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Re: Requiring Linux 3.2 for glibc 2.24

On 1/31/16 2:22 PM, Joseph Myers wrote:
As Linux 2.6.32 has been announced to reach end-of-line next month
<>, I propose that for glibc 2.24 we
require Linux 3.2 as the minimum kernel version when glibc is used on
systems with the Linux kernel and there isn't already a more recent
architecture-specific minimum.  This would continue to be the minimum
until 3.2 reaches EOL (currently listed as May 2018 at
<>).  3.2 would thus also be
the minimum headers version as well as the minimum version at runtime.

This would eliminate every version-specific conditional in the
architecture-independent kernel-features.h as well as those for alpha mips
powerpc sh sparc tile x86_64 and some version-specific conditionals in
headers for other architectures.  How this translates into simplifying
other code varies, since some macros may still be undefined for some
architectures (unconditionally or conditionally on a post-3.2 version),
and some __ASSUME_* macros are tested in code also used on non-Linux

Agree. This would clean up nicely the powerpc-specific kernel-features.h.

Carlos Eduardo Seo
Software Engineer - Linux on Power Toolchain

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