From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37325) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDD1i-000231-9w for qemu-devel@nongnu.org; Thu, 18 Oct 2018 14:28:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDD1g-00006V-8C for qemu-devel@nongnu.org; Thu, 18 Oct 2018 14:28:06 -0400 Received: from mail-pl1-x644.google.com ([2607:f8b0:4864:20::644]:44191) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gDD1f-0008VL-UC for qemu-devel@nongnu.org; Thu, 18 Oct 2018 14:28:04 -0400 Received: by mail-pl1-x644.google.com with SMTP id d23-v6so1248996pls.11 for ; Thu, 18 Oct 2018 11:28:03 -0700 (PDT) From: Richard Henderson Date: Thu, 18 Oct 2018 11:27:56 -0700 Message-Id: <20181018182758.18646-2-richard.henderson@linaro.org> In-Reply-To: <20181018182758.18646-1-richard.henderson@linaro.org> References: <20181018182758.18646-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH 1/3] target/arm: Remove writefn from TTBR0_EL3 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org The EL3 version of this register does not include an ASID, and so the tlb_flush performed by vmsa_ttbr_write is not needed. Signed-off-by: Richard Henderson --- target/arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index e3946562aa..24bbde4f76 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4214,7 +4214,7 @@ static const ARMCPRegInfo el3_cp_reginfo[] = { .fieldoffset = offsetof(CPUARMState, cp15.mvbar) }, { .name = "TTBR0_EL3", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 6, .crn = 2, .crm = 0, .opc2 = 0, - .access = PL3_RW, .writefn = vmsa_ttbr_write, .resetvalue = 0, + .access = PL3_RW, .resetvalue = 0, .fieldoffset = offsetof(CPUARMState, cp15.ttbr0_el[3]) }, { .name = "TCR_EL3", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 6, .crn = 2, .crm = 0, .opc2 = 2, -- 2.17.2