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由 Carmelo Amoroso 提交于
In the do_execve() path, argument page handling used to explicitly call flush_dcache_page() for each page, this has since been reworked and uses flush_kernel_dcache_page() instead, which is presently a nop. Doing a simple modprobe/rmmod in a loop under busybox consistently manages to crash without providing a sane flush_kernel_dcache_page() implementation, so, plug in a simple implementation. Signed-off-by: NCarmelo Amoroso <carmelo73@gmail.com> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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