freebsd-nq/sys/amd64
Konstantin Belousov 91a82f9585 Callers of pmap_kextract() cannot distinguish between failure and
physical address zero.  Assume that the lowest page is always mapped
by direct map.

This restores access to the page at zero through /dev/mem after
r263475.

Reported and tested by:	neel
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2015-01-02 01:05:08 +00:00
..
acpica don't set CR4 PSE bit on amd64 2014-07-23 15:53:29 +00:00
amd64 Callers of pmap_kextract() cannot distinguish between failure and 2015-01-02 01:05:08 +00:00
conf Temporarily unplug cxgbe(4) from !amd64 builds. 2014-12-31 20:34:12 +00:00
ia32 Change the way the lcall $7,$0 is reflected to usermode. Instead of 2014-12-27 23:19:08 +00:00
include The physical memory allocator supports the use of distinct free lists for 2014-12-31 00:54:38 +00:00
linux32 Regen after r276508, r276509. 2015-01-01 18:43:31 +00:00
pci Pull in r267961 and r267973 again. Fix for issues reported will follow. 2014-06-28 03:56:17 +00:00
vmm Initialize all fields of 'struct vm_exception exception' before passing it to 2014-12-30 23:38:31 +00:00
Makefile