Messages in this thread |  | | Date | Fri, 5 Feb 2021 23:01:59 -0500 | From | Sasha Levin <> | Subject | Re: [PATCH 3/3] kbuild: introduce KERNEL_VERSION2 and LINUX_VERSION_CODE2 |
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On Fri, Feb 05, 2021 at 10:50:33PM -0500, Sasha Levin wrote: >SUBLEVEL only has 8 bits of space, which means that we'll overflow it >once it reaches 256. > >Few of the stable branches will imminently overflow SUBLEVEL while >there's no risk of overflowing VERSION. > >Thus, give SUBLEVEL 8 more bits which will be stolen from VERSION, this >should create a better balance between the different version numbers we >use. > >We can't however use the original KERNEL_VERSION and LINUX_VERSION_CODE >as userspace has created ABI dependency on their structure, and we risk >breaking this userspace by modifying the layout of the version integers. > >Cc: stable@kernel.org >Signed-off-by: Sasha Levin <sashal@kernel.org> >Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> >Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
I wanted to re-use an older commit but forgot to drop the two tags above. The tags from Masahiro and Greg shouldn't be here, sorry about that.
-- Thanks, Sasha
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