From: Rusty Russell <rusty@rustcorp.com.au>
To: "Paul E. McKenney" <pmckenne@us.ibm.com>
Cc: torvalds@transmeta.com (Linus Torvalds),
dipankar@in.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: RFC: patch to allow lock-free traversal of lists with insertion ^M
Date: Sun, 14 Oct 2001 07:23:11 +1000 [thread overview]
Message-ID: <E15sWFT-0005tf-00@wagner> (raw)
In-Reply-To: Your message of "Sat, 13 Oct 2001 09:28:15 PDT." <200110131628.f9DGSGW09534@eng4.beaverton.ibm.com>
In message <200110131628.f9DGSGW09534@eng4.beaverton.ibm.com> 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
PPC IIUC).
The stillborn smp_mb() etc. can then be abandoned.
Rusty.
--
Premature optmztion is rt of all evl. --DK
next prev parent reply other threads:[~2001-10-13 21:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-10 15:24 [Lse-tech] Re: RFC: patch to allow lock-free traversal of lists with insertion Paul McKenney
2001-10-10 16:58 ` Andrea Arcangeli
2001-10-10 17:25 ` Linus Torvalds
2001-10-12 5:06 ` Rusty Russell
2001-10-12 16:28 ` Linus Torvalds
2001-10-12 19:50 ` Al Dunsmuir
2001-10-13 1:07 ` Paul Mackerras
2001-10-13 1:54 ` Davide Libenzi
2001-10-13 2:04 ` Linus Torvalds
2001-10-13 2:31 ` Davide Libenzi
2001-10-13 2:46 ` Davide Libenzi
2001-10-13 3:30 ` Linus Torvalds
2001-10-13 2:49 ` Paul Mackerras
2001-10-13 14:11 ` Re: RFC: patch to allow lock-free traversal of lists Paul E. McKenney
2001-10-13 2:00 ` [Lse-tech] Re: RFC: patch to allow lock-free traversal of lists with insertion Linus Torvalds
2001-10-13 13:54 ` [Lse-tech] Re: RFC: patch to allow lock-free traversal of lists Alan Cox
2001-10-13 7:38 ` [Lse-tech] Re: RFC: patch to allow lock-free traversal of lists with insertion Rusty Russell
2001-10-13 16:28 ` Re: RFC: patch to allow lock-free traversal of lists with insertion ^M Paul E. McKenney
2001-10-13 21:23 ` Rusty Russell [this message]
2001-10-12 5:43 ` [Lse-tech] Re: RFC: patch to allow lock-free traversal of lists with Albert D. Cahalan
2001-10-12 6:26 ` Paul Mackerras
2001-10-12 8:28 ` Alex Bligh - linux-kernel
2001-10-12 8:51 ` Jonathan Lundell
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