lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 31 Dec 2014 18:38:38 -0500 (EST) From: David Miller <davem@...emloft.net> To: stephen@...workplumber.org Cc: netdev@...r.kernel.org Subject: Re: [PATCH net] netlink: call cond_resched after broadcasting updates From: Stephen Hemminger <stephen@...workplumber.org> Date: Sat, 27 Dec 2014 09:54:33 -0800 > When a netlink event is posted to a socket, the receiving process maybe > waiting to wakeup. Reduce the latency by calling cond_resched() in this > loop. This reduces the problems with missed events during a netlink > storm such as when a routing daemon does mass update in response to > a link transition. > > Signed-off-by: Stephen Hemminger <stephen@...workplumber.org> As mentioned by others, this is potentially invoked from software interrupts generating netlink events (one example is ipv6) so we can't try to conditionally sleep here. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists