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[Bug libc/21026] [MIPS] readahead syscall is broken on n64
- From: "joseph at codesourcery dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 05 Jan 2017 14:05:56 +0000
- Subject: [Bug libc/21026] [MIPS] readahead syscall is broken on n64
- Auto-submitted: auto-generated
- References: <bug-21026-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21026
--- Comment #4 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
sysdeps/unix/sysv/linux/wordsize-64 cannot be used for n64 because it
implies struct stat = struct stat64, which is not the case for n64.
I suppose https://sourceware.org/ml/libc-alpha/2016-09/msg00527.html needs
to be reviewed (with a careful check against the kernel ABI for all
supported glibc configurations). Unfortunately I don't see a way for the
glibc testsuite to verify correctness here (by passing function arguments
that would produce a different return from the syscall if the arguments
are passed incorrectly).
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