From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: rusty@rustcorp.com.au, mathieu.desnoyers@efficios.com,
oleg@redhat.com, paulmck@linux.vnet.ibm.com,
torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
andi@firstfloor.org, rostedt@goodmis.org, tglx@linutronix.de,
Michel Lespinasse <walken@google.com>,
Andrea Arcangeli <aarcange@redhat.com>,
David Woodhouse <David.Woodhouse@intel.com>,
Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 6/8] rbtree: Implement generic latch_tree
Date: Wed, 18 Mar 2015 17:20:15 +0100 [thread overview]
Message-ID: <20150318162014.GA17069@gmail.com> (raw)
In-Reply-To: <20150318134631.939369528@infradead.org>
* Peter Zijlstra <peterz@infradead.org> wrote:
> Implement a latched RB-tree in order to get unconditional RCU/lockless
> lookups.
Two very minor nits:
> +struct latch_tree_node {
> + /*
> + * Because we have an array of two entries in struct latch_tree_nodes
> + * its not possible to use container_of() to get back to the
> + * encapsulating structure; therefore we have to put in a back pointer.
> + */
> + void *priv;
> + struct rb_node node;
> +};
s/its/it's
> +/**
> + * latch_tree_erase() - removes @nodes from the trees @root
> + * @nodes: nodes to remote
> + * @root: trees to remove @nodes from
> + * @ops: operators defining the node order
> + *
> + * Removes @nodes from the trees @root in an ordered fashion such that we can
> + * always observe one complete tree. See the comment for
> + * raw_write_seqcount_latch().
> + *
> + * It is assumed that @nodes will observe one RCU quiesent state before being
> + * reused of freed.
s/quiesent/quiescent
Thanks,
Ingo
next prev parent reply other threads:[~2015-03-18 16:20 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-18 13:36 [PATCH 0/8] latched RB-trees and __module_address() Peter Zijlstra
2015-03-18 13:36 ` [PATCH 1/8] module: Sanitize RCU usage and locking Peter Zijlstra
2015-03-20 3:36 ` Rusty Russell
2015-03-18 13:36 ` [PATCH 2/8] module: Annotate module version magic Peter Zijlstra
2015-03-18 13:36 ` [PATCH 3/8] module, jump_label: Fix module locking Peter Zijlstra
2015-03-20 4:26 ` Rusty Russell
2015-03-20 9:11 ` Peter Zijlstra
2015-03-18 13:36 ` [PATCH 4/8] rbtree: Make lockless searches non-fatal Peter Zijlstra
2015-03-18 13:36 ` [PATCH 5/8] seqlock: Better document raw_write_seqcount_latch() Peter Zijlstra
2015-03-18 14:29 ` Mathieu Desnoyers
2015-03-18 14:50 ` Peter Zijlstra
2015-03-18 13:36 ` [PATCH 6/8] rbtree: Implement generic latch_tree Peter Zijlstra
2015-03-18 16:20 ` Ingo Molnar [this message]
2015-03-19 5:14 ` Andrew Morton
2015-03-19 7:25 ` Peter Zijlstra
2015-03-19 20:58 ` Andrew Morton
2015-03-19 21:36 ` Steven Rostedt
2015-03-19 21:38 ` Steven Rostedt
2015-03-19 21:47 ` Andrew Morton
2015-03-19 21:54 ` Steven Rostedt
2015-03-19 22:12 ` Peter Zijlstra
2015-03-19 22:04 ` Peter Zijlstra
2015-03-20 9:50 ` Peter Zijlstra
2015-03-19 22:10 ` Peter Zijlstra
2015-03-18 13:36 ` [PATCH 7/8] module: Optimize __module_address() using a latched RB-tree Peter Zijlstra
2015-03-18 13:36 ` [PATCH 8/8] module: Use __module_address() for module_address_lookup() Peter Zijlstra
2015-03-18 14:21 ` [PATCH 0/8] latched RB-trees and __module_address() Christoph Hellwig
2015-03-18 14:38 ` Peter Zijlstra
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