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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
To: David Marchand <david.marchand@redhat.com>
Cc: Thomas Monjalon <thomas@monjalon.net>,
	Neil Horman <nhorman@tuxdriver.com>, dev <dev@dpdk.org>,
	Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	dpdk stable <stable@dpdk.org>, <bingz@mellanox.com>
Subject: Re: [dpdk-dev] [EXT] Re: [PATCH] devtools: fix check symbol change script
Date: Mon, 23 Mar 2020 14:58:09 +0530	[thread overview]
Message-ID: <20200323092809.GA16547@outlook.office365.com> (raw)
In-Reply-To: <CAJFAV8zXtt1frPjbyGpT8UOf95vMFAT_kWcTEN1npiuUvAYkzw@mail.gmail.com>

On Mon, Mar 23, 2020 at 09:13:22AM +0100, David Marchand wrote:
> External Email
> 
> ----------------------------------------------------------------------
> On Thu, Mar 19, 2020 at 3:44 PM Nithin Dabilpuram
> <ndabilpuram@marvell.com> wrote:
> > diff --git a/devtools/check-symbol-change.sh b/devtools/check-symbol-change.sh
> > index c5434f3..19ce82f 100755
> > --- a/devtools/check-symbol-change.sh
> > +++ b/devtools/check-symbol-change.sh
> > @@ -17,13 +17,13 @@ build_map_changes()
> >                 # map files are altered, and all section/symbol names
> >                 # appearing between a triggering of this rule and the
> >                 # next trigger of this rule are associated with this file
> > -               /[-+] a\/.*\.map/ {map=$2; in_map=1}
> > +               /[-+] [ab]\/.*\.map/ {map=$2; in_map=1}
> >
> >                 # Same pattern as above, only it matches on anything that
> >                 # does not end in 'map', indicating we have left the map chunk.
> >                 # When we hit this, turn off the in_map variable, which
> >                 # supresses the subordonate rules below
> > -               /[-+] a\/.*\.[^map]/ {in_map=0}
> > +               /[-+] [ab]\/.*\.[^map]/ {in_map=0}
> 
> [^map] does not mean "not word map" but actually "none of the
> character m, a or p".
> 
> So potentially, any file extension starting with m, a or p could
> trigger an issue.
> For example, a change in .mk files, .py files and
> ./devtools/check-forbidden-tokens.awk ./devtools/libabigail.abignore
> could lead to incorrect symbol check.
> 
> How about the following change:
> 
> diff --git a/devtools/check-symbol-change.sh b/devtools/check-symbol-change.sh
> index c5434f3bb0..ed2178e36e 100755
> --- a/devtools/check-symbol-change.sh
> +++ b/devtools/check-symbol-change.sh
> @@ -17,13 +17,11 @@ build_map_changes()
>                 # map files are altered, and all section/symbol names
>                 # appearing between a triggering of this rule and the
>                 # next trigger of this rule are associated with this file
> -               /[-+] a\/.*\.map/ {map=$2; in_map=1}
> +               /[-+] [ab]\/.*\.map/ {map=$2; in_map=1; next}
> 
> -               # Same pattern as above, only it matches on anything that
> -               # does not end in 'map', indicating we have left the map chunk.
> -               # When we hit this, turn off the in_map variable, which
> -               # supresses the subordonate rules below
> -               /[-+] a\/.*\.[^map]/ {in_map=0}
> +               # The previous rule catches all .map files, anything else
> +               # indicates we left the map chunk.
> +               /[-+] [ab]\// {in_map=0}
> 
>                 # Triggering this rule, which starts a line and ends it
>                 # with a { identifies a versioned section.  The section name is
> 
> 

Agreed. I tested and it works fine for me. I can send a V2 with this change if it is fine.
> -- 
> David Marchand
> 

  reply	other threads:[~2020-03-23  9:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 14:44 [dpdk-dev] " Nithin Dabilpuram
2020-03-19 14:56 ` David Marchand
2020-03-19 15:40   ` Neil Horman
2020-03-19 15:45     ` [dpdk-dev] [EXT] " Nithin Dabilpuram
2020-03-19 18:59       ` Neil Horman
2020-03-19 15:49     ` [dpdk-dev] " Bing Zhao
2020-03-22 14:37 ` Jerin Jacob
2020-03-23  8:13 ` David Marchand
2020-03-23  9:28   ` Nithin Dabilpuram [this message]
2020-03-23  9:30     ` [dpdk-dev] [dpdk-stable] [EXT] " David Marchand
2020-03-23 11:56 ` [dpdk-dev] [PATCH v2] " Nithin Dabilpuram
2020-03-23 13:19   ` David Marchand

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