Gleb> Before you do it check libmthca/src/buf.c file please. It
Gleb> look funny at least in patch you've sent (as if somebody did
Gleb> cat buf.c >> buf.c)
Yes that was just a bad copy and paste into my mail.
Roland> But one last call for comments: in particular, does anyone
Roland> object to libibverbs being fork-unsafe by default unless
Roland> ibv_fork_init is called?
Gleb> I am not sure about this one. The library like MPI will have
Gleb> to always call this anyway. On the other side if some
Gleb> library calls fork() without application knowing it?
Gleb> Suddenly programmer should care about such details. Perhaps
Gleb> opt out is better the opt in and libibverbs should skip
Gleb> ibv_fork_init() only if application ask this explicitly?
But then what should libibverbs do on a kernel that doesn't support
the required madvise(MADV_DONTFORK) call?
It's fine if MPI calls ibv_fork_init() always -- at least then it has
a hint about whether fork() will work.
Do you know if there are libraries that call fork()?
- R.
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