public inbox for linuxppc-dev@ozlabs.org 
 help / color / mirror / Atom feed
From: Michael Ellerman <mpe@ellerman•id.au>
To: Daniel Vetter <daniel@ffwll•ch>,
	Christophe LEROY <christophe.leroy@c-s•fr>
Cc: Pavel Machek <pavel@ucw•cz>,
	elfring@users•sourceforge.net,
	kernel list <linux-kernel@vger•kernel.org>,
	vgupta@synopsys•com, linux@armlinux•org.uk, oleg@redhat•com,
	catalin.marinas@arm•com, will.deacon@arm•com, paulus@ozlabs•org,
	benh@kernel•crashing.org, ard.biesheuvel@linaro•org,
	tglx@linutronix•de, mingo@redhat•com, hpa@zytor•com,
	x86@kernel•org, scott.bauer@intel•com,
	jonathan.derrick@intel•com, axboe@kernel•dk,
	daniel.lezcano@linaro•org, maxime.ripard@free-electrons•com,
	wens@csie•org, alexander.deucher@amd•com,
	christian.koenig@amd•com, David1.Zhou@amd•com, airlied@linux•ie,
	robdclark@gmail•com, joro@8bytes•org, shli@kernel•org,
	shawnguo@kernel•org, kernel@pengutronix•de,
	fabio.estevam@nxp•com, akpm@linux-foundation•org,
	Alexey.Brodkin@synopsys•com, mhocko@suse•com, vbabka@suse•cz,
	Vladislav.Zakharov@synopsys•com, noamca@mellanox•com,
	yamada.masahiro@socionext•com, sboyd@codeaurora•org,
	viresh.kumar@linaro•org, linus.walleij@linaro•org,
	heiko@sntech•de, aik@ozlabs•ru, ruscur@russell•cc,
	david@gibson•dropbear.id.au, fbarrat@linux•vnet.ibm.com,
	alistair@popple•id.au, robh@kernel•org, joe@perches•com,
	harry.wentland@amd•com, tony.cheng@amd•com, Wenjing.Liu@amd•com,
	airlied@redhat•com, Ding.Wang@amd•com, sylvia.tsai@amd•com,
	hersenxs.wu@amd•com, Rex.Zhu@amd•com, JinHuiEric.Huang@amd•com,
	dan.carpenter@oracle•com, architt@codeaurora•org,
	daniel.vetter@ffwll•ch, narmstrong@baylibre•com,
	ville.syrjala@linux•intel.com, jcrouse@codeaurora•org,
	aishpant@gmail•com, noralf@tronnes•org, andresx7@gmail•com,
	Monk.Liu@amd•com, nicolai.haehnle@amd•com,
	Andrey.Grodzovsky@amd•com, linux-snps-arc@lists•infradead.org,
	linux-arm-kernel@lists•infradead.org, kvm-ppc@vger•kernel.org,
	linuxppc-dev@lists•ozlabs.org, linux-efi@vger•kernel.org,
	linux-block@vger•kernel.org, amd-gfx@lists•freedesktop.org,
	dri-devel@lists•freedesktop.org, linux-arm-msm@vger•kernel.org,
	freedreno@lists•freedesktop.org,
	iommu@lists•linux-foundation.org, linux-raid@vger•kernel.org
Subject: Re: [PATCH] fix double ;;s in code
Date: Tue, 20 Feb 2018 17:19:31 +1100	[thread overview]
Message-ID: <87vaesrxn0.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20180219154135.GV22199@phenom.ffwll.local>

Daniel Vetter <daniel@ffwll•ch> writes:
> On Sun, Feb 18, 2018 at 11:00:56AM +0100, Christophe LEROY wrote:
>> Le 17/02/2018 =C3=A0 22:19, Pavel Machek a =C3=A9crit=C2=A0:
>> >=20
>> > Fix double ;;'s in code.
>> >=20
>> > Signed-off-by: Pavel Machek <pavel@ucw•cz>
>>=20
>> A summary of the files modified on top of the patch would help understand
>> the impact.
>>=20
>> A maybe there should be one patch by area, eg one for each arch specific
>> modif and one for drivers/ and one for block/ ?
>
> Yeah, pls split this into one patch per area, with a suitable patch
> subject prefix. Look at git log of each file to get a feeling for what's
> the standard in each area.

This part is actually pretty annoying.

I hacked up a script (below) which seems to do a reasonable job in most
cases.

For this patch it gives:

  $ for f in $(git ls-files -m); do ./guess-prefix.py $f; done
  ARC:=20
  ARC:=20
  ARM:=20
  arm64: ptrace:=20
  KVM: PPC:=20
  powerpc/powernv:
  x86/efi:
  block/sed-opal:
  clocksource: mips-gic:=20
  clocksource/drivers/sun5i:
  drm/amd/display:
  drm/amd/powerplay:
  drm/msm/mdp5:
  drm:=20
  iommu/vt-d:
  md:=20
  soc: imx: gpc:=20

I think those are correct except for:
 - "drm:" for "drivers/gpu/drm/scheduler" which has only a single commit.
 - "md:" for "drivers/md/raid1.c" which is tricked by inconsistent
    usage of "md: raid1:" and "md/raid1:".

But that seems like a reasonable hit rate.

Another approach would be to have a file that defines for each subsystem
what the preferred style is, but that is likely to be a PITA to
maintain.

cheers


#!/usr/bin/python3

import sys
import re
from subprocess import check_output
from collections import Counter

if len(sys.argv) !=3D 2:
    print('Usage: %s <path>' % sys.argv[0], file=3Dsys.stderr)
    sys.exit(1)

fname =3D sys.argv[1]

cmd =3D ['git', 'log', '--format=3D%s', '-n', '100', fname]
output =3D check_output(cmd).decode('utf-8')

ignore =3D ['License', 'Merge']

# Ordered list of patterns
patterns =3D [
    # Common style "foo/bar/baz: Fix the foo"
    re.compile('^([\w\-_]+: )+'),
    # Less common "foo bar baz: Fix the foo"
    re.compile('^([\w\-_]+:? )+: ')
]

words =3D []
for line in output.splitlines():
    prefix =3D line.split()[0]
    for patt in patterns:
        match =3D patt.search(line)
        if match:
            prefix =3D match.group(0)
            break

    if prefix in ignore:
        continue

    words.append(prefix)

# Warn if we didn't find many examples
if len(words) < 5:
    print("Warning: only found %d previous commits to guess from for" % len=
(words),
          fname, file=3Dsys.stderr)

counts =3D Counter(words)
print(counts.most_common(1)[0][0])

  parent reply	other threads:[~2018-02-20  6:19 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-17 21:19 [PATCH] fix double ;;s in code Pavel Machek
2018-02-18 10:00 ` Christophe LEROY
2018-02-19 15:41   ` Daniel Vetter
2018-02-19 19:33     ` Pavel Machek
2018-02-20  1:25       ` Rob Clark
2018-02-20  8:03       ` Jani Nikula
2018-02-20 16:34         ` Alex Deucher
2018-02-20 23:47         ` Andrew Morton
2018-02-20  6:19     ` Michael Ellerman [this message]
2018-02-20 16:41       ` Joe Perches
2018-02-20  5:33 ` Vineet Gupta
2018-02-22  9:09 ` Shawn Guo
2018-02-24  8:52   ` Pavel Machek
2018-02-24  8:56     ` Shawn Guo

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=87vaesrxn0.fsf@concordia.ellerman.id.au \
    --to=mpe@ellerman$(echo .)id.au \
    --cc=Alexey.Brodkin@synopsys$(echo .)com \
    --cc=Andrey.Grodzovsky@amd$(echo .)com \
    --cc=David1.Zhou@amd$(echo .)com \
    --cc=Ding.Wang@amd$(echo .)com \
    --cc=JinHuiEric.Huang@amd$(echo .)com \
    --cc=Monk.Liu@amd$(echo .)com \
    --cc=Rex.Zhu@amd$(echo .)com \
    --cc=Vladislav.Zakharov@synopsys$(echo .)com \
    --cc=Wenjing.Liu@amd$(echo .)com \
    --cc=aik@ozlabs$(echo .)ru \
    --cc=airlied@linux$(echo .)ie \
    --cc=airlied@redhat$(echo .)com \
    --cc=aishpant@gmail$(echo .)com \
    --cc=akpm@linux-foundation$(echo .)org \
    --cc=alexander.deucher@amd$(echo .)com \
    --cc=alistair@popple$(echo .)id.au \
    --cc=amd-gfx@lists$(echo .)freedesktop.org \
    --cc=andresx7@gmail$(echo .)com \
    --cc=architt@codeaurora$(echo .)org \
    --cc=ard.biesheuvel@linaro$(echo .)org \
    --cc=axboe@kernel$(echo .)dk \
    --cc=benh@kernel$(echo .)crashing.org \
    --cc=catalin.marinas@arm$(echo .)com \
    --cc=christian.koenig@amd$(echo .)com \
    --cc=christophe.leroy@c-s$(echo .)fr \
    --cc=dan.carpenter@oracle$(echo .)com \
    --cc=daniel.lezcano@linaro$(echo .)org \
    --cc=daniel.vetter@ffwll$(echo .)ch \
    --cc=daniel@ffwll$(echo .)ch \
    --cc=david@gibson$(echo .)dropbear.id.au \
    --cc=dri-devel@lists$(echo .)freedesktop.org \
    --cc=elfring@users$(echo .)sourceforge.net \
    --cc=fabio.estevam@nxp$(echo .)com \
    --cc=fbarrat@linux$(echo .)vnet.ibm.com \
    --cc=freedreno@lists$(echo .)freedesktop.org \
    --cc=harry.wentland@amd$(echo .)com \
    --cc=heiko@sntech$(echo .)de \
    --cc=hersenxs.wu@amd$(echo .)com \
    --cc=hpa@zytor$(echo .)com \
    --cc=iommu@lists$(echo .)linux-foundation.org \
    --cc=jcrouse@codeaurora$(echo .)org \
    --cc=joe@perches$(echo .)com \
    --cc=jonathan.derrick@intel$(echo .)com \
    --cc=joro@8bytes$(echo .)org \
    --cc=kernel@pengutronix$(echo .)de \
    --cc=kvm-ppc@vger$(echo .)kernel.org \
    --cc=linus.walleij@linaro$(echo .)org \
    --cc=linux-arm-kernel@lists$(echo .)infradead.org \
    --cc=linux-arm-msm@vger$(echo .)kernel.org \
    --cc=linux-block@vger$(echo .)kernel.org \
    --cc=linux-efi@vger$(echo .)kernel.org \
    --cc=linux-kernel@vger$(echo .)kernel.org \
    --cc=linux-raid@vger$(echo .)kernel.org \
    --cc=linux-snps-arc@lists$(echo .)infradead.org \
    --cc=linux@armlinux$(echo .)org.uk \
    --cc=linuxppc-dev@lists$(echo .)ozlabs.org \
    --cc=maxime.ripard@free-electrons$(echo .)com \
    --cc=mhocko@suse$(echo .)com \
    --cc=mingo@redhat$(echo .)com \
    --cc=narmstrong@baylibre$(echo .)com \
    --cc=nicolai.haehnle@amd$(echo .)com \
    --cc=noamca@mellanox$(echo .)com \
    --cc=noralf@tronnes$(echo .)org \
    --cc=oleg@redhat$(echo .)com \
    --cc=paulus@ozlabs$(echo .)org \
    --cc=pavel@ucw$(echo .)cz \
    --cc=robdclark@gmail$(echo .)com \
    --cc=robh@kernel$(echo .)org \
    --cc=ruscur@russell$(echo .)cc \
    --cc=sboyd@codeaurora$(echo .)org \
    --cc=scott.bauer@intel$(echo .)com \
    --cc=shawnguo@kernel$(echo .)org \
    --cc=shli@kernel$(echo .)org \
    --cc=sylvia.tsai@amd$(echo .)com \
    --cc=tglx@linutronix$(echo .)de \
    --cc=tony.cheng@amd$(echo .)com \
    --cc=vbabka@suse$(echo .)cz \
    --cc=vgupta@synopsys$(echo .)com \
    --cc=ville.syrjala@linux$(echo .)intel.com \
    --cc=viresh.kumar@linaro$(echo .)org \
    --cc=wens@csie$(echo .)org \
    --cc=will.deacon@arm$(echo .)com \
    --cc=x86@kernel$(echo .)org \
    --cc=yamada.masahiro@socionext$(echo .)com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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