Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1660280
| From | Omar Sandoval <osandov@osandov.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 7/8] blk-mq: create hctx for each present CPU |
| Date | 2017-06-08 00:10 +0200 |
| Message-ID | <tPRjk-44i-9@gated-at.bofh.it> (permalink) |
| References | <tOhUB-81i-5@gated-at.bofh.it> <tOhUB-81i-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sat, Jun 03, 2017 at 04:04:02PM +0200, Christoph Hellwig wrote: > Currently we only create hctx for online CPUs, which can lead to a lot > of churn due to frequent soft offline / online operations. Instead > allocate one for each present CPU to avoid this and dramatically simplify > the code. > > Signed-off-by: Christoph Hellwig <hch@lst.de> Oh man, this cleanup is great. Did you run blktests on this? block/008 does a bunch of hotplugging while I/O is running.
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 7/8] blk-mq: create hctx for each present CPU Christoph Hellwig <hch@lst.de> - 2017-06-03 16:10 +0200
Re: [PATCH 7/8] blk-mq: create hctx for each present CPU Sagi Grimberg <sagi@grimberg.me> - 2017-06-04 17:20 +0200
Re: [PATCH 7/8] blk-mq: create hctx for each present CPU Ming Lei <ming.lei@redhat.com> - 2017-06-07 11:20 +0200
Re: [PATCH 7/8] blk-mq: create hctx for each present CPU Christoph Hellwig <hch@lst.de> - 2017-06-07 21:10 +0200
Re: [PATCH 7/8] blk-mq: create hctx for each present CPU Ming Lei <ming.lei@redhat.com> - 2017-06-08 04:30 +0200
Re: [PATCH 7/8] blk-mq: create hctx for each present CPU Omar Sandoval <osandov@osandov.com> - 2017-06-08 00:10 +0200
Re: [PATCH 7/8] blk-mq: create hctx for each present CPU Christoph Hellwig <hch@lst.de> - 2017-06-08 09:00 +0200
csiph-web