[tip: sched/core] sched/fair: Scale bandwidth quota and period without losing quota/period ratio precision

2019-10-09 Thread tip-bot2 for Xuewei Zhang
The following commit has been merged into the sched/core branch of tip: Commit-ID: 4929a4e6faa0f13289a67cae98139e727f0d4a97 Gitweb: https://git.kernel.org/tip/4929a4e6faa0f13289a67cae98139e727f0d4a97 Author:Xuewei Zhang AuthorDate:Thu, 03 Oct 2019 17:12:43 -07:00

[tip: sched/urgent] sched/fair: Scale bandwidth quota and period without losing quota/period ratio precision

2019-10-09 Thread tip-bot2 for Xuewei Zhang
The following commit has been merged into the sched/urgent branch of tip: Commit-ID: 4929a4e6faa0f13289a67cae98139e727f0d4a97 Gitweb: https://git.kernel.org/tip/4929a4e6faa0f13289a67cae98139e727f0d4a97 Author:Xuewei Zhang AuthorDate:Thu, 03 Oct 2019 17:12:43 -07:00

Re: [PATCH] sched/fair: scale quota and period without losing quota/period ratio precision

2019-10-07 Thread Xuewei Zhang
On Mon, Oct 7, 2019 at 8:14 AM Phil Auld wrote: > > On Thu, Oct 03, 2019 at 05:12:43PM -0700 Xuewei Zhang wrote: > > quota/period ratio is used to ensure a child task group won't get more > > bandwidth than the parent task group, and is calculated as: > > normalized_c

Re: [PATCH] sched/fair: scale quota and period without losing quota/period ratio precision

2019-10-04 Thread Xuewei Zhang
On Fri, Oct 4, 2019 at 6:14 AM Phil Auld wrote: > > On Thu, Oct 03, 2019 at 07:05:56PM -0700 Xuewei Zhang wrote: > > +cc neeln...@google.com and hao...@google.com, they helped a lot > > for this issue. Sorry I forgot to include them when sending out the patch. > > > &g

Re: [PATCH] sched/fair: scale quota and period without losing quota/period ratio precision

2019-10-03 Thread Xuewei Zhang
+cc neeln...@google.com and hao...@google.com, they helped a lot for this issue. Sorry I forgot to include them when sending out the patch. On Thu, Oct 3, 2019 at 5:55 PM Phil Auld wrote: > > Hi, > > On Thu, Oct 03, 2019 at 05:12:43PM -0700 Xuewei Zhang wrote: > > quota/perio

[PATCH] sched/fair: scale quota and period without losing quota/period ratio precision

2019-10-03 Thread Xuewei Zhang
ich will be larger than the parent cgroup ratio (104821), and will fail. Scaling them by a factor of 2 will fix the problem. Fixes: 2e8e19226398 ("sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup") Signed-off-by: Xuewei Zhang --- ker

Re: [PATCH] scsi: sd: fix entropy gathering for most rotational disks

2019-02-12 Thread Xuewei Zhang
ly if the device actually reports being non-rotational via > >> the VPD page. > > > > Reviewed-by: Jens Axboe Reviewed-by: Xuewei Zhang > > Yeah, this looks good to me. I'll queue it up for fixes. > > -- > Martin K. Petersen Oracle Linux Engineering