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Date:	Mon, 09 Jun 2014 23:04:47 +0200
From:	Michal Marek <>
To:	Yann Droneaud <>
CC:	Andrew Morton <>,
	Sam Ravnborg <>,
	Joonsoo Kim <>,
	Alexey Dobriyan <>,
	Ian Campbell <>,
	Jiri Slaby <>,,
	Michael Ellerman <>,
	Anton Blanchard <>,
	Benjamin Herrenschmidt <>,
	Hans-Bernhard Bröker 
	Hans-Bernhard Broeker <>,
	Neil Horman <>,
	Neil Horman <>,
	Gerhard Sittig <>,
	Konstantin Khlebnikov <>
Subject: Re: [PATCH] scripts/ ignore symlink'ed source files

Dne 21.5.2014 15:32, Yann Droneaud napsal(a):
> Since commit 22d651dcef536c75f75537290bf3da5038e68b6b ('selftests/powerpc:
> Import Anton's memcpy / copy_tofrom_user tests'), some source files in the
> tree appear as symlink.
> Until commit 8c38a5328af8080bc69a25b3e4e144b03eeea95e ('scripts/
> ignore code of user space tools'), those symlinks made cscope report some
> warnings:
>     $ make ALLSOURCE_ARCHS=all O=./obj-cscope/ cscope
>       GEN     cscope
>     cscope: cannot find
> file .../tools/testing/selftests/powerpc/copyloops/copyuser_power7.S
>     cscope: cannot find
> file .../tools/testing/selftests/powerpc/copyloops/memcpy_64.S
>     cscope: cannot find
> file .../tools/testing/selftests/powerpc/copyloops/memcpy_power7.S
>     cscope: cannot find
> file .../tools/testing/selftests/powerpc/copyloops/copyuser_64.S
> In order to prevent the same kind of warnings to be triggered by future
> addition of symlinks, the best option is to ignore all symlinks when
> building the file list to be processed by cscope (and other tools
> supported by scripts/
> Ignoring symlinks won't hide source files from cscope (and others) as the
> target of these symlinks already appear somewhere else in the tree, and,
> as such, should be processed by cscope (or others).
> Note that, cscope, when used with -R option to make it find the files to
> process by itself, already skip symlinks: it's not expected that cscope
> access source files through symlink.
> On top of commit 8c38a5328af8080bc69a25b3e4e144b03eeea95e ('scripts/
> ignore code of user space tools'), scripts/ output from
> "make cscope tags TAGS" is the same with and without this patch: it doesn't
> seems to introduce any regression (on Fedora 20).
> Link:
> Link:
> Cc: Michael Ellerman <>
> Cc: Anton Blanchard <>
> Cc: Benjamin Herrenschmidt <>
> Cc: Hans-Bernhard Bröker <>,
> Cc: Hans-Bernhard Broeker <>,
> Cc: Neil Horman <>
> Cc: Neil Horman <>
> Cc: Gerhard Sittig <>
> Cc: Konstantin Khlebnikov <>
> Signed-off-by: Yann Droneaud <>

Applied to kbuild.git#misc, thanks.


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