From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave.Martin@arm.com (Dave Martin) Date: Mon, 13 Jul 2015 14:25:48 +0100 Subject: [PATCH v2 01/10] arm64/debug: Eliminate magic number for size of BRK instruction In-Reply-To: <1436793967-7138-1-git-send-email-Dave.Martin@arm.com> References: <1436793967-7138-1-git-send-email-Dave.Martin@arm.com> Message-ID: <1436793967-7138-2-git-send-email-Dave.Martin@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The size of an A64 BRK instruction is the same as the size of all other A64 instructions, because all A64 instructions are the same size. BREAK_INSTR_SIZE is retained for readibility, but it should not be an independent constant from AARCH64_INSN_SIZE. Signed-off-by: Dave Martin --- arch/arm64/include/asm/debug-monitors.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index 40ec68a..f3d2dbd 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -18,6 +18,8 @@ #ifdef __KERNEL__ +#include + /* Low-level stepping controls. */ #define DBG_MDSCR_SS (1 << 0) #define DBG_SPSR_SS (1 << 21) @@ -38,7 +40,7 @@ /* * Break point instruction encoding */ -#define BREAK_INSTR_SIZE 4 +#define BREAK_INSTR_SIZE AARCH64_INSN_SIZE /* * ESR values expected for dynamic and compile time BRK instruction -- 1.7.10.4