[GIT PULL] libnvdimm fixes for v5.12-rc8 / final

2021-04-16 Thread Dan Williams
Hi Linus, please pull from: ...to receive a handful of libnvdimm fixups. The largest change is for a regression that landed during -rc1 for block-device read-only handling. Vaibhav found a new use for the ability (originally introduced by virtio_pmem) to call back to the platform to flush data,

Re: [PATCH v1 1/1] libnvdimm: Don't use GUID APIs against raw buffer

2021-04-16 Thread Dan Williams
On Fri, Apr 16, 2021 at 1:42 PM Andy Shevchenko wrote: > > On Fri, Apr 16, 2021 at 01:08:06PM -0700, Dan Williams wrote: > > [ add Erik ] > > > > On Fri, Apr 16, 2021 at 10:36 AM Andy Shevchenko > > wrote: > > > > > > On Thu, Apr 15, 2021 at 05:37:54PM +0300, Andy Shevchenko wrote: > > > >

Re: [PATCH] dax: Fix missed wakeup in put_unlocked_entry()

2021-04-16 Thread Vivek Goyal
On Fri, Apr 16, 2021 at 12:56:05PM -0700, Dan Williams wrote: > On Fri, Apr 16, 2021 at 10:35 AM Vivek Goyal wrote: > > > > I am seeing missed wakeups which ultimately lead to a deadlock when I am > > using virtiofs with DAX enabled and running "make -j". I had to mount > > virtiofs as rootfs and

Re: [PATCH v1 1/1] libnvdimm: Don't use GUID APIs against raw buffer

2021-04-16 Thread Andy Shevchenko
On Fri, Apr 16, 2021 at 01:08:06PM -0700, Dan Williams wrote: > [ add Erik ] > > On Fri, Apr 16, 2021 at 10:36 AM Andy Shevchenko > wrote: > > > > On Thu, Apr 15, 2021 at 05:37:54PM +0300, Andy Shevchenko wrote: > > > Strictly speaking the comparison between guid_t and raw buffer > > > is not

Re: [PATCH v1 1/1] libnvdimm: Don't use GUID APIs against raw buffer

2021-04-16 Thread Dan Williams
[ add Erik ] On Fri, Apr 16, 2021 at 10:36 AM Andy Shevchenko wrote: > > On Thu, Apr 15, 2021 at 05:37:54PM +0300, Andy Shevchenko wrote: > > Strictly speaking the comparison between guid_t and raw buffer > > is not correct. Return to plain memcmp() since the data structures > > haven't changed

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2021-04-16 Thread My Jcb
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Re: [PATCH] dax: Fix missed wakeup in put_unlocked_entry()

2021-04-16 Thread Dan Williams
On Fri, Apr 16, 2021 at 10:35 AM Vivek Goyal wrote: > > I am seeing missed wakeups which ultimately lead to a deadlock when I am > using virtiofs with DAX enabled and running "make -j". I had to mount > virtiofs as rootfs and also reduce to dax window size to 32M to reproduce > the problem

Re: [PATCH v1 1/1] ACPI: NFIT: Import GUID before use

2021-04-16 Thread Dan Williams
On Fri, Apr 16, 2021 at 10:34 AM Andy Shevchenko wrote: > > On Fri, Apr 16, 2021 at 09:15:34AM -0700, Dan Williams wrote: > > On Fri, Apr 16, 2021 at 1:58 AM Andy Shevchenko > > wrote: > > > On Fri, Apr 16, 2021 at 8:28 AM Dan Williams > > > wrote: > > > > On Thu, Apr 15, 2021 at 6:59 AM Andy

Re: [PATCH v1 1/1] libnvdimm: Don't use GUID APIs against raw buffer

2021-04-16 Thread Andy Shevchenko
On Thu, Apr 15, 2021 at 05:37:54PM +0300, Andy Shevchenko wrote: > Strictly speaking the comparison between guid_t and raw buffer > is not correct. Return to plain memcmp() since the data structures > haven't changed to use uuid_t / guid_t the current state of affairs > is inconsistent. Either it

[PATCH] dax: Fix missed wakeup in put_unlocked_entry()

2021-04-16 Thread Vivek Goyal
I am seeing missed wakeups which ultimately lead to a deadlock when I am using virtiofs with DAX enabled and running "make -j". I had to mount virtiofs as rootfs and also reduce to dax window size to 32M to reproduce the problem consistently. This is not a complete patch. I am just proposing this

Re: [PATCH v1 1/1] ACPI: NFIT: Import GUID before use

2021-04-16 Thread Andy Shevchenko
On Fri, Apr 16, 2021 at 09:15:34AM -0700, Dan Williams wrote: > On Fri, Apr 16, 2021 at 1:58 AM Andy Shevchenko > wrote: > > On Fri, Apr 16, 2021 at 8:28 AM Dan Williams > > wrote: > > > On Thu, Apr 15, 2021 at 6:59 AM Andy Shevchenko > > > wrote: > > > > > > > > Strictly speaking the

Re: [PATCH v1 1/1] ACPI: NFIT: Import GUID before use

2021-04-16 Thread Dan Williams
On Fri, Apr 16, 2021 at 1:58 AM Andy Shevchenko wrote: > > On Fri, Apr 16, 2021 at 8:28 AM Dan Williams wrote: > > > > On Thu, Apr 15, 2021 at 6:59 AM Andy Shevchenko > > wrote: > > > > > > Strictly speaking the comparison between guid_t and raw buffer > > > is not correct. Import GUID to

RE:linux-nvdimm@lists.01.org 阿里巴巴国际站数据---最新优惠

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Re: [PATCH v1 1/1] ACPI: NFIT: Import GUID before use

2021-04-16 Thread Andy Shevchenko
On Fri, Apr 16, 2021 at 8:28 AM Dan Williams wrote: > > On Thu, Apr 15, 2021 at 6:59 AM Andy Shevchenko > wrote: > > > > Strictly speaking the comparison between guid_t and raw buffer > > is not correct. Import GUID to variable of guid_t type and then > > compare. > > Hmm, what about something