Diffusion FreeBSD src repository - subversion rS261242

Decrease lock contention within the TCP accept case by removing
rS261242
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Description

Decrease lock contention within the TCP accept case by removing
the INP_INFO lock from tcp_usr_accept. As the PR/patch states
this was following the advice already in the code.
See the PR below for a full disucssion of this change and its
measured effects.

PR: 183659
Submitted by: Julian Charbon
Reviewed by: jhb

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gnn	Authored on

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Parents

rS261241: MFH@261240.

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Event Timeline

jch mentioned this in D2599: Decompose TCP INP_INFO lock to increase short-lived connections scalability.May 20 2015, 12:59 PM

jch mentioned this in D2079: Fix TCP timers use-after-free old race conditions.May 22 2015, 8:11 AM

jch mentioned this in D8072: Remove an extraneous call to soisconnected() in syncache_socket(), introduced with r261242..Sep 30 2016, 6:52 AM

Changes (2)

Path

Size

head/

sys/

netinet/

rS261242

head/sys/netinet/tcp_syncache.c

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head/sys/netinet/tcp_usrreq.c

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