Re: RFC: patch to allow lock-free traversal of lists with insertion ^M

From: Rusty Russell (
Date: Sat Oct 13 2001 - 16:23:11 EST

In message <> you write:
> OK, here is an RFC patch with the read_barrier_depends(). (I know that
> the indentation is messed up, will fix when I add the read_barrier()
> and friends).

Yep, this is a 2.5 thing: we should probably combine change the
barriers so read_barrier et. al. only have effect on SMP, and then
have io_read_barrier for IO (these can be usefully differentiated on

The stillborn smp_mb() etc. can then be abandoned.


Premature optmztion is rt of all evl. --DK
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Mon Oct 15 2001 - 21:00:51 EST