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From: Wojciech Macek <wma@FreeBSD.org>
Date: Tue, 20 Feb 2018 06:38:55 +0000 (UTC)
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Subject: svn commit: r329634 - head/sys/powerpc/powerpc
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Author: wma
Date: Tue Feb 20 06:38:55 2018
New Revision: 329634
URL: https://svnweb.freebsd.org/changeset/base/329634

Log:
  PowerNV: Send SIGILL on HEA illegal instruction exception
  
  Currently Hypervisor Emulation Assistance interrupt is unhandled.
  Executing an undefined instruction in userland triggers kernel panic.
  Handle this the same way as Facility Unavailable Interrupt - send
  SIGILL signal to userspace.
  
  Submitted by:          Michal Stanek <mst@semihalf.com>
  Obtained from:         Semihalf
  Reviewed by:           nwhitehorn, pdk@semihalf.com, wma
  Sponsored by:          IBM, QCM Technologies
  Differential revision: https://reviews.freebsd.org/D14437

Modified:
  head/sys/powerpc/powerpc/trap.c

Modified: head/sys/powerpc/powerpc/trap.c
==============================================================================
--- head/sys/powerpc/powerpc/trap.c	Tue Feb 20 05:35:00 2018	(r329633)
+++ head/sys/powerpc/powerpc/trap.c	Tue Feb 20 06:38:55 2018	(r329634)
@@ -294,6 +294,7 @@ trap(struct trapframe *frame)
 			break;
 
 		case EXC_FAC:
+		case EXC_HEA:
 			sig = SIGILL;
 			ucode =	ILL_ILLOPC;
 			break;