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: Mon, 30 Nov 2020 18:34:04 -0800 From: Jakub Kicinski <kuba@...nel.org> To: Paolo Abeni <pabeni@...hat.com> Cc: netdev@...r.kernel.org, mptcp@...ts.01.org, Eric Dumazet <edumazet@...gle.com> Subject: Re: [PATCH net-next 0/6] mptcp: avoid workqueue usage for data On Fri, 27 Nov 2020 11:10:21 +0100 Paolo Abeni wrote: > The current locking schema used to protect the MPTCP data-path > requires the usage of the MPTCP workqueue to process the incoming > data, depending on trylock result. > > The above poses scalability limits and introduces random delays > in MPTCP-level acks. > > With this series we use a single spinlock to protect the MPTCP > data-path, removing the need for workqueue and delayed ack usage. > > This additionally reduces the number of atomic operations required > per packet and cleans-up considerably the poll/wake-up code. Applied, thanks!
Powered by blists - more mailing lists