Re: [PATCH 3.18] MIPS: Send SIGILL for BPOSGE32 in `__compute_return_epc_for_insn'

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On Tue, Jul 25, 2017 at 08:07:13PM +0100, Maciej W. Rozycki wrote:
> 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.
> 
> Cc: stable@xxxxxxxxxxxxxxx # 2.6.14+
> Fixes: e50c0a8fa60d ("Support the MIPS32 / MIPS64 DSP ASE.")
> Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxx>
> ---
> Hi,
> 
>  This is a (mechanically regenerated) version of commit 7b82c1058ac1 for 
> 3.18-stable and before.  No functional changes.  Please apply.

Thanks, now queued up.

greg k-h



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