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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1745904282; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BORzaS8UMoTufghFvn6+seF/n3gYea85fRPT58fYDQ0=; b=noFUYuFyVM9frjvQdSAiFwU//ajB7T0o56LmhPKMxVRSmQ2FqaLHoU++Ge2vH2asLaHJDu fiWamJ3t3UFiBlG9kFMDtXATIV1PrHH+JCPfPIRvY/vGkaG1AbzUJ5K6vZM2JWUDbP+tUY qiw+1ryRNkZEOIcksx+asTMHxQYVMD4= 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 D8AEE1515; Mon, 28 Apr 2025 22:24:34 -0700 (PDT) Received: from K4MQJ0H1H2.arm.com (unknown [10.163.78.253]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7C8C03F5A1; Mon, 28 Apr 2025 22:24:32 -0700 (PDT) From: Dev Jain To: akpm@linux-foundation.org Cc: ryan.roberts@arm.com, david@redhat.com, willy@infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz, jannh@google.com, anshuman.khandual@arm.com, peterx@redhat.com, joey.gouly@arm.com, ioworker0@gmail.com, baohua@kernel.org, kevin.brodsky@arm.com, quic_zhenhuah@quicinc.com, christophe.leroy@csgroup.eu, yangyicong@hisilicon.com, linux-arm-kernel@lists.infradead.org, namit@vmware.com, hughd@google.com, yang@os.amperecomputing.com, ziy@nvidia.com, Dev Jain Subject: [PATCH v2 5/7] arm64: Add batched version of ptep_modify_prot_commit Date: Tue, 29 Apr 2025 10:53:34 +0530 Message-Id: <20250429052336.18912-6-dev.jain@arm.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20250429052336.18912-1-dev.jain@arm.com> References: <20250429052336.18912-1-dev.jain@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 6A84C180009 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: idx6h9n53zjer7jhprbsjwtradk8p6is X-HE-Tag: 1745904282-946193 X-HE-Meta: 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 V/p75kTF nas/wURt1xmRiuZMqhadj1y6TDbNkSylbc6/WDetU5xp02QVIhk+MrKvUGhxda3itptYa3QzWfHLYktEjYmm6Dl95ubHWMBRf09xpzir+KbKoNyuqOxKshLz8gywGo/WcF4pKLemeGCIcyLW4UHMf4A+Jfa1JJf1rbt1CAABUMQSDPqmtKWTLteJngFqf/xdNQA6L9cENxhRe488= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Override the generic definition to simply use set_ptes() to map the new ptes into the pagetable. Signed-off-by: Dev Jain --- arch/arm64/include/asm/pgtable.h | 5 +++++ arch/arm64/mm/mmu.c | 9 ++++++++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 8872ea5f0642..0b13ca38f80c 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1558,6 +1558,11 @@ extern pte_t modify_prot_start_ptes(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, unsigned int nr); +#define modify_prot_commit_ptes modify_prot_commit_ptes +extern void modify_prot_commit_ptes(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, pte_t old_pte, pte_t pte, + unsigned int nr); + #ifdef CONFIG_ARM64_CONTPTE /* diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index fe60be8774f4..5f04bcdcd946 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -1543,10 +1543,17 @@ pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte return modify_prot_start_ptes(vma, addr, ptep, 1); } +void modify_prot_commit_ptes(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, pte_t old_pte, pte_t pte, + unsigned int nr) +{ + set_ptes(vma->vm_mm, addr, ptep, pte, nr); +} + void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t old_pte, pte_t pte) { - set_pte_at(vma->vm_mm, addr, ptep, pte); + modify_prot_commit_ptes(vma, addr, ptep, old_pte, pte, 1); } /* -- 2.30.2