Subject: [PATCH 3/4] powerpc/xive: shutdown XIVE when kexec or kdump is performed

From: Cédric Le Goater <[email-masked]>
Date: Tue, 3 Apr 2018 09:15:47 +0200

The hcall H_INT_RESET should be called to make sure XIVE is fully
reseted.

Signed-off-by: Cédric Le Goater <[email-masked]>
---
 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 eeb13429d685..1d9bbf8e7357 100644
--- a/arch/powerpc/platforms/pseries/kexec.c
+++ b/arch/powerpc/platforms/pseries/kexec.c
@@ -52,8 +52,11 @@ 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);
 }
-- 
2.13.6