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From: Chen Zhongjin <chenzhongjin@huawei.com>
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Subject: [PATCH v5 16/33] arm64: kgdb: Add reachable annotation after kgdb brk
Date: Wed, 22 Jun 2022 23:49:03 +0800
Message-ID: <20220622154920.95075-17-chenzhongjin@huawei.com>
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Cc: mark.rutland@arm.com, madvenka@linux.microsoft.com, michal.lkml@markovi.net, pasha.tatashin@soleen.com, peterz@infradead.org, catalin.marinas@arm.com, masahiroy@kernel.org, ndesaulniers@google.com, chenzhongjin@huawei.com, rmk+kernel@armlinux.org.uk, broonie@kernel.org, will@kernel.org, jpoimboe@kernel.org
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In the general use case, KGDB breakpoint handler should return normally
to the instruction following the brk.

Signed-off-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
---
 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