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From: | Samuel Thibault |
Subject: | Re: [Qemu-devel] [PATCH, DoS] slirp (arp): do not special-case bogus IP addresses |
Date: | Thu, 8 May 2014 08:50:33 +0200 |
User-agent: | Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30) |
Edgar E. Iglesias, le Thu 08 May 2014 06:10:18 +0000, a écrit : > The search part looks OK to me but when adding to the arp table, don't > you at least want to avoid adding mappings for 0.0.0.0/32? I don't see the gain, actually. It would mean burning some CPU all the time just to save a small potential memory loss and CPU burning in the rare case when the guest behaves oddly. > to avoid for ex garps to pollute the cache with invalid entries? Only one entry will be created and updated by garps. The guest already has a lot of ways to pollute the cache :) samuel
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