Thread (12 messages) flat view 12 messages, 2 authors, 2013-08-26

Re: [PATCH 1/2] genl: Fix genl dumpit() locking.

From: Johannes Berg <johannes@sipsolutions.net>
Date: 2013-08-22 18:19:03

On Thu, 2013-08-22 at 11:10 -0700, Pravin Shelar wrote:
quoted
By the way - why? This just means that netlink will allocate another
lock to lock it all, so it's not a very useful change?
This replaces global genl-lock with per-socket lock which allows
parallel operation in parallel-genl-families and they are not blocked
due to other unrelated genl-family operations.
I don't think so? It replaces the genl lock as cb_mutex with a per
*kernel* socket lock, so really just one per network namespace. That's
not much of an improvement really.

johannes
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