[RFC PATCH v4 09/10] fadump: Invalidate the fadump registrationduring machine shutdown.

[Mahesh J Salgaonkar]

From: Mahesh Salgaonkar <mahesh@xxxxxxxxxxxxxxxxxx>

If dump is active during system reboot, shutdown or halt then invalidate
the fadump registration as it does not get invalidated automatically.

Signed-off-by: Mahesh Salgaonkar <mahesh@xxxxxxxxxxxxxxxxxx>
---
 arch/powerpc/kernel/setup-common.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index ce35aaf..67e5caa 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -110,6 +110,14 @@ EXPORT_SYMBOL(ppc_do_canonicalize_irqs);
 /* also used by kexec */
 void machine_shutdown(void)
 {
+#ifdef CONFIG_FA_DUMP
+	/*
+	 * if fadump is active, cleanup the fadump registration before we
+	 * shutdown.
+	 */
+	fadump_cleanup();
+#endif
+
 	if (ppc_md.machine_shutdown)
 		ppc_md.machine_shutdown();
 }

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