powerpc/xive: shutdown XIVE when kexec or kdump is performed

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>

diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c
index 3fe1267..46fbaef 100644 (file)
--- 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);
 }