Re: [PATCH 3/3] netlink: Lock out table resizes while dumping Netlink sockets

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On Tue, Jan 20, 2015 at 02:31:54PM +0000, Patrick McHardy wrote:
> 
> An alternative would be to set a flag in ht when a dump begins that
> indicates to skip resizing operations and on the end of the dump
> perform any resizing operations that might be necessary. Herbert
> disagrees though and he might be right.

It's a bit more complex than just a disagreement :)

See the email I just sent.  But the crucial thing is that postponed
resizing/rehashing during dumping is only possible if the only
entity that can perform dumping is trusted.  Otherwise the whole
thing falls apart really quickly.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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