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/openbmc/linux/arch/m68k/mm/ |
H A D | mcfmmu.c | diff 3372f5a7d005dd42e754490fed6a0171c4a018c6 Mon Jan 23 08:45:56 CST 2012 Alexander Stein <alexander.stein@systec-electronic.com> m68k: Do not set global share for non-kernel shared pages
If the SG bit is set in MMUTR the page is accessible for all userspace processes (ignoring the ASID). So a process might randomly access a page from a different process which had a shared page (from shared memory) in its context.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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