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(parent: f9a7bad) | patch
Make it possible to create write combing mappings through /dev/mem. This is
authorkettenis <kettenis@openbsd.org>
Mon, 22 Jun 2015 18:57:26 +0000 (18:57 +0000)
committerkettenis <kettenis@openbsd.org>
Mon, 22 Jun 2015 18:57:26 +0000 (18:57 +0000)
commite1ad8ac791551d94856dd12b38f2b84b7e1a1f21
tree4a7ee0ffd1a8a1ed20f5e70abfe8885c2b0fd063tree | snapshot
parentf9a7bad44f067cd4a7bd919cd87c38f0f0bbca48commit | diff
Make it possible to create write combing mappings through /dev/mem.  This is
done by introducining a magic offset.  Pages below this offset are mapped
with default memory attributes.  Above this offset pages are mapped write
combining.

ok mlarkin@
sys/arch/amd64/amd64/mem.c diff | blob | history
sys/arch/i386/i386/mem.c diff | blob | history
sys/sys/memrange.h diff | blob | history
OpenBSD src
by Ahmet Artu Yildirim