From patchwork Fri Nov 24 16:34:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joey Gouly X-Patchwork-Id: 747023 Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8D2591BFB; Fri, 24 Nov 2023 08:35:54 -0800 (PST) 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 D20A21BA8; Fri, 24 Nov 2023 08:36:40 -0800 (PST) Received: from e124191.cambridge.arm.com (e124191.cambridge.arm.com [10.1.197.45]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2E3FB3F73F; Fri, 24 Nov 2023 08:35:52 -0800 (PST) From: Joey Gouly To: linux-arm-kernel@lists.infradead.org Cc: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, broonie@kernel.org, catalin.marinas@arm.com, dave.hansen@linux.intel.com, joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev, shuah@kernel.org, will@kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, James Morse , Suzuki K Poulose , Zenghui Yu Subject: [PATCH v3 13/25] arm64: stop using generic mm_hooks.h Date: Fri, 24 Nov 2023 16:34:58 +0000 Message-Id: <20231124163510.1835740-14-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231124163510.1835740-1-joey.gouly@arm.com> References: <20231124163510.1835740-1-joey.gouly@arm.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 These functions will be extended to support pkeys. Signed-off-by: Joey Gouly Cc: Catalin Marinas Cc: Will Deacon --- arch/arm64/include/asm/mmu_context.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index 9ce4200508b1..16b48fe9353f 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -20,7 +20,6 @@ #include #include #include -#include #include #include #include @@ -215,6 +214,20 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm) return 0; } +static inline int arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) +{ + return 0; +} + +static inline void arch_exit_mmap(struct mm_struct *mm) +{ +} + +static inline void arch_unmap(struct mm_struct *mm, + unsigned long start, unsigned long end) +{ +} + #ifdef CONFIG_ARM64_SW_TTBR0_PAN static inline void update_saved_ttbr0(struct task_struct *tsk, struct mm_struct *mm) @@ -304,6 +317,12 @@ static inline unsigned long mm_untag_mask(struct mm_struct *mm) return -1UL >> 8; } +static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, + bool write, bool execute, bool foreign) +{ + return true; +} + #include #endif /* !__ASSEMBLY__ */