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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthias Maennich <maennich@google.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"Cc: Android Kernel" <kernel-team@android.com>,
	Jessica Yu <jeyu@kernel.org>, Martijn Coenen <maco@android.com>,
	Lucas De Marchi <lucas.de.marchi@gmail.com>,
	Shaun Ruffell <sruffell@sruffell.net>,
	Will Deacon <will@kernel.org>,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	linux-modules <linux-modules@vger.kernel.org>
Subject: Re: [PATCH 1/4] modpost: delegate updating namespaces to separate function
Date: Sat, 12 Oct 2019 12:19:58 +0900
Message-ID: <CAK7LNAQbgtnP_P6aZEO7bHNL+w641ED+19TXCXKkU=dE+gyBGQ@mail.gmail.com> (raw)
In-Reply-To: <20191011153253.GB1283883@kroah.com>

On Sat, Oct 12, 2019 at 12:33 AM Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> On Thu, Oct 10, 2019 at 04:14:40PM +0100, Matthias Maennich wrote:
> > Let the function 'sym_update_namespace' take care of updating the
> > namespace for a symbol. While this currently only replaces one single
> > location where namespaces are updated, in a following patch, this
> > function will get more call sites.
> >
> > The function signature is intentionally close to sym_update_crc and
> > taking the name by char* seems like unnecessary work as the symbol has
> > to be looked up again. In a later patch of this series, this concern
> > will be addressed.
> >
> > This function ensures that symbol::namespace is either NULL or has a
> > valid non-empty value. Previously, the empty string was considered 'no
> > namespace' as well and this lead to confusion.
> >
> > Signed-off-by: Matthias Maennich <maennich@google.com>
> > ---
> >  scripts/mod/modpost.c | 21 ++++++++++++++++++---
> >  1 file changed, 18 insertions(+), 3 deletions(-)
> >
> > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> > index 4d2cdb4d71e3..9f5dcdff4d2f 100644
> > --- a/scripts/mod/modpost.c
> > +++ b/scripts/mod/modpost.c
> > @@ -362,6 +362,22 @@ static char *sym_extract_namespace(const char **symname)
> >       return namespace;
> >  }
> >
> > +static void sym_update_namespace(const char *symname, const char *namespace)
> > +{
> > +       struct symbol *s = find_symbol(symname);
> > +       /* That symbol should have been created earlier and thus this is
> > +        * actually an assertion. */
>
> Do we care about checkpatch issues in tools?

Personally, I do.


>
> If so, you need a blank line before the comment :)

One more minor issue, the block comment style is not correct.
Please do like this:

/*
 * Blah Blah ...
 * Blah Blha ...
 */

With those addressed,

Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>



>
> Anyway, not a big deal
>
> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>





-- 
Best Regards
Masahiro Yamada

  reply index

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 15:14 [PATCH 0/4] export/modpost: avoid renaming __ksymtab entries for symbol namespaces Matthias Maennich
2019-10-10 15:14 ` [PATCH 1/4] modpost: delegate updating namespaces to separate function Matthias Maennich
2019-10-11 14:24   ` Will Deacon
2019-10-11 15:32   ` Greg Kroah-Hartman
2019-10-12  3:19     ` Masahiro Yamada [this message]
2019-10-10 15:14 ` [PATCH 2/4] modpost: make updating the symbol namespace explict Matthias Maennich
2019-10-11 14:24   ` Will Deacon
2019-10-11 15:33   ` Greg Kroah-Hartman
2019-10-12  3:22   ` Masahiro Yamada
2019-10-10 15:14 ` [PATCH 3/4] symbol namespaces: revert to previous __ksymtab name scheme Matthias Maennich
2019-10-11 14:24   ` Will Deacon
2019-10-11 15:33   ` Greg Kroah-Hartman
2019-10-12  3:35   ` Masahiro Yamada
2019-10-10 15:14 ` [PATCH 4/4] export: avoid code duplication in include/linux/export.h Matthias Maennich
2019-10-11 15:31   ` Greg Kroah-Hartman
2019-10-11 15:43     ` Matthias Maennich
2019-10-12  4:25       ` Masahiro Yamada
2019-10-18  9:31 ` [PATCH v2 0/4] export/modpost: avoid renaming __ksymtab entries for symbol namespaces Matthias Maennich
2019-10-18  9:31   ` [PATCH v2 1/4] modpost: delegate updating namespaces to separate function Matthias Maennich
2019-10-18  9:31   ` [PATCH v2 2/4] modpost: make updating the symbol namespace explicit Matthias Maennich
2019-10-18  9:31   ` [PATCH v2 3/4] symbol namespaces: revert to previous __ksymtab name scheme Matthias Maennich
2019-10-18  9:31   ` [PATCH v2 4/4] export: avoid code duplication in include/linux/export.h Matthias Maennich
2019-10-21 13:31   ` [PATCH v2 0/4] export/modpost: avoid renaming __ksymtab entries for symbol namespaces Jessica Yu
2019-10-23 12:22   ` Luis Chamberlain
2019-10-24  9:35     ` Matthias Maennich
2019-10-24 10:24       ` Luis Chamberlain

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