Messages in this thread | | | Date | Wed, 15 Apr 2009 13:22:32 +0200 | From | Patrick McHardy <> | Subject | Re: [PATCH 1/3] net: introduce a list of device addresses dev_addr_list |
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Jiri Pirko wrote:
>> Since you obviously need a write lock here to be sure following >> can be done by one cpu only. >> >> You have same problem all over this patch. > > Yes, as Dave wrote, this is guarded by RTNL mutex.
This was incorrect. IPv6 adds multicast addresses in softirq context.
>>> + >>> + ha = kzalloc(sizeof(*ha), GFP_ATOMIC); >> kzalloc(max(sizeof(*ha), L1_CACHE_SIZE), GFP_...) is thus higly recommended here. >> >> Also, why GFP_ATOMIC is needed here ? > > Yes, it is not needed here. I've copied it here from the original unicast and > multicast add funtion to stay close but as I can see, there is no need for it > there either. > Noted.
Also needed for IPv6 in softirq context.
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