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authorHideo Saito <saito@densan.co.jp>2007-02-28 18:35:42 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-03-05 14:13:26 +0900
commite6bcf562e58662b9765748d346e4c076b20e3aa5 (patch)
tree0c8982c11cd410f4b654b8fda9a1a1fc6776e4a3 /net/8021q
parente523d93c8487667552dd29ff756d6ea6bce30851 (diff)
sh: Fix kernel thread stack corruption with preempt.
When I run a preemptive kernel-2.6.20 for SH7780, a created kthread(pdflush) can not exit by do_exit() in kernel_thread_helper. I think that the created kthread should have a room for 'struct pt_regs' space on the stack top, because __switch_to() will refer to the space as follows using 'regs = task_pt_regs(prev)' and next condition may be true. Signed-off-by: Hideo Saito <saito@densan.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'net/8021q')
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