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[220.244.87.52]) by smtp.gmail.com with ESMTPSA id l7sm19316583pgb.19.2021.06.29.15.20.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Jun 2021 15:20:19 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 7/9] powerpc/64/interrupts: add missing kprobe annotations on interrupt exit symbols Date: Wed, 30 Jun 2021 08:19:55 +1000 Message-Id: <20210629221957.1947577-8-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210629221957.1947577-1-npiggin@gmail.com> References: <20210629221957.1947577-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sachin Sant , Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" If one interrupt exit symbol must not be kprobed, none of them can be, really. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/interrupt_64.S | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index c06ed64541e1..06244b4df719 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -198,6 +198,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) #ifdef CONFIG_PPC_BOOK3S syscall_vectored_\name\()_restart: +_ASM_NOKPROBE_SYMBOL(syscall_vectored_\name\()_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) ld r2,PACATOC(r13) @@ -240,6 +241,7 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_emulate) .balign IFETCH_ALIGN_BYTES .globl system_call_common_real system_call_common_real: +_ASM_NOKPROBE_SYMBOL(system_call_common_real) ld r10,PACAKMSR(r13) /* get MSR value for kernel */ mtmsrd r10 @@ -404,6 +406,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) #ifdef CONFIG_PPC_BOOK3S syscall_restart: +_ASM_NOKPROBE_SYMBOL(syscall_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) ld r2,PACATOC(r13) @@ -422,6 +425,7 @@ RESTART_TABLE(.Lsyscall_rst_start, .Lsyscall_rst_end, syscall_restart) #ifdef CONFIG_PPC_TRANSACTIONAL_MEM tabort_syscall: +_ASM_NOKPROBE_SYMBOL(tabort_syscall) /* Firstly we need to enable TM in the kernel */ mfmsr r10 li r9, 1 @@ -604,6 +608,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) #ifdef CONFIG_PPC_BOOK3S interrupt_return_\srr\()_user_restart: +_ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_user_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) ld r2,PACATOC(r13) @@ -737,6 +742,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) #ifdef CONFIG_PPC_BOOK3S interrupt_return_\srr\()_kernel_restart: +_ASM_NOKPROBE_SYMBOL(interrupt_return_\srr\()_kernel_restart) GET_PACA(r13) ld r1,PACA_EXIT_SAVE_R1(r13) ld r2,PACATOC(r13) -- 2.23.0