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authorKlemens Nanni <kn@cvs.openbsd.org>2022-02-10 10:14:03 +0000
committerKlemens Nanni <kn@cvs.openbsd.org>2022-02-10 10:14:03 +0000
commitbb180ea8a9f82c56b5ef1d42ac28a4165decbe92 (patch)
treef0feab4958ed6a6376d4500bd16443de8b69e280 /sys/uvm/uvm_param.h
parent74e71b7ed589d1c6d413f9be6f774b35eab595cc (diff)
Unwire with map lock held
uvm_unmap_remove() effectively requires its caller to lock the vm map. Even though uvm_map_teardown() is only called after a map's last reference is dropped and is thus safe from other threads accessing the map, grab the map's lock in uvm_map_teardown() to satify upcoming lock assertions in uvm_unmap_remove(). Tested as part of a larger diff through - amd64 package bulk builds by naddy - amd64, arm64, powerpc64 base builds and regress by bluhm - amd64 and sparc64 base builds and regress by me Feedback mpi OK kettenis
Diffstat (limited to 'sys/uvm/uvm_param.h')
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