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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90184C1975A for ; Thu, 12 Mar 2020 04:10:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 640C1206F7 for ; Thu, 12 Mar 2020 04:10:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 640C1206F7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0432F6B0007; Thu, 12 Mar 2020 00:10:49 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F01816B0008; Thu, 12 Mar 2020 00:10:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E173D6B000A; Thu, 12 Mar 2020 00:10:48 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0131.hostedemail.com [216.40.44.131]) by kanga.kvack.org (Postfix) with ESMTP id C6A4C6B0007 for ; Thu, 12 Mar 2020 00:10:48 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id B3D5B5DD5 for ; Thu, 12 Mar 2020 04:10:48 +0000 (UTC) X-FDA: 76585384176.26.soap15_241f2cd73742f X-HE-Tag: soap15_241f2cd73742f X-Filterd-Recvd-Size: 3642 Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) by imf20.hostedemail.com (Postfix) with ESMTP for ; Thu, 12 Mar 2020 04:10:48 +0000 (UTC) Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id A1E08A37C25A8E4A232F; Thu, 12 Mar 2020 12:10:36 +0800 (CST) Received: from DESKTOP-KKJBAGG.china.huawei.com (10.173.220.25) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Mar 2020 12:10:28 +0800 From: Zhenyu Ye To: , , , , , , , CC: , , , , , , , , Subject: [RFC PATCH v2 3/3] arm64: tlb: add support for TTL in some functions Date: Thu, 12 Mar 2020 12:10:18 +0800 Message-ID: <20200312041018.1927-4-yezhenyu2@huawei.com> X-Mailer: git-send-email 2.22.0.windows.1 In-Reply-To: <20200312041018.1927-1-yezhenyu2@huawei.com> References: <20200312041018.1927-1-yezhenyu2@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.173.220.25] X-CFilter-Loop: Reflected Content-Transfer-Encoding: quoted-printable 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: Add support for TTL in some ARM64-Architecture functions. The relevant functions are: __pte_free_tlb __pmd_free_tlb __pud_free_tlb clear_flush get_clear_flush Signed-off-by: Zhenyu Ye --- arch/arm64/include/asm/tlb.h | 3 +++ arch/arm64/mm/hugetlbpage.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index b76df828e6b7..5ab686e300e9 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -44,6 +44,7 @@ static inline void tlb_flush(struct mmu_gather *tlb) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { + tlb->mm->context.flags |=3D S1_PTE_LEVEL; pgtable_pte_page_dtor(pte); tlb_remove_table(tlb, pte); } @@ -53,6 +54,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tl= b, pmd_t *pmdp, unsigned long addr) { struct page *page =3D virt_to_page(pmdp); + tlb->mm->context.flags |=3D S1_PMD_LEVEL; =20 pgtable_pmd_page_dtor(page); tlb_remove_table(tlb, page); @@ -63,6 +65,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tl= b, pmd_t *pmdp, static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp, unsigned long addr) { + tlb->mm->context.flags |=3D S1_PUD_LEVEL; tlb_remove_table(tlb, virt_to_page(pudp)); } #endif diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index bbeb6a5a6ba6..a69248aa6e1f 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -141,6 +141,7 @@ static pte_t get_clear_flush(struct mm_struct *mm, =20 if (valid) { struct vm_area_struct vma =3D TLB_FLUSH_VMA(mm, 0); + mm->context.flags |=3D S1_PTE_LEVEL; flush_tlb_range(&vma, saddr, addr); } return orig_pte; @@ -163,6 +164,7 @@ static void clear_flush(struct mm_struct *mm, { struct vm_area_struct vma =3D TLB_FLUSH_VMA(mm, 0); unsigned long i, saddr =3D addr; + mm->context.flags |=3D S1_PTE_LEVEL; =20 for (i =3D 0; i < ncontig; i++, addr +=3D pgsize, ptep++) pte_clear(mm, addr, ptep); --=20 2.19.1