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40138249c3
After fixing a couple of brainos, it even seems to work. What's done here is move of ->syscall_noerror right before FPDEPTH byte in ->flags and using sth to [%g6 + TI_SYS_NOERROR] instead of stb to [%g6 + TI_FPDEPTH] in both branches of etrap_save. AFAICS, that ought to be solid. Again, deciding what to do with now unused delay slot of branch on ->syscall_noerror and dealing with the order of tests in ret_from_sys is a separate question, but at least that way we don't have to clean ->syscall_noerror in there at all. AFAICS, it ought to be a clear win - sth is not going to cost more than stb on etrap_64.S side of things, and we are losing write on syscalls.S one. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net> |
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