From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753663AbdF1Chk (ORCPT ); Tue, 27 Jun 2017 22:37:40 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:33689 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752010AbdF1Che (ORCPT ); Tue, 27 Jun 2017 22:37:34 -0400 From: Nick Desaulniers Cc: Nick Desaulniers , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] KVM: x86: remove ignored type attribute Date: Tue, 27 Jun 2017 19:37:14 -0700 Message-Id: <20170628023714.32158-1-nick.desaulniers@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170623044120.6296-1-nick.desaulniers@gmail.com> References: <20170623044120.6296-1-nick.desaulniers@gmail.com> To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The macro insn_fetch marks the 'type' argument as having a specified alignment. Type attributes can only be applied to structs, unions, or enums, but insn_fetch is only ever invoked with integral types, so Clang produces 19 -Wignored-attributes warnings for this source file. Signed-off-by: Nick Desaulniers --- Changes in v2: * prefer memcpy * fix up trailing tabs arch/x86/kvm/emulate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 7611c034bf95..f9c0359f3fdd 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -900,7 +900,7 @@ static __always_inline int do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, if (rc != X86EMUL_CONTINUE) \ goto done; \ ctxt->_eip += sizeof(_type); \ - _x = *(_type __aligned(1) *) ctxt->fetch.ptr; \ + memcpy(&_x, ctxt->fetch.ptr, sizeof(_type)); \ ctxt->fetch.ptr += sizeof(_type); \ _x; \ }) -- 2.11.0