From 72224846fb1f066cc04dc0a38d910221b5719bdf Mon Sep 17 00:00:00 2001
From: =?utf8?q?C=C3=A9dric=20Le=20Goater?= <clg@kaod.org>
Date: Tue, 8 May 2018 09:05:16 +0200
Subject: [PATCH] powerpc/xive: shutdown XIVE when kexec or kdump is performed
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The hcall H_INT_RESET should be called to make sure XIVE is fully
reseted.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/platforms/pseries/kexec.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c
index 3fe1267..46fbaef 100644
--- a/arch/powerpc/platforms/pseries/kexec.c
+++ b/arch/powerpc/platforms/pseries/kexec.c
@@ -57,8 +57,11 @@ void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
 		}
 	}
 
-	if (xive_enabled())
+	if (xive_enabled()) {
 		xive_kexec_teardown_cpu(secondary);
-	else
+
+		if (!secondary)
+			xive_shutdown();
+	} else
 		xics_kexec_teardown_cpu(secondary);
 }
-- 
2.7.4