From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CC364C3ABA5 for ; Tue, 29 Apr 2025 05:35:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BORzaS8UMoTufghFvn6+seF/n3gYea85fRPT58fYDQ0=; b=ZQZmQF3u2t/YOZrgC3YlvkqyGA pRBXn53WHzwxJumoinI4USkxU0lweJi3hBer14CZW4LLXzW9uqpE939YLU7HKSqfJz6Tz6riTiLy2 oa165YQcNq1ct1jAp74N4FrXHbMSCMc/61Ruw66Y9QX869VzQZm/VeYKHHAY72QBGT8UfWQn4ZKm+ FpQShyZS9lSwMOrJkbK13bUgWD5ZSA0XsOPeGKe2jGjSXUfvvU3r+88WIZTp6yQxAaO9Q4d03pjRg 0QE53irOcVSnGeFtP92DNOeQKmXe/k/q/pBFIKzIP7xfbhwe6ZZv4sP18FjJGOvX7DvSK+qik15ie 9cjsz5rQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u9dd4-00000008P3j-001S; Tue, 29 Apr 2025 05:35:38 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u9dST-00000008Nd8-41s2 for linux-arm-kernel@lists.infradead.org; Tue, 29 Apr 2025 05:24:46 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250428_222442_046852_C8C7A64E X-CRM114-Status: UNSURE ( 9.00 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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