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Diffusion FreeBSD src repository - subversion rS335250

Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9).
rS335250
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Description

Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9).

Using of rwlock with multiqueue NICs for IP forwarding on high pps
produces high lock contention and inefficient. Rmlock fits better for
such workloads.

Reviewed by: melifaro, olivier
Obtained from: Yandex LLC
Sponsored by: Yandex LLC
Differential Revision: https://reviews.freebsd.org/D15789

Details

Provenance
aeAuthored on
Reviewer
melifaro
Differential Revision
D15789: Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9)
Parents
rS335249: Fix handling of enable counter for shared GPIO line in fixed regulator.
Branches
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Tags
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Changes (12)

PathSize
head/
sys/
kern/
net/
netinet/
netinet6/
netpfil/
ipfw/
nfs/

rS335250

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head/sys/kern/subr_witness.c

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head/sys/kern/vfs_export.c

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head/sys/net/radix.c

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head/sys/net/radix.h

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head/sys/net/radix_mpath.c

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head/sys/net/route.c

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head/sys/net/route_var.h

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head/sys/net/rtsock.c

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head/sys/netinet/in_fib.c

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head/sys/netinet6/in6_fib.c

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head/sys/netpfil/ipfw/ip_fw_table_algo.c

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head/sys/nfs/bootp_subr.c

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