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authorMaciej W. Rozycki <macro@imgtec.com>2017-06-16 00:08:29 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-07-27 15:06:08 -0700
commite5bf16f0294588cd238b2246f89385a9ccc35079 (patch)
tree4152d0a1e5a89c81ee0191802ced97a7df786cb7 /arch/metag
parent4c7d28c1e99d1ce1786cb5e10bc178eec4ba0ccf (diff)
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MIPS: Send SIGILL for BPOSGE32 in `__compute_return_epc_for_insn'
commit 7b82c1058ac1f8f8b9f2b8786b1f710a57a870a8 upstream. Fix commit e50c0a8fa60d ("Support the MIPS32 / MIPS64 DSP ASE.") and send SIGILL rather than SIGBUS whenever an unimplemented BPOSGE32 DSP ASE instruction has been encountered in `__compute_return_epc_for_insn' as our Reserved Instruction exception handler would in response to an attempt to actually execute the instruction. Sending SIGBUS only makes sense for the unaligned PC case, since moved to `__compute_return_epc'. Adjust function documentation accordingly, correct formatting and use `pr_info' rather than `printk' as the other exit path already does. Fixes: e50c0a8fa60d ("Support the MIPS32 / MIPS64 DSP ASE.") Signed-off-by: Maciej W. Rozycki <macro@imgtec.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16396/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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