From: Dan Williams <dan.j.williams@intel.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Seema Pandit <seema.pandit@intel.com>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
Boaz Harrosh <openosd@gmail.com>,
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] dax: Fix missed PMD wakeups
Date: Wed, 3 Jul 2019 10:01:37 -0700 [thread overview]
Message-ID: <CAPcyv4jgs5LTtTXR+2CyfbjJE85B_eoPFuXQsGBDnVMo41Jawg@mail.gmail.com> (raw)
In-Reply-To: <20190703121743.GH1729@bombadil.infradead.org>
On Wed, Jul 3, 2019 at 5:17 AM Matthew Wilcox <willy@infradead.org> wrote:
>
> On Wed, Jul 03, 2019 at 12:24:54AM -0700, Dan Williams wrote:
> > This fix may increase waitqueue contention, but a fix for that is saved
> > for a larger rework. In the meantime this fix is suitable for -stable
> > backports.
>
> I think this is too big for what it is; just the two-line patch to stop
> incorporating the low bits of the PTE would be more appropriate.
Sufficient, yes, "appropriate", not so sure. All those comments about
pmd entry size are stale after this change.
_______________________________________________
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Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm
WARNING: multiple messages have this Message-ID (diff)
From: Dan Williams <dan.j.williams@intel.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Jan Kara <jack@suse.cz>, Boaz Harrosh <openosd@gmail.com>,
stable <stable@vger.kernel.org>,
Robert Barror <robert.barror@intel.com>,
Seema Pandit <seema.pandit@intel.com>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] dax: Fix missed PMD wakeups
Date: Wed, 3 Jul 2019 10:01:37 -0700 [thread overview]
Message-ID: <CAPcyv4jgs5LTtTXR+2CyfbjJE85B_eoPFuXQsGBDnVMo41Jawg@mail.gmail.com> (raw)
In-Reply-To: <20190703121743.GH1729@bombadil.infradead.org>
On Wed, Jul 3, 2019 at 5:17 AM Matthew Wilcox <willy@infradead.org> wrote:
>
> On Wed, Jul 03, 2019 at 12:24:54AM -0700, Dan Williams wrote:
> > This fix may increase waitqueue contention, but a fix for that is saved
> > for a larger rework. In the meantime this fix is suitable for -stable
> > backports.
>
> I think this is too big for what it is; just the two-line patch to stop
> incorporating the low bits of the PTE would be more appropriate.
Sufficient, yes, "appropriate", not so sure. All those comments about
pmd entry size are stale after this change.
next prev parent reply other threads:[~2019-07-03 17:01 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-03 7:24 [PATCH] dax: Fix missed PMD wakeups Dan Williams
2019-07-03 7:24 ` Dan Williams
2019-07-03 12:17 ` Matthew Wilcox
2019-07-03 12:17 ` Matthew Wilcox
2019-07-03 17:01 ` Dan Williams [this message]
2019-07-03 17:01 ` Dan Williams
2019-07-03 19:53 ` Matthew Wilcox
2019-07-03 19:53 ` Matthew Wilcox
2019-07-03 21:28 ` Dan Williams
2019-07-03 21:28 ` Dan Williams
2019-07-04 3:27 ` Matthew Wilcox
2019-07-04 3:27 ` Matthew Wilcox
2019-07-04 13:00 ` Boaz Harrosh
2019-07-04 13:00 ` Boaz Harrosh
2019-07-04 13:58 ` Matthew Wilcox
2019-07-04 13:58 ` Matthew Wilcox
2019-07-04 14:32 ` Boaz Harrosh
2019-07-04 14:32 ` Boaz Harrosh
2019-07-04 16:54 ` Jan Kara
2019-07-04 16:54 ` Jan Kara
2019-07-04 19:14 ` Matthew Wilcox
2019-07-04 19:14 ` Matthew Wilcox
2019-07-04 23:27 ` Dan Williams
2019-07-04 23:27 ` Dan Williams
2019-07-05 19:10 ` Matthew Wilcox
2019-07-05 19:10 ` Matthew Wilcox
2019-07-05 20:47 ` Dan Williams
2019-07-05 20:47 ` Dan Williams
2019-07-10 19:02 ` Jan Kara
2019-07-10 19:02 ` Jan Kara
2019-07-10 20:15 ` Matthew Wilcox
2019-07-10 20:15 ` Matthew Wilcox
2019-07-10 20:26 ` Jan Kara
2019-07-10 20:26 ` Jan Kara
2019-07-11 14:13 ` Matthew Wilcox
2019-07-11 14:13 ` Matthew Wilcox
2019-07-11 15:25 ` Matthew Wilcox
2019-07-11 15:25 ` Matthew Wilcox
2019-07-11 15:41 ` Jan Kara
2019-07-11 15:41 ` Jan Kara
2019-07-17 3:39 ` Dan Williams
2019-07-17 3:39 ` Dan Williams
2019-07-29 12:02 ` Jan Kara
2019-07-29 12:02 ` Jan Kara
2019-07-29 15:18 ` Dan Williams
2019-07-29 15:18 ` Dan Williams
2019-07-11 3:08 ` Matthew Wilcox
2019-07-11 3:08 ` Matthew Wilcox
2019-07-11 7:48 ` Jan Kara
2019-07-11 7:48 ` Jan Kara
2019-07-11 13:28 ` Matthew Wilcox
2019-07-11 13:28 ` Matthew Wilcox
2019-07-11 3:35 ` Matthew Wilcox
2019-07-11 3:35 ` Matthew Wilcox
2019-07-11 8:06 ` Jan Kara
2019-07-11 8:06 ` Jan Kara
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