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[Bug libc/21026] [MIPS] readahead syscall is broken on n64


https://sourceware.org/bugzilla/show_bug.cgi?id=21026

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=30733525c6867c160261db1afade6326000f9f75

commit 30733525c6867c160261db1afade6326000f9f75
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Thu Jan 5 17:35:53 2017 +0000

    Fix MIPS n64 readahead (bug 21026).

    As noted in bug 20126, MIPS n64 uses an incorrect implementation of
    readahead intended for 32-bit systems.  This patch adds a
    syscalls.list entry to fix this.  An updated version of the
    consolidation patch
    <https://sourceware.org/ml/libc-alpha/2016-09/msg00527.html> could
    remove this syscalls.list entry again.

    Tested with compilation (only) for mips64; the nature of the syscall
    doesn't allow for a glibc test to detect this issue.

        [BZ #21026]
        * sysdeps/unix/sysv/linux/mips/mips64/n64/syscalls.list
        (readahead): New syscall entry.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                          |    6 ++++++
 .../unix/sysv/linux/mips/mips64/n64/syscalls.list  |    2 ++
 2 files changed, 8 insertions(+), 0 deletions(-)

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