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From: David Miller <davem@davemloft.net>
To: tgraf@suug.ch
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	herbert@gondor.apana.org.au, paulmck@linux.vnet.ibm.com,
	edumazet@google.com, john.r.fastabend@intel.com,
	josh@joshtriplett.org
Subject: Re: [PATCH 0/9 net-next v2] rhashtable: Per bucket locks & deferred table resizing
Date: Sat, 03 Jan 2015 14:44:55 -0500 (EST)	[thread overview]
Message-ID: <20150103.144455.345230130702474137.davem@davemloft.net> (raw)
In-Reply-To: <cover.1420230585.git.tgraf@suug.ch>

From: Thomas Graf <tgraf@suug.ch>
Date: Fri,  2 Jan 2015 23:00:13 +0100

> Prepares for and introduces per bucket spinlocks and deferred table
> resizing. This allows for parallel table mutations in different hash
> buckets from atomic context. The resizing occurs in the background
> in a separate worker thread while lookups, inserts, and removals can
> continue.
> 
> Also modified the chain linked list to be terminated with a special
> nulls marker to allow entries to move between multiple lists.
> 
> Last but not least, reintroduces lockless netlink_lookup() with
> deferred Netlink socket destruction to avoid the side effect of
> increased netlink_release() runtime.

I'm sure that this might need a minor tweak or two still, but I really
like how you implemented this so I'll apply this series now.

Thanks!

      parent reply	other threads:[~2015-01-03 19:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-02 22:00 Thomas Graf
2015-01-02 22:00 ` [PATCH 1/9] rhashtable: Do hashing inside of rhashtable_lookup_compare() Thomas Graf
2015-01-16 15:37   ` Patrick McHardy
2015-01-16 16:00     ` Thomas Graf
2015-01-02 22:00 ` [PATCH 2/9] rhashtable: Use rht_obj() instead of manual offset calculation Thomas Graf
2015-01-02 22:00 ` [PATCH 3/9] rhashtable: Convert bucket iterators to take table and index Thomas Graf
2015-01-02 22:00 ` [PATCH 4/9] rhashtable: Factor out bucket_tail() function Thomas Graf
2015-01-02 22:00 ` [PATCH 5/9] nft_hash: Remove rhashtable_remove_pprev() Thomas Graf
2015-01-02 22:00 ` [PATCH 6/9] spinlock: Add spin_lock_bh_nested() Thomas Graf
2015-01-02 22:00 ` [PATCH 7/9] rhashtable: Per bucket locks & deferred expansion/shrinking Thomas Graf
2015-01-02 22:00 ` [PATCH 8/9] rhashtable: Supports for nulls marker Thomas Graf
2015-01-02 22:00 ` [PATCH 9/9] netlink: Lockless lookup with RCU grace period in socket release Thomas Graf
2015-01-03 19:02   ` [RFC] netlink: get rid of nl_table_lock Stephen Hemminger
2015-01-06 22:19     ` David Miller
2015-01-06 23:00     ` Thomas Graf
2015-01-03 19:44 ` David Miller [this message]

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