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From: Boaz Harrosh <openosd@gmail.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>,
	Seema Pandit <seema.pandit@intel.com>,
	linux-nvdimm <linux-nvdimm@lists.01.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	stable <stable@vger.kernel.org>,
	Robert Barror <robert.barror@intel.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Jan Kara <jack@suse.cz>
Subject: Re: [PATCH] filesystem-dax: Disable PMD support
Date: Wed, 3 Jul 2019 04:39:38 +0300	[thread overview]
Message-ID: <1eac7cfb-a23c-097e-8dba-d83e6921f152@gmail.com> (raw)
In-Reply-To: <CAPcyv4ihQ9djQvgnqZoTLRH3CwFhpWK_uUrmWSLH_3-Fi1g1qw@mail.gmail.com>

On 03/07/2019 03:42, Dan Williams wrote:
> On Tue, Jul 2, 2019 at 5:23 PM Boaz Harrosh <openosd@gmail.com> wrote:
<>
> 
> Yes, but the trick is how to manage cases where someone waiting on one
> type needs to be woken up by an event on the other. 

Exactly I'm totally with you on this.

> So all I'm saying it lets live with more hash collisions until we can figure out a race
> free way to better scale waitqueue usage.
> 

Yes and lets actually do real measurements to see if this really hurts needlessly.
Maybe not so much

Thanks
Boaz

<>

  reply	other threads:[~2019-07-03  1:39 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-27  0:15 [PATCH] filesystem-dax: Disable PMD support Dan Williams
2019-06-27 12:34 ` Matthew Wilcox
2019-06-27 16:06   ` Dan Williams
2019-06-27 18:29     ` Dan Williams
2019-06-27 18:58       ` Dan Williams
2019-06-27 19:09         ` Dan Williams
2019-06-27 19:59           ` Matthew Wilcox
2019-06-28  2:39             ` Dan Williams
2019-06-28 16:37               ` Matthew Wilcox
2019-06-28 16:39                 ` Dan Williams
2019-06-28 16:54                   ` Matthew Wilcox
2019-06-29 16:03               ` Matthew Wilcox
2019-06-30  7:27                 ` Dan Williams
2019-06-30  8:01                   ` Dan Williams
2019-06-30 15:23                     ` Matthew Wilcox
2019-06-30 21:37                       ` Dan Williams
2019-07-02  3:34                         ` Matthew Wilcox
2019-07-02 15:37                           ` Dan Williams
2019-07-03  0:22                             ` Boaz Harrosh
2019-07-03  0:42                               ` Dan Williams
2019-07-03  1:39                                 ` Boaz Harrosh [this message]
2019-07-01 12:11                       ` Jan Kara
2019-07-03 15:47                         ` Matthew Wilcox
2019-07-04 16:40                           ` Jan Kara

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