Module Name: src
Committed By: chs
Date: Fri May 19 15:30:19 UTC 2017
Modified Files:
src/sys/uvm: uvm_map.c uvm_mmap.c
Log Message:
make MAP_FIXED mapping operations atomic. fixes PR 52239.
previously, unmapping any entries being replaced was done separately
from entering the new mapping, which allowed another thread doing
a non-MAP_FIXED mapping to allocate the range out from under the
MAP_FIXED thread.
To generate a diff of this commit:
cvs rdiff -u -r1.346 -r1.347 src/sys/uvm/uvm_map.c
cvs rdiff -u -r1.164 -r1.165 src/sys/uvm/uvm_mmap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
