2.6.5 unwind problem with rp <- r0

From: Keith Owens <kaos_at_sgi.com>
Date: 2004-04-29 14:08:31
Unwinding through a kernel thread, we hit kernel_thread_helper which is
called from start_kernel_thread with unwind data

        .save rp, r0                            // this is the end of the call-chain

The kernel unwinder does not handle this correctly, it spits
  unwind.pt_regs_off: bad scratch reg r0
and keeps unwinding, generating garbage.

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Received on Thu Apr 29 00:13:18 2004

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