[PATCH v3 mm 12/13] arm64: kasan: export MTE symbols for KASAN tests

Andrey Konovalov andreyknvl at google.com
Fri Feb 5 12:34:46 EST 2021


Export mte_enable_kernel() and mte_set_report_once() to fix:

ERROR: modpost: "mte_enable_kernel" [lib/test_kasan.ko] undefined!
ERROR: modpost: "mte_set_report_once" [lib/test_kasan.ko] undefined!

Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>
Signed-off-by: Andrey Konovalov <andreyknvl at google.com>
---
 arch/arm64/kernel/mte.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
index 203108d51d40..a66c2806fc4d 100644
--- a/arch/arm64/kernel/mte.c
+++ b/arch/arm64/kernel/mte.c
@@ -113,11 +113,13 @@ void mte_enable_kernel(void)
 	sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, SCTLR_ELx_TCF_SYNC);
 	isb();
 }
+EXPORT_SYMBOL_GPL(mte_enable_kernel);
 
 void mte_set_report_once(bool state)
 {
 	WRITE_ONCE(report_fault_once, state);
 }
+EXPORT_SYMBOL_GPL(mte_set_report_once);
 
 bool mte_report_once(void)
 {
-- 
2.30.0.365.g02bc693789-goog




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