[Bug tapsets/19905] preadv2/pwritev2 missing from syscall tapset

[dsmith at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19905

David Smith <dsmith at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|systemtap at sourceware dot org    |dsmith at redhat dot com

--- Comment #1 from David Smith <dsmith at redhat dot com> ---
While working on this one, I've discovered a kernel bug - the syscalls were
wired up incorrectly in the x86_64 syscall table. In compat mode, the syscalls
are still wired up to sys_preadv2/sys_pwritev2 instead of
compat_sys_preadv2/compat_sys_pwritev2.

I've sent email to Christoph Hellwig, the author of the patch that added the
syscalls to the x86_64 syscall table. He's agreed that it doesn't look right,
and we're working through the problem.

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