Re: [PATCH RFC] kconfig: place git SHA1 in .config output if ingit tree
From: Paul E. McKenney
Date: Tue Mar 02 2010 - 21:19:09 EST
On Wed, Mar 03, 2010 at 01:42:41AM +0100, Frans Pop wrote:
> On Wednesday 03 March 2010, Paul E. McKenney wrote:
> > > Wouldn't it be more logical to include the line in the dmesg output?
> > > My preference would be a separate line below the existing (Linux
> > > version) line. That line could only be output if the kernel was built
> > > from a VCS. It could then even be repeated in oops output.
> > My concern with only putting it in the dmesg output is that people do
> > not always capture that. The oops output is more often captured, but
> > the kernel only has this information if CONFIG_LOCALVERSION_AUTO is set.
> Yes, my suggestion is exactly because IMO it should be independent of
> I hugely dislike that option because it makes the git version part of the
> kernel version and thus affects how the kernel gets installed (names of
> files in /boot, name of the directory in /lib/modules, name of the Debian
> package created using the deb-pkg target, etc.).
> For all those things I want a "clean" kernel version and thus I will never
> enable CONFIG_LOCALVERSION_AUTO.
That does sound a bit painful...
> But I do see the value of a reliable and consistent identification of what
> exact source a kernel was built from. Including the git version separately
> from the kernel version would allow that.
Fortunately, scripts/setlocalversion seems to run quite a bit faster the
second time I run it, probably due to various caches having been warmed
up the first time. Because doing all of this straightforwardly means up
to three invocations in a given kernel build. ;-)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/