As reported by Leo; the existing implementation is broken when the
> clock and counter don't intersect at 0.
>
> Use the sched_clock's struct clock_read_data information to correctly
> implement cap_user_time and
As reported by Leo; the existing implementation is broken when the
clock and counter don't intersect at 0.
Use the sched_clock's struct clock_read_data information to correctly
implement cap_user_time and cap_user_time_zero.
Note that the ARM64 counter is architecturally only guaranteed to be
4 matches
Mail list logo
