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authorBart Oldeman <bartoldeman@users.sourceforge.net>2005-11-06 12:54:07 +1300
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-05 16:31:36 -0800
commitf912696ab330bf539231d1f8032320f2a08b850f (patch)
treed3e4cf70323348b341b894af57a69896c755cac1 /Makefile
parent88dcb6c4113afe93a6c4891ec43bef6a17c83155 (diff)
downloadop-kernel-dev-f912696ab330bf539231d1f8032320f2a08b850f.zip
op-kernel-dev-f912696ab330bf539231d1f8032320f2a08b850f.tar.gz
[PATCH] reset tss->io_bitmap_owner in sys_ioperm()
my patch "x86: initialise tss->io_bitmap_owner to something" (commit ID d5cd4aadd3d220afac8e3e6d922e333592551f7d) introduced a problem with a program (DOSEMU) that called ioperm after already doing some port i/o. The problem is that a process switch return causes tss->io_bitmap_base to be set to IO_BITMAP_OFFSET so that the fault (that *really* sets the io bitmap) never triggers. This fixes that regression. Signed-off-by: Bart Oldeman <bartoldeman@users.sourceforge.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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