From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Denis Efremov <efremov@linux.com>,
"David S. Miller" <davem@davemloft.net>,
Song Liu <song@kernel.org>, Al Viro <viro@zeniv.linux.org.uk>,
Finn Thain <fthain@telegraphics.com.au>,
Michael Schmitz <schmitzmic@gmail.com>,
linux-block@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-ide@vger.kernel.org, linux-raid@vger.kernel.org,
scsi <linux-scsi@vger.kernel.org>,
linux-m68k <linux-m68k@lists.linux-m68k.org>
Subject: Re: [PATCH 02/18] block: open code kobj_map into in block/genhd.c
Date: Fri, 30 Oct 2020 12:06:00 +0100 [thread overview]
Message-ID: <20201030110600.GA2406237@kroah.com> (raw)
In-Reply-To: <CAMuHMdXuzM0Z+yXXWqw8E2u-TNaC6C7NMRMH+X8oWQGaD=jckw@mail.gmail.com>
On Fri, Oct 30, 2020 at 11:49:11AM +0100, Geert Uytterhoeven wrote:
> Hi Greg,
>
> On Fri, Oct 30, 2020 at 11:40 AM Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> > On Thu, Oct 29, 2020 at 08:32:42PM +0100, Christoph Hellwig wrote:
> > > On Thu, Oct 29, 2020 at 08:22:36PM +0100, Greg Kroah-Hartman wrote:
> > > > After this, you want me to get rid of kobj_map, right? Or you don't
> > > > care as block doesn't use it anymore? :)
> > >
> > > I have a patch to kill it, but it causes odd regressions with the
> > > tpm driver according to the kernel test. As I have grand plans that
> > > build on the block ѕide of this series for 5.11, I plan to defer the
> > > chardev side and address it for 5.12.
> >
> > Ok, sounds good.
> >
> > Wow, I just looked at the tpm code, and it is, um, "interesting" in how
> > it thinks device lifespans work. Nothing like having 4 different
> > structures with different lifespans embedded within a single structure.
> > Good thing that no one can dynamically remove a TPM device during
> > "normal" operation.
>
> /sys/.../unbind?
I said "normal" operations :)
Anyone who uses unbind and is suprised when things go "boom" is naive.
thanks,
greg k-h
next prev parent reply other threads:[~2020-10-30 11:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 14:58 simplify gendisk lookup and remove struct block_device aliases v4 Christoph Hellwig
2020-10-29 14:58 ` [PATCH 01/18] block: cleanup del_gendisk a bit Christoph Hellwig
2020-10-29 14:58 ` [PATCH 02/18] block: open code kobj_map into in block/genhd.c Christoph Hellwig
2020-10-29 19:22 ` Greg Kroah-Hartman
2020-10-29 19:32 ` Christoph Hellwig
2020-10-30 10:40 ` Greg Kroah-Hartman
2020-10-30 10:49 ` Geert Uytterhoeven
2020-10-30 11:06 ` Greg Kroah-Hartman [this message]
2020-10-31 8:53 ` Christoph Hellwig
2020-10-29 14:58 ` [PATCH 03/18] block: split block_class_lock Christoph Hellwig
2020-10-29 14:58 ` [PATCH 04/18] block: rework requesting modules for unclaimed devices Christoph Hellwig
2020-10-29 14:58 ` [PATCH 05/18] block: add an optional probe callback to major_names Christoph Hellwig
2020-10-29 14:58 ` [PATCH 06/18] ide: remove ide_{,un}register_region Christoph Hellwig
2020-10-29 14:58 ` [PATCH 07/18] swim: don't call blk_register_region Christoph Hellwig
2020-10-29 14:58 ` [PATCH 08/18] sd: use __register_blkdev to avoid a modprobe for an unregistered dev_t Christoph Hellwig
2020-10-30 2:13 ` Martin K. Petersen
2020-10-29 14:58 ` [PATCH 09/18] brd: use __register_blkdev to allocate devices on demand Christoph Hellwig
2020-10-29 14:58 ` [PATCH 10/18] loop: " Christoph Hellwig
2020-10-29 14:58 ` [PATCH 11/18] md: " Christoph Hellwig
2020-10-29 14:58 ` [PATCH 12/18] ide: switch to __register_blkdev for command set probing Christoph Hellwig
2020-10-29 14:58 ` [PATCH 13/18] floppy: use a separate gendisk for each media format Christoph Hellwig
2020-10-29 14:58 ` [PATCH 14/18] amiflop: use separate gendisks for Amiga vs MS-DOS mode Christoph Hellwig
2020-10-29 14:58 ` [PATCH 15/18] ataflop: use a separate gendisk for each media format Christoph Hellwig
2020-10-29 14:58 ` [PATCH 16/18] z2ram: reindent Christoph Hellwig
2020-10-29 14:58 ` [PATCH 17/18] z2ram: use separate gendisk for the different modes Christoph Hellwig
2020-10-30 0:11 ` [PATCH] z2ram: MODULE_LICENSE update and neatening Joe Perches
2020-10-30 1:01 ` James Bottomley
2020-10-30 1:23 ` Joe Perches
2020-10-29 14:58 ` [PATCH 18/18] block: switch gendisk lookup to a simple xarray Christoph Hellwig
2020-11-11 7:57 ` simplify gendisk lookup and remove struct block_device aliases v4 Christoph Hellwig
2020-11-11 16:17 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201030110600.GA2406237@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=axboe@kernel.dk \
--cc=davem@davemloft.net \
--cc=efremov@linux.com \
--cc=fthain@telegraphics.com.au \
--cc=geert@linux-m68k.org \
--cc=hch@lst.de \
--cc=linux-block@vger.kernel.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-m68k@lists.linux-m68k.org \
--cc=linux-raid@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=rafael@kernel.org \
--cc=schmitzmic@gmail.com \
--cc=song@kernel.org \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).