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McKenney" , Puranjay Mohan , Ilya Leoshkevich , Heiko Carstens , Vasily Gorbik , Catalin Marinas , Will Deacon , Quentin Monnet , Mykola Lysenko , Shuah Khan , Ihor Solodrai , Yingchi Long , Josh Don , Barret Rhoden , Neel Natu , Benjamin Segall , linux-kernel@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250303_161356_085533_54DE5191 X-CRM114-Status: GOOD ( 11.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We are planning to add load-acquire (LDAR{,B,H}) and store-release (STLR{,B,H}) instructions to insn.{c,h}; add BIT(23) to mask of load_ex and store_ex to prevent aarch64_insn_is_{load,store}_ex() from returning false-positives for load-acquire and store-release instructions. Reference: Arm Architecture Reference Manual (ARM DDI 0487K.a, ID032224), * C6.2.228 LDXR * C6.2.165 LDAXR * C6.2.161 LDAR * C6.2.393 STXR * C6.2.360 STLXR * C6.2.353 STLR Acked-by: Xu Kuohai Signed-off-by: Peilin Ye --- arch/arm64/include/asm/insn.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index e390c432f546..2d8316b3abaf 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -351,8 +351,8 @@ __AARCH64_INSN_FUNCS(ldr_imm, 0x3FC00000, 0x39400000) __AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000) __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000) __AARCH64_INSN_FUNCS(exclusive, 0x3F800000, 0x08000000) -__AARCH64_INSN_FUNCS(load_ex, 0x3F400000, 0x08400000) -__AARCH64_INSN_FUNCS(store_ex, 0x3F400000, 0x08000000) +__AARCH64_INSN_FUNCS(load_ex, 0x3FC00000, 0x08400000) +__AARCH64_INSN_FUNCS(store_ex, 0x3FC00000, 0x08000000) __AARCH64_INSN_FUNCS(mops, 0x3B200C00, 0x19000400) __AARCH64_INSN_FUNCS(stp, 0x7FC00000, 0x29000000) __AARCH64_INSN_FUNCS(ldp, 0x7FC00000, 0x29400000)