All of lore.kernel.org
 help / color / mirror / Atom feed
From: <Alexander.Steffen@infineon.com>
To: <jarkko.sakkinen@linux.intel.com>
Cc: <andriy.shevchenko@linux.intel.com>,
	<elfring@users.sourceforge.net>,
	<linux-integrity@vger.kernel.org>,
	<linuxppc-dev@lists.ozlabs.org>, <benh@kernel.crashing.org>,
	<clabbe.montjoie@gmail.com>, <jgunthorpe@obsidianresearch.com>,
	<jsnitsel@redhat.com>, <kgold@linux.vnet.ibm.com>,
	<mpe@ellerman.id.au>, <nayna@linux.vnet.ibm.com>,
	<paulus@samba.org>, <PeterHuewe@gmx.de>,
	<stefanb@linux.vnet.ibm.com>, <linux-kernel@vger.kernel.org>,
	<kernel-janitors@vger.kernel.org>
Subject: RE: [PATCH 3/4] char/tpm: Improve a size determination in nine functions
Date: Thu, 19 Oct 2017 16:58:23 +0000	[thread overview]
Message-ID: <8afa2fb8d8704aff804cd8da15e931da@infineon.com> (raw)
In-Reply-To: <20171018144811.klfmzikibuux77pf@linux.intel.com>

> On Tue, Oct 17, 2017 at 11:50:05AM +0000, Alexander.Steffen@infineon.com
> wrote:
> > > > Replace the specification of data structures by pointer dereferences
> > > > as the parameter for the operator "sizeof" to make the corresponding
> > > > size
> > > > determination a bit safer according to the Linux coding style
> > > > convention.
> > >
> > >
> > > This patch does one style in favor of the other.
> >
> > I actually prefer that style, so I'd welcome this change :)
> >
> > > At the end it's Jarkko's call, though I would NAK this as I think some
> > > one already told this to you for some other similar patch(es).
> > >
> > >
> > > I even would suggest to stop doing this noisy stuff, which keeps people
> > > busy for nothing.
> >
> > Cleaning up old code is also worth something, even if does not change
> > one bit in the assembly output in the end...
> >
> > Alexander
> 
> Quite insignificant clean up it is that does more harm that gives any
> benefit as any new change adds debt to backporting.
> 
> Anyway, this has been a useful patch set for me in the sense that I have
> clearer picture now on discarding/accepting commits.

Indeed. I have now a better understanding for why some code looks as ugly as it does.

> One line minor
> clean up will be from now on automatic NAK unless it causes a compiler
> warning or some other visible side-effect.

Not a nice policy, but at least a policy. I have deleted the tasks that I had still planned for other cleanup activities.

Alexander

WARNING: multiple messages have this Message-ID (diff)
From: <Alexander.Steffen@infineon.com>
To: jarkko.sakkinen@linux.intel.com
Cc: andriy.shevchenko@linux.intel.com, elfring@users.sourceforge.net,
	linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	benh@kernel.crashing.org, clabbe.montjoie@gmail.com,
	jgunthorpe@obsidianresearch.com, jsnitsel@redhat.com,
	kgold@linux.vnet.ibm.com, mpe@ellerman.id.au,
	nayna@linux.vnet.ibm.com, paulus@samba.org, PeterHuewe@gmx.de,
	stefanb@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: RE: [PATCH 3/4] char/tpm: Improve a size determination in nine functions
Date: Thu, 19 Oct 2017 16:58:23 +0000	[thread overview]
Message-ID: <8afa2fb8d8704aff804cd8da15e931da@infineon.com> (raw)
In-Reply-To: <20171018144811.klfmzikibuux77pf@linux.intel.com>

> On Tue, Oct 17, 2017 at 11:50:05AM +0000, Alexander.Steffen@infineon.com
> wrote:
> > > > Replace the specification of data structures by pointer dereferences
> > > > as the parameter for the operator "sizeof" to make the corresponding
> > > > size
> > > > determination a bit safer according to the Linux coding style
> > > > convention.
> > >
> > >
> > > This patch does one style in favor of the other.
> >
> > I actually prefer that style, so I'd welcome this change :)
> >
> > > At the end it's Jarkko's call, though I would NAK this as I think some
> > > one already told this to you for some other similar patch(es).
> > >
> > >
> > > I even would suggest to stop doing this noisy stuff, which keeps people
> > > busy for nothing.
> >
> > Cleaning up old code is also worth something, even if does not change
> > one bit in the assembly output in the end...
> >
> > Alexander
> 
> Quite insignificant clean up it is that does more harm that gives any
> benefit as any new change adds debt to backporting.
> 
> Anyway, this has been a useful patch set for me in the sense that I have
> clearer picture now on discarding/accepting commits.

Indeed. I have now a better understanding for why some code looks as ugly as it does.

> One line minor
> clean up will be from now on automatic NAK unless it causes a compiler
> warning or some other visible side-effect.

Not a nice policy, but at least a policy. I have deleted the tasks that I had still planned for other cleanup activities.

Alexander

WARNING: multiple messages have this Message-ID (diff)
From: <Alexander.Steffen@infineon.com>
To: <jarkko.sakkinen@linux.intel.com>
Cc: <andriy.shevchenko@linux.intel.com>,
	<elfring@users.sourceforge.net>,
	<linux-integrity@vger.kernel.org>,
	<linuxppc-dev@lists.ozlabs.org>, <benh@kernel.crashing.org>,
	<clabbe.montjoie@gmail.com>, <jgunthorpe@obsidianresearch.com>,
	<jsnitsel@redhat.com>, <kgold@linux.vnet.ibm.com>,
	<mpe@ellerman.id.au>, <nayna@linux.vnet.ibm.com>,
	<paulus@samba.org>, <PeterHuewe@gmx.de>,
	<stefanb@linux.vnet.ibm.com>, <linux-kernel@vger.kernel.org>,
	<kernel-janitors@vger.kernel.org>
Subject: RE: [PATCH 3/4] char/tpm: Improve a size determination in nine functions
Date: Thu, 19 Oct 2017 16:58:23 +0000	[thread overview]
Message-ID: <8afa2fb8d8704aff804cd8da15e931da@infineon.com> (raw)
In-Reply-To: <20171018144811.klfmzikibuux77pf@linux.intel.com>

> On Tue, Oct 17, 2017 at 11:50:05AM +0000, Alexander.Steffen@infineon.com
> wrote:
> > > > Replace the specification of data structures by pointer dereference=
s
> > > > as the parameter for the operator "sizeof" to make the correspondin=
g
> > > > size
> > > > determination a bit safer according to the Linux coding style
> > > > convention.
> > >
> > >
> > > This patch does one style in favor of the other.
> >
> > I actually prefer that style, so I'd welcome this change :)
> >
> > > At the end it's Jarkko's call, though I would NAK this as I think som=
e
> > > one already told this to you for some other similar patch(es).
> > >
> > >
> > > I even would suggest to stop doing this noisy stuff, which keeps peop=
le
> > > busy for nothing.
> >
> > Cleaning up old code is also worth something, even if does not change
> > one bit in the assembly output in the end...
> >
> > Alexander
>=20
> Quite insignificant clean up it is that does more harm that gives any
> benefit as any new change adds debt to backporting.
>=20
> Anyway, this has been a useful patch set for me in the sense that I have
> clearer picture now on discarding/accepting commits.

Indeed. I have now a better understanding for why some code looks as ugly a=
s it does.

> One line minor
> clean up will be from now on automatic NAK unless it causes a compiler
> warning or some other visible side-effect.

Not a nice policy, but at least a policy. I have deleted the tasks that I h=
ad still planned for other cleanup activities.

Alexander

  reply	other threads:[~2017-10-19 16:58 UTC|newest]

Thread overview: 221+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-16 17:30 [PATCH 0/4] char-TPM: Adjustments for ten function implementations SF Markus Elfring
2017-10-16 17:30 ` SF Markus Elfring
2017-10-16 17:31 ` [PATCH 1/4] char/tpm: Delete an error message for a failed memory allocation in tpm_ascii_bios_measurements_show() SF Markus Elfring
2017-10-16 17:31   ` [PATCH 1/4] char/tpm: Delete an error message for a failed memory allocation in tpm_ascii_bios_measu SF Markus Elfring
2017-10-16 17:32 ` [PATCH 2/4] char/tpm: Delete an error message for a failed memory allocation in tpm_ibmvtpm_probe() SF Markus Elfring
2017-10-16 17:32   ` SF Markus Elfring
2017-10-16 17:33 ` [PATCH 3/4] char/tpm: Improve a size determination in nine functions SF Markus Elfring
2017-10-16 17:33   ` SF Markus Elfring
2017-10-17 11:03   ` Andy Shevchenko
2017-10-17 11:03     ` Andy Shevchenko
2017-10-17 11:50     ` Alexander.Steffen
2017-10-17 11:50       ` Alexander.Steffen
2017-10-17 11:50       ` Alexander.Steffen
2017-10-17 12:52       ` Mimi Zohar
2017-10-17 12:52         ` Mimi Zohar
2017-10-17 12:52         ` Mimi Zohar
2017-10-17 12:58         ` Julia Lawall
2017-10-17 12:58           ` Julia Lawall
2017-10-17 12:58           ` Julia Lawall
2017-10-17 15:17           ` Mimi Zohar
2017-10-17 15:17             ` Mimi Zohar
2017-10-17 15:17             ` Mimi Zohar
2017-10-17 15:29             ` Julia Lawall
2017-10-17 15:29               ` Julia Lawall
2017-10-17 15:29               ` Julia Lawall
2017-10-18  9:16               ` Alexander.Steffen
2017-10-18  9:16                 ` Alexander.Steffen
2017-10-18  9:16                 ` Alexander.Steffen
2017-10-18  9:16                 ` Alexander.Steffen
2017-10-17 18:41             ` SF Markus Elfring
2017-10-17 18:41               ` SF Markus Elfring
2017-10-17 18:41               ` SF Markus Elfring
2017-10-17 19:28               ` Mimi Zohar
2017-10-17 19:28                 ` Mimi Zohar
2017-10-17 19:28                 ` Mimi Zohar
2017-10-17 20:04                 ` SF Markus Elfring
2017-10-17 20:04                   ` SF Markus Elfring
2017-10-17 20:04                   ` SF Markus Elfring
2017-10-17 19:36               ` Andy Shevchenko
2017-10-17 19:36                 ` Andy Shevchenko
2017-10-17 20:24                 ` SF Markus Elfring
2017-10-17 20:24                   ` SF Markus Elfring
2017-10-18 14:57               ` Jarkko Sakkinen
2017-10-18 14:57                 ` Jarkko Sakkinen
2017-10-18 14:57                 ` Jarkko Sakkinen
2017-10-18 15:22                 ` SF Markus Elfring
2017-10-18 15:22                   ` SF Markus Elfring
2017-10-18 15:22                   ` SF Markus Elfring
2017-10-18 15:59                   ` Jarkko Sakkinen
2017-10-18 15:59                     ` Jarkko Sakkinen
2017-10-18 15:59                     ` Jarkko Sakkinen
2017-10-18 16:43                     ` SF Markus Elfring
2017-10-18 16:43                       ` SF Markus Elfring
2017-10-18 16:43                       ` SF Markus Elfring
2017-10-18 17:18                       ` Jarkko Sakkinen
2017-10-18 17:18                         ` Jarkko Sakkinen
2017-10-18 17:18                         ` Jarkko Sakkinen
2017-10-18 17:22                         ` Jarkko Sakkinen
2017-10-18 17:22                           ` Jarkko Sakkinen
2017-10-18 17:22                           ` Jarkko Sakkinen
2017-10-18 17:54                           ` SF Markus Elfring
2017-10-18 17:54                             ` SF Markus Elfring
2017-10-18 17:48                         ` SF Markus Elfring
2017-10-18 17:48                           ` SF Markus Elfring
2017-10-18 17:48                           ` SF Markus Elfring
2017-10-18 17:54                           ` Jerry Snitselaar
2017-10-18 17:54                             ` Jerry Snitselaar
2017-10-18 17:54                             ` Jerry Snitselaar
2017-10-18 18:11                             ` char/tpm: Delete an error message for a failed memory allocation in tpm_…() SF Markus Elfring
2017-10-18 18:11                               ` SF Markus Elfring
2017-10-18 18:11                               ` char/tpm: Delete an error message for a failed memory =?UTF-8?B?IGFsbG9jYXRpb24gaW4g SF Markus Elfring
2017-10-18 18:03                           ` char/tpm: Improve a size determination in nine functions Andy Shevchenko
2017-10-18 18:03                             ` Andy Shevchenko
2017-10-19 12:04                             ` Michal Suchánek
2017-10-19 12:04                               ` Michal Suchánek
2017-10-19 12:16                           ` Jarkko Sakkinen
2017-10-19 12:16                             ` Jarkko Sakkinen
2017-10-19 12:16                             ` Jarkko Sakkinen
2017-10-17 13:02         ` [PATCH 3/4] " Andy Shevchenko
2017-10-17 13:02           ` Andy Shevchenko
2017-10-17 13:02           ` Andy Shevchenko
2017-10-18 14:52           ` Jarkko Sakkinen
2017-10-18 14:52             ` Jarkko Sakkinen
2017-10-17 15:22         ` Alexander.Steffen
2017-10-17 15:22           ` Alexander.Steffen
2017-10-17 15:22           ` Alexander.Steffen
2017-10-17 15:22           ` Alexander.Steffen
2017-10-18 14:48       ` Jarkko Sakkinen
2017-10-18 14:48         ` Jarkko Sakkinen
2017-10-19 16:58         ` Alexander.Steffen [this message]
2017-10-19 16:58           ` Alexander.Steffen
2017-10-19 16:58           ` Alexander.Steffen
2017-10-20  9:01           ` Jarkko Sakkinen
2017-10-20  9:01             ` Jarkko Sakkinen
2017-10-20 10:23             ` Jarkko Sakkinen
2017-10-20 10:23               ` Jarkko Sakkinen
2017-10-20 12:03               ` Alexander.Steffen
2017-10-20 12:03                 ` Alexander.Steffen
2017-10-20 12:03                 ` Alexander.Steffen
2017-10-23 13:20           ` Dan Carpenter
2017-10-23 13:20             ` Dan Carpenter
2017-10-18 14:40     ` Jarkko Sakkinen
2017-10-18 14:40       ` Jarkko Sakkinen
2017-10-16 17:34 ` [PATCH 4/4] char/tpm: Less checks in tpm_ibmvtpm_probe() after error detection SF Markus Elfring
2017-10-16 17:34   ` SF Markus Elfring
2017-10-19 11:56   ` Michal Suchánek
2017-10-19 11:56     ` Michal Suchánek
2017-10-19 12:36     ` SF Markus Elfring
2017-10-19 12:36       ` SF Markus Elfring
2017-10-19 12:46       ` Michal Suchánek
2017-10-19 12:46         ` Michal Suchánek
2017-10-19 14:26         ` Dan Carpenter
2017-10-19 14:26           ` Dan Carpenter
2017-10-19 13:36     ` Dan Carpenter
2017-10-19 13:36       ` Dan Carpenter
2017-10-19 13:36       ` Dan Carpenter
2017-10-19 14:16       ` Michal Suchánek
2017-10-19 14:16         ` Michal Suchánek
2017-10-19 14:16         ` Michal Suchánek
2017-10-19 14:16         ` Michal Suchánek
2017-10-19 14:59         ` Dan Carpenter
2017-10-19 14:59           ` Dan Carpenter
2017-10-19 14:59           ` Dan Carpenter
2017-10-19 20:44       ` SF Markus Elfring
2017-10-19 20:44         ` SF Markus Elfring
2017-10-19 20:44         ` SF Markus Elfring
2017-10-16 18:31 ` [PATCH 0/4] char-TPM: Adjustments for ten function implementations Jarkko Sakkinen
2017-10-16 18:31   ` Jarkko Sakkinen
2017-10-16 18:35   ` Jarkko Sakkinen
2017-10-16 18:35     ` Jarkko Sakkinen
2017-10-16 20:44     ` SF Markus Elfring
2017-10-16 20:44       ` SF Markus Elfring
2017-10-18 15:04       ` Jarkko Sakkinen
2017-10-18 15:04         ` Jarkko Sakkinen
2017-10-18 15:43         ` SF Markus Elfring
2017-10-18 15:43           ` SF Markus Elfring
2017-10-18 15:43           ` SF Markus Elfring
2017-10-16 22:46     ` [PATCH 0/4] " Joe Perches
2017-10-16 22:46       ` Joe Perches
2017-10-17  7:20       ` SF Markus Elfring
2017-10-17  7:20         ` SF Markus Elfring
2017-10-17  8:51     ` Dan Carpenter
2017-10-17  8:51       ` Dan Carpenter
2017-10-17  8:56       ` Julia Lawall
2017-10-17  8:56         ` Julia Lawall
2017-10-17  9:44         ` Dan Carpenter
2017-10-17  9:44           ` Dan Carpenter
2017-10-17 10:11           ` Julia Lawall
2017-10-17 10:11             ` Julia Lawall
2017-10-17 11:52             ` Mimi Zohar
2017-10-17 11:52               ` Mimi Zohar
2017-10-17 11:52               ` Mimi Zohar
2017-10-18  3:18               ` Michael Ellerman
2017-10-18  3:18                 ` Michael Ellerman
2017-10-19 13:16                 ` Mimi Zohar
2017-10-19 13:16                   ` Mimi Zohar
2017-10-19 16:08                   ` Circumstances for using the tag “Fixes” (or not) SF Markus Elfring
2017-10-19 16:08                     ` SF Markus Elfring
2017-10-17 12:26           ` [PATCH 0/4] char-TPM: Adjustments for ten function implementations Michael Ellerman
2017-10-17 12:26             ` Michael Ellerman
2017-10-18 15:07           ` Jarkko Sakkinen
2017-10-18 15:07             ` Jarkko Sakkinen
2017-10-17  9:25       ` SF Markus Elfring
2017-10-17  9:25         ` SF Markus Elfring
2017-10-17 15:57         ` James Bottomley
2017-10-17 15:57           ` James Bottomley
2017-10-17 16:32           ` SF Markus Elfring
2017-10-17 16:32             ` SF Markus Elfring
2017-10-17 16:32             ` SF Markus Elfring
2017-10-17 22:43           ` Joe Perches
2017-10-17 22:43             ` Joe Perches
2017-10-17 22:43             ` Joe Perches
2017-10-17 22:43             ` Joe Perches
2017-10-18  9:00             ` SF Markus Elfring
2017-10-18  9:00               ` SF Markus Elfring
2017-10-18  9:18               ` Joe Perches
2017-10-18  9:18                 ` Joe Perches
2017-10-18  9:50                 ` Alexander.Steffen
2017-10-18  9:50                   ` Alexander.Steffen
2017-10-18  9:50                   ` Alexander.Steffen
2017-10-18 10:00                   ` Julia Lawall
2017-10-18 10:00                     ` Julia Lawall
2017-10-18 10:28                     ` Joe Perches
2017-10-18 10:28                       ` Joe Perches
2017-10-18 10:28                       ` Joe Perches
2017-10-18 11:00                       ` Adjusting further size determinations? SF Markus Elfring
2017-10-18 11:00                         ` SF Markus Elfring
2017-10-18 11:49                         ` Joe Perches
2017-10-18 11:49                           ` Joe Perches
2017-10-18 12:07                           ` SF Markus Elfring
2017-10-18 12:07                             ` SF Markus Elfring
2017-10-18 12:58                             ` David Laight
2017-10-18 12:58                               ` David Laight
2017-10-18 12:58                               ` David Laight
2017-10-18 13:32                               ` Julia Lawall
2017-10-18 13:32                                 ` Julia Lawall
2017-10-18 13:50                                 ` SF Markus Elfring
2017-10-18 13:50                                   ` SF Markus Elfring
2017-10-18 13:50                                   ` SF Markus Elfring
2017-10-18 10:44                     ` char-TPM: Adjustments for ten function implementations Alexander.Steffen
2017-10-18 10:44                       ` Alexander.Steffen
2017-10-18 10:44                       ` Alexander.Steffen
2017-10-18 10:49                       ` Joe Perches
2017-10-18 10:49                         ` Joe Perches
2017-10-18 10:49                         ` Joe Perches
2017-10-18 11:07                         ` Alexander.Steffen
2017-10-18 11:07                           ` Alexander.Steffen
2017-10-18 11:07                           ` Alexander.Steffen
2017-10-18  9:55                 ` SF Markus Elfring
2017-10-18  9:55                   ` SF Markus Elfring
2017-10-18 18:27                 ` Michal Suchánek
2017-10-18 18:27                   ` Michal Suchánek
2017-10-18 15:10           ` [PATCH 0/4] " Jarkko Sakkinen
2017-10-18 15:10             ` Jarkko Sakkinen
2017-10-18 15:10             ` Jarkko Sakkinen
2017-10-18 16:09             ` James Bottomley
2017-10-18 16:09               ` James Bottomley
2017-10-18 16:09               ` James Bottomley
2017-10-18 17:13               ` Jarkko Sakkinen
2017-10-18 17:13                 ` Jarkko Sakkinen
2017-10-18 17:13                 ` Jarkko Sakkinen

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=8afa2fb8d8704aff804cd8da15e931da@infineon.com \
    --to=alexander.steffen@infineon.com \
    --cc=PeterHuewe@gmx.de \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=benh@kernel.crashing.org \
    --cc=clabbe.montjoie@gmail.com \
    --cc=elfring@users.sourceforge.net \
    --cc=jarkko.sakkinen@linux.intel.com \
    --cc=jgunthorpe@obsidianresearch.com \
    --cc=jsnitsel@redhat.com \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=kgold@linux.vnet.ibm.com \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mpe@ellerman.id.au \
    --cc=nayna@linux.vnet.ibm.com \
    --cc=paulus@samba.org \
    --cc=stefanb@linux.vnet.ibm.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.