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Should Linux VDSO be using symbol version based on the released kernel?
- From: Carlos O'Donell <carlos at redhat dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>, "Joseph S. Myers" <joseph at codesourcery dot com>, Roland McGrath <roland at hack dot frob dot com>
- Date: Wed, 4 May 2016 12:37:01 -0400
- Subject: Should Linux VDSO be using symbol version based on the released kernel?
- Authentication-results: sourceware.org; auth=none
The Linux VDSO uses a singular version string, different by
architecture, for all VDSO symbols e.g. LINUX_2.6.29 for s390x.
Should the Linux kernel be using LINUX_4.5 as the version string
for new VDSO symbols added in LINUX_4.5?
That way we can talk sensibly about what VDSO symbols were added
upstream, and talk sensible about the ABI/API being exported by
any given kernel via the VDSO?
Right now the version is really only meaningless version for
future compat support.