[PATCH v5 16/33] arm64: kgdb: Add reachable annotation after kgdb brk

From: Chen Zhongjin
Date: Wed Jun 22 2022 - 11:54:55 EST


In the general use case, KGDB breakpoint handler should return normally
to the instruction following the brk.

Signed-off-by: Julien Thierry <jthierry@xxxxxxxxxx>
Signed-off-by: Chen Zhongjin <chenzhongjin@xxxxxxxxxx>
---
arch/arm64/include/asm/kgdb.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/kgdb.h b/arch/arm64/include/asm/kgdb.h
index 21fc85e9d2be..a8cb91d8d59b 100644
--- a/arch/arm64/include/asm/kgdb.h
+++ b/arch/arm64/include/asm/kgdb.h
@@ -19,6 +19,7 @@
static inline void arch_kgdb_breakpoint(void)
{
asm ("brk %0" : : "I" (KGDB_COMPILED_DBG_BRK_IMM));
+ annotate_reachable();
}

extern void kgdb_handle_bus_error(void);
--
2.17.1