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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1745841929; 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=GjxrBths7OrFbvlyr6a95Lie4pTZuy28VtlWkMmWvnach0y+BFQQhjWQ6yC9BnWjZmGjAj NMF2vPGLkXRplrZcEPe+34K7rsfYRZvWXj4Drh0c7FyTRIkO1suOOaaQM97ZcId4u/i5GZ 8XjuJcjOnjLC+fbfvF58NMrU0dIEuQA= 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 67D3C22C8; Mon, 28 Apr 2025 05:05:22 -0700 (PDT) Received: from K4MQJ0H1H2.arm.com (unknown [10.163.78.210]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7742D3F66E; Mon, 28 Apr 2025 05:05:20 -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 5/7] arm64: Add batched version of ptep_modify_prot_commit Date: Mon, 28 Apr 2025 17:34:12 +0530 Message-Id: <20250428120414.12101-6-dev.jain@arm.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20250428120414.12101-1-dev.jain@arm.com> References: <20250428120414.12101-1-dev.jain@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 8311D160003 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: r1n5acrech64cy9qk437qafjripwripn X-HE-Tag: 1745841929-890094 X-HE-Meta: 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 YRe/lPm2 dhUz+J42yyH8x6IC6Ld2P1u45ReeDv+/7TXx0sMWrGjSEU3hgXqUiIE/YbYXukqDvBEq6CCHRz9KXdXmFG7YnpGGF5MS4EMTgFA+gJiRtzhL30y2V8eU7OBAd9QSOQXIIL5vM7J04g83MzVMDn22ARvQ1fC197fECPdnwokRC3D5jf1FbTAHhE9VFiV/5fBA/JrR5OoH3V4TsOdc= 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