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[Bug libc/13554] New: Remove support for pre-2.6 Linux kernels
- From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Tue, 03 Jan 2012 22:19:42 +0000
- Subject: [Bug libc/13554] New: Remove support for pre-2.6 Linux kernels
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=13554
Bug #: 13554
Summary: Remove support for pre-2.6 Linux kernels
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper.fsp@gmail.com
ReportedBy: jsm28@gcc.gnu.org
Classification: Unclassified
I believe we no longer need to be concerned about use of new glibc on pre-2.6
Linux kernels, although Roland is less sure about removing that support
immediately.
Requiring 2.6 (final 2.6.0, not 2.6.0-test*) would allow, most simply, changing
the arch_minimum_kernel defaults in sysdeps/unix/sysv/linux/configure.in to
2.6.0; that would get the benefits for any user configuring without
--enable-kernel, although not the benefits of cleaner glibc internals. It
would then be possible to clean things up incrementally: where __ASSUME_*
macros are defined in kernel-features.h for 2.6.0 or before (or for 2.6.1 or
before where the only reason for a 2.6.1 conditional is 2.6.0-test* kernels
without the feature) they could be defined unconditionally (or conditional only
on the architecture in some cases). And if a feature was present in 2.6.0 on
all architectures, conditionals on the relevant __ASSUME_* in Linux-specific
code can be removed, along with the macro definition if it's not tested outside
Linux-specific code.
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