jhb 3fab33edd0 The changes that introduced fo_mmap() treated all character device ... mappings as if MAP_SHARED was always present since in general MAP_PRIVATE is not permitted for character devices. However, there is one exception in that MAP_PRIVATE mappings are permitted for /dev/zero. Only require a writable file descriptor (FWRITE) for shared, writable mappings of character devices. vm_mmap_cdev() will reject any private mappings for other devices. Reviewed by: kib Reported by: sbruno (broke qemu cross-builds), peter Differential Revision: https://reviews.freebsd.org/D3316		2015-08-06 16:50:37 +00:00
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devfs_devs.c
devfs_dir.c
devfs_int.h
devfs_rule.c
devfs_vfsops.c
devfs_vnops.c	The changes that introduced fo_mmap() treated all character device	2015-08-06 16:50:37 +00:00
devfs.h