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authorvisa <visa@openbsd.org>2016-01-05 05:42:27 +0000
committervisa <visa@openbsd.org>2016-01-05 05:42:27 +0000
commit433f2ed3a99cc32aa386b558dbc84e20d8408e49 (patch)
treee420606c2c46764b5201bbebc1a87de1b83ea7e8 /usr.sbin/vmd/loadfile_elf.c
parentSome implementations of HitSyncDCache() call pmap_extract() for va->pa (diff)
downloadwireguard-openbsd-433f2ed3a99cc32aa386b558dbc84e20d8408e49.tar.xz
wireguard-openbsd-433f2ed3a99cc32aa386b558dbc84e20d8408e49.zip
Remove PTE locking from pmap_extract() because it does not add any MP
safety. The function has to be called in a context where conflicting pmap updates cannot happen. Otherwise the returned physical address might not be valid. Suggested by kettenis@
Diffstat (limited to 'usr.sbin/vmd/loadfile_elf.c')
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