All of lore.kernel.org
 help / color / mirror / Atom feed
From: Masahiro Yamada <masahiroy@kernel.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: linux-s390 <linux-s390@vger.kernel.org>,
	Nicolas Schier <nicolas@fjasle.eu>,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	clang-built-linux <llvm@lists.linux.dev>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Sami Tolvanen <samitolvanen@google.com>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Ard Biesheuvel <ardb@kernel.org>,
	linux-modules <linux-modules@vger.kernel.org>
Subject: Re: [PATCH v4 03/14] modpost: split the section mismatch checks into section-check.c
Date: Tue, 10 May 2022 15:55:53 +0900	[thread overview]
Message-ID: <CAK7LNARGNEDzPPUsPjDXsXUUUPSFK2erQRuyPocR_v5hTYRihg@mail.gmail.com> (raw)
In-Reply-To: <CAKwvOd=LR=UNOeWJDmM-McJ=FrCWTo8w1ox+KGMQCwCVpiUyFg@mail.gmail.com>

On Tue, May 10, 2022 at 2:20 AM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Sun, May 8, 2022 at 12:10 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
> >
> > modpost.c is too big, and the half of the code is for section checks.
> > Split it.
> >
> > I fixed some style issues in the moved code.
>
> It would be helpful for review if the split and restyle were distinct
> patches.  Otherwise I can't tell what has changed.
>
> This does lose the ability to use git blame to get more context on
> some of the oddities in modpost (which I have found useful in the
> past).  I don't feel strongly though.


OK, I will just move the code in v5.





> > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> > index a78b75f0eeb0..e7e2c70a98f5 100644
> > --- a/scripts/mod/modpost.c
> > +++ b/scripts/mod/modpost.c
> > @@ -31,7 +31,7 @@ static bool external_module;
> >  /* Only warn about unresolved symbols */
> >  static bool warn_unresolved;
> >
> > -static int sec_mismatch_count;
> > +int sec_mismatch_count;
>
> ^ this should go in modpost.h if it is to be used in two translation
> units, rather than forward declaring it in section-check.c.  You did
> this for the functions.


Sorry, I do not understand.


In modpost.h, I put the declaration:

  extern int sec_mismatch_count;

If I moved it to the header without 'extern'
I would get multiple definitions.







--
Best Regards
Masahiro Yamada

WARNING: multiple messages have this Message-ID
From: Masahiro Yamada <masahiroy@kernel.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nicolas Schier <nicolas@fjasle.eu>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-modules <linux-modules@vger.kernel.org>,
	linux-s390 <linux-s390@vger.kernel.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Ard Biesheuvel <ardb@kernel.org>,
	Sami Tolvanen <samitolvanen@google.com>,
	clang-built-linux <llvm@lists.linux.dev>
Subject: Re: [PATCH v4 03/14] modpost: split the section mismatch checks into section-check.c
Date: Tue, 10 May 2022 15:55:53 +0900	[thread overview]
Message-ID: <CAK7LNARGNEDzPPUsPjDXsXUUUPSFK2erQRuyPocR_v5hTYRihg@mail.gmail.com> (raw)
In-Reply-To: <CAKwvOd=LR=UNOeWJDmM-McJ=FrCWTo8w1ox+KGMQCwCVpiUyFg@mail.gmail.com>

On Tue, May 10, 2022 at 2:20 AM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Sun, May 8, 2022 at 12:10 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
> >
> > modpost.c is too big, and the half of the code is for section checks.
> > Split it.
> >
> > I fixed some style issues in the moved code.
>
> It would be helpful for review if the split and restyle were distinct
> patches.  Otherwise I can't tell what has changed.
>
> This does lose the ability to use git blame to get more context on
> some of the oddities in modpost (which I have found useful in the
> past).  I don't feel strongly though.


OK, I will just move the code in v5.





> > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> > index a78b75f0eeb0..e7e2c70a98f5 100644
> > --- a/scripts/mod/modpost.c
> > +++ b/scripts/mod/modpost.c
> > @@ -31,7 +31,7 @@ static bool external_module;
> >  /* Only warn about unresolved symbols */
> >  static bool warn_unresolved;
> >
> > -static int sec_mismatch_count;
> > +int sec_mismatch_count;
>
> ^ this should go in modpost.h if it is to be used in two translation
> units, rather than forward declaring it in section-check.c.  You did
> this for the functions.


Sorry, I do not understand.


In modpost.h, I put the declaration:

  extern int sec_mismatch_count;

If I moved it to the header without 'extern'
I would get multiple definitions.







--
Best Regards
Masahiro Yamada

  reply	other threads:[~2022-05-10  6:58 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-08 19:06 [PATCH v4 00/14] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS, export.h) Masahiro Yamada
2022-05-08 19:06 ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 01/14] modpost: remove left-over cross_compile declaration Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09 17:08   ` Nick Desaulniers
2022-05-09 17:08     ` Nick Desaulniers
2022-05-12  4:35   ` Masahiro Yamada
2022-05-12  4:35     ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 02/14] modpost: change the license of EXPORT_SYMBOL to bool type Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-12  4:36   ` Masahiro Yamada
2022-05-12  4:36     ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 03/14] modpost: split the section mismatch checks into section-check.c Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09 17:19   ` Nick Desaulniers
2022-05-09 17:19     ` Nick Desaulniers
2022-05-10  6:55     ` Masahiro Yamada [this message]
2022-05-10  6:55       ` Masahiro Yamada
2022-05-11 18:47       ` Nick Desaulniers
2022-05-11 18:47         ` Nick Desaulniers
2022-05-11 19:27         ` Masahiro Yamada
2022-05-11 19:27           ` Masahiro Yamada
2022-05-11 19:51           ` Jeff Johnson
2022-05-11 19:51             ` Jeff Johnson
2022-05-11 20:01             ` Nick Desaulniers
2022-05-11 20:01               ` Nick Desaulniers
2022-05-08 19:06 ` [PATCH v4 04/14] modpost: add sym_find_with_module() helper Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 05/14] modpost: extract symbol versions from *.cmd files Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09 21:52   ` Sami Tolvanen
2022-05-09 21:52     ` Sami Tolvanen
2022-05-08 19:06 ` [PATCH v4 06/14] kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09 17:50   ` Nick Desaulniers
2022-05-09 17:50     ` Nick Desaulniers
2022-05-10 13:03     ` Masahiro Yamada
2022-05-10 13:03       ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 07/14] kbuild: stop merging *.symversions Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 08/14] genksyms: adjust the output format to modpost Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 09/14] kbuild: do not create *.prelink.o for Clang LTO or IBT Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09 23:13   ` Sami Tolvanen
2022-05-09 23:13     ` Sami Tolvanen
2022-05-08 19:06 ` [PATCH v4 10/14] kbuild: check static EXPORT_SYMBOL* by script instead of modpost Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09 18:05   ` Nick Desaulniers
2022-05-09 18:05     ` Nick Desaulniers
2022-05-10 13:53     ` Masahiro Yamada
2022-05-10 13:53       ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 11/14] kbuild: make built-in.a rule robust against too long argument error Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 12/14] kbuild: make *.mod " Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 13/14] kbuild: add cmd_and_savecmd macro Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-08 19:06 ` [PATCH v4 14/14] kbuild: rebuild multi-object modules when objtool is updated Masahiro Yamada
2022-05-08 19:06   ` Masahiro Yamada
2022-05-09  4:24 ` [PATCH v4 00/14] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS, export.h) Masahiro Yamada
2022-05-09  4:24   ` Masahiro Yamada
2022-05-09 22:13   ` Nathan Chancellor
2022-05-09 22:13     ` Nathan Chancellor
2022-05-10  6:55     ` Masahiro Yamada
2022-05-10  6:55       ` Masahiro Yamada
2022-05-09 22:19   ` Nathan Chancellor
2022-05-09 22:19     ` Nathan Chancellor

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=CAK7LNARGNEDzPPUsPjDXsXUUUPSFK2erQRuyPocR_v5hTYRihg@mail.gmail.com \
    --to=masahiroy@kernel.org \
    --cc=ardb@kernel.org \
    --cc=linux-kbuild@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-modules@vger.kernel.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=llvm@lists.linux.dev \
    --cc=nathan@kernel.org \
    --cc=ndesaulniers@google.com \
    --cc=nicolas@fjasle.eu \
    --cc=peterz@infradead.org \
    --cc=samitolvanen@google.com \
    --subject='Re: [PATCH v4 03/14] modpost: split the section mismatch checks into section-check.c' \
    /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

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.