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authorKeir Fraser <Keir.Fraser@cl.cam.ac.uk>2005-09-22 21:43:59 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-22 22:17:34 -0700
commit609725f87709724218047a1049913ed233f79d3c (patch)
tree7ccc4b12808b4de7d248ba7a722637f244155f26 /drivers/hwmon/Kconfig
parent7243cc05bafdda4c4de77cba00cf87666bd237f7 (diff)
[PATCH] Fix mmap() of /dev/hpet
The address passed to io_remap_pfn_range() in hpet_mmap() does not need to be converted using __pa(): it is already a physical address. This bug was found and the patch suggested by Clay Harris. I introduced this particular bug when making io_remap_pfn_range changes a few months ago. In fact mmap()ing /dev/hpet has *never* previously worked: before my changes __pa() was being executed on an ioremap()ed virtual address, which is also invalid. Signed-off-by: Keir Fraser <keir@xensource.com> Cc: Robert Picco <Robert.Picco@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/hwmon/Kconfig')
0 files changed, 0 insertions, 0 deletions