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[81.140.166.164]) by smtp.gmail.com with ESMTPSA id e8sm8517707wrt.7.2020.01.09.08.09.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jan 2020 08:09:34 -0800 (PST) From: Julien Thierry To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RFC v5 52/57] arm64: kernel: Annotate non-standard stack frame functions Date: Thu, 9 Jan 2020 16:02:55 +0000 Message-Id: <20200109160300.26150-53-jthierry@redhat.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200109160300.26150-1-jthierry@redhat.com> References: <20200109160300.26150-1-jthierry@redhat.com> MIME-Version: 1.0 X-MC-Unique: 80kOVaZRNVazXTyRuax1zw-1 X-Mimecast-Spam-Score: 0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200109_080939_366627_0177BE79 X-CRM114-Status: GOOD ( 10.02 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [205.139.110.61 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marc Zyngier , Julien Thierry , Suzuki K Poulose , peterz@infradead.org, catalin.marinas@arm.com, raphael.gault@arm.com, James Morse , jpoimboe@redhat.com, will@kernel.org, kvmarm@lists.cs.columbia.edu Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Raphael Gault Annotate assembler functions which are callable but do not setup a correct stack frame. Signed-off-by: Raphael Gault Signed-off-by: Julien Thierry Cc: Marc Zyngier Cc: James Morse Cc: Suzuki K Poulose Cc: kvmarm@lists.cs.columbia.edu --- arch/arm64/kernel/hyp-stub.S | 3 +++ arch/arm64/kvm/hyp-init.S | 3 +++ 2 files changed, 6 insertions(+) -- 2.21.0 diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index 73d46070b315..8917d42f38c7 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -6,6 +6,7 @@ * Author: Marc Zyngier */ +#include #include #include #include @@ -42,6 +43,7 @@ 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 +71,7 @@ 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..63deea39313d 100644 --- a/arch/arm64/kvm/hyp-init.S +++ b/arch/arm64/kvm/hyp-init.S @@ -12,6 +12,7 @@ #include #include #include +#include .text .pushsection .hyp.idmap.text, "ax" @@ -118,6 +119,7 @@ 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 +161,7 @@ reset: eret ENDPROC(__kvm_handle_stub_hvc) +asm_stack_frame_non_standard __kvm_handle_stub_hvc .ltorg