From: venkatesh.pallipadi@intel.com Date: Wed, 20 Aug 2008 23:45:52 +0000 (-0700) Subject: devmem, x86: PAT Change /dev/mem mmap with O_SYNC to use UC_MINUS X-Git-Tag: v2.6.27-rc5~50^2~7 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28df82ebab79c6a2b4295dd94fd8de88196a49df;p=pandora-kernel.git devmem, x86: PAT Change /dev/mem mmap with O_SYNC to use UC_MINUS All kernel mappings like ioremap(), etc uses UC_MINUS as the type. /dev/mem mappings with /dev/mem being opened with O_SYNC however was using UC, resulting in a conflict with /dev/mem mmap failing. This seems to be affecting some apps (one being flashrom) which are using O_SYNC and which were working before. Switch /dev/mem with O_SYNC also to UC_MINUS. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed