[PATCH v2 3/4] powerpc/xive: shutdown XIVE when kexec or kdump is performed
From: Cédric Le Goater <clg@kaod.org>
Date: 2018-05-08 10:10:45
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
The hcall H_INT_RESET should be called to make sure XIVE is fully reseted. Signed-off-by: Cédric Le Goater <clg@kaod.org> --- 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