Re: [RFC PATCH 5/5] powerpc: KASAN for 64bit Book3E

quoted

diff --git a/arch/powerpc/mm/kasan/kasan_init_book3e_64.c b/arch/powerpc/mm/kasan/kasan_init_book3e_64.c
new file mode 100644
index 000000000000..93b9afcf1020
--- /dev/null
+++ b/arch/powerpc/mm/kasan/kasan_init_book3e_64.c

@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define DISABLE_BRANCH_PROFILING
+
+#include <linux/kasan.h>
+#include <linux/printk.h>
+#include <linux/memblock.h>
+#include <linux/sched/task.h>
+#include <asm/pgalloc.h>
+
+DEFINE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key);
+EXPORT_SYMBOL(powerpc_kasan_enabled_key);

Why does this symbol need to be exported ?

I suppose it probably doesn't! I copied Balbir's code without much
thought as it seemed a lot smarter than my random global variable code.

Regards,
Daniel

Christophe