From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A11B8C43613 for ; Mon, 24 Jun 2019 09:56:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74209215EA for ; Mon, 24 Jun 2019 09:56:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728786AbfFXJ4n (ORCPT ); Mon, 24 Jun 2019 05:56:43 -0400 Received: from foss.arm.com ([217.140.110.172]:44980 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728752AbfFXJ4e (ORCPT ); Mon, 24 Jun 2019 05:56:34 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 155E7C15; Mon, 24 Jun 2019 02:56:34 -0700 (PDT) Received: from e121650-lin.cambridge.arm.com (e121650-lin.cambridge.arm.com [10.1.196.120]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EACB73F71E; Mon, 24 Jun 2019 02:56:32 -0700 (PDT) From: Raphael Gault To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: jpoimboe@redhat.com, peterz@infradead.org, catalin.marinas@arm.com, will.deacon@arm.com, julien.thierry@arm.com, Raphael Gault Subject: [RFC V3 17/18] arm64: kernel: Annotate non-standard stack frame functions Date: Mon, 24 Jun 2019 10:55:47 +0100 Message-Id: <20190624095548.8578-18-raphael.gault@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190624095548.8578-1-raphael.gault@arm.com> References: <20190624095548.8578-1-raphael.gault@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Annotate assembler functions which are callable but do not setup a correct stack frame. Signed-off-by: Raphael Gault --- arch/arm64/kernel/hyp-stub.S | 2 ++ arch/arm64/kvm/hyp-init.S | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index 73d46070b315..a382f0e33735 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -42,6 +42,7 @@ ENTRY(__hyp_stub_vectors) ventry el1_fiq_invalid // FIQ 32-bit EL1 ventry el1_error_invalid // Error 32-bit EL1 ENDPROC(__hyp_stub_vectors) +asm_stack_frame_non_standard __hyp_stub_vectors .align 11 @@ -69,6 +70,7 @@ el1_sync: 9: mov x0, xzr eret ENDPROC(el1_sync) +asm_stack_frame_non_standard el1_sync .macro invalid_vector label \label: diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S index 160be2b4696d..65b7c12b9aa8 100644 --- a/arch/arm64/kvm/hyp-init.S +++ b/arch/arm64/kvm/hyp-init.S @@ -118,6 +118,7 @@ CPU_BE( orr x4, x4, #SCTLR_ELx_EE) /* Hello, World! */ eret ENDPROC(__kvm_hyp_init) +asm_stack_frame_non_standard __kvm_hyp_init ENTRY(__kvm_handle_stub_hvc) cmp x0, #HVC_SOFT_RESTART @@ -159,6 +160,7 @@ reset: eret ENDPROC(__kvm_handle_stub_hvc) +asm_stack_frame_non_standard __kvm_handle_stub_hvc .ltorg -- 2.17.1