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Date: Sun, 11 Apr 2010 18:47:01 +0200 From: Pavel Machek <pavel@....cz> To: kernel list <linux-kernel@...r.kernel.org>, Linus Torvalds <torvalds@...ux-foundation.org> Cc: Andrew Morton <akpm@...l.org> Subject: LOCALVERSION_AUTO considered harmful LOCALVERSION_AUTO has nasty interaction with modules, warn about it. Signed-off-by: Pavel Machek <pavel@....cz> diff --git a/init/Kconfig b/init/Kconfig index eb77e8c..5d33072 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -88,7 +88,6 @@ config LOCALVERSION config LOCALVERSION_AUTO bool "Automatically append version information to the version string" - default y help This will try to automatically determine if the current tree is a release tree by looking for git tags that belong to the current @@ -99,6 +98,11 @@ config LOCALVERSION_AUTO appended after any matching localversion* files, and after the value set in CONFIG_LOCALVERSION. + Unfortunately, such finegrained versioning will mean that you will + not be able to use modules for development; even "make modules" + will change module versions, making recompiled modules impossible + to insert into old kernel. + (The actual string used here is the first eight characters produced by running the command: -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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