From 72224846fb1f066cc04dc0a38d910221b5719bdf Mon Sep 17 00:00:00 2001
From: Cédric Le Goater <clg@kaod.org>
Date: Tue, 8 May 2018 09:05:16 +0200
Subject: [PATCH] powerpc/xive: shutdown XIVE when kexec or kdump is performed
References: bsc#1088273
Patch-mainline: v4.18-rc1
Git-commit: 72224846fb1f066cc04dc0a38d910221b5719bdf
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>
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
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 3fe126796975..46fbaef69a59 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);
}
--
2.13.6