[RFC PATCH 7/7 v1]powerpc: Deliver SEGV signal on protection key violation.

Anshuman Khandual khandual at linux.vnet.ibm.com
Fri Jun 16 19:20:13 AEST 2017


On 06/06/2017 06:35 AM, Ram Pai wrote:
> The value of the AMR register at the time of the exception
> is made available in gp_regs[PT_AMR] of the siginfo.

But its already available there in uctxt->uc_mcontext.regs->amr
while inside the signal delivery context in the user space. The
pt_regs already got updated with new AMR register. Then why we
need gp_regs to also contain AMR as well ?



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