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由 Bobby Bingham 提交于
The compiler is permitted to generate code which overwrites the parameters to a function. If those parameters include the only saved copy we have of userspace's registers, we're in trouble. Signed-off-by: NBobby Bingham <koorogi@koorogi.info> Cc: Paul Mundt <paul.mundt@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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