From patchwork Mon Apr 29 10:33:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bang Li X-Patchwork-Id: 13646599 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 7A0C0C25B10 for ; Mon, 29 Apr 2024 10:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UoCTOLCZnWxjfITonxbMWyUd9rIiWNfbJEyEnlq9+tw=; b=35hMfXpCfizH21 uRzJqLTgINUDqg54rNJUyXy1rUDqLSGo1dkgoI+baLGmkiDBYSr2af29JmU5Ws+SswmClmGK1kkhA bMaMH8Mwys41v//hxfChw7vdJ+PJ/d1Cvlwur3Fv2AL2uqAqurwW5TCj09OhxhjzRZOtlBUn6FmaF gUexdIzEqNRXKqTfr7AN3kIANGushxouYjm1/+QOUNLOrBiOkQJNT3LpQWoEDFYc/QzyAKDL2Fywj XKZSZOPsx9arVl30h6Z7JT9oAYdMj+MDg5JYFfhEdCM+sXgCw0mImFeeCs2kj5FFqUxlgQl1TsGZF g2FirXAcOFF5TwuBDUzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s1ONA-00000002IhA-2ORt; Mon, 29 Apr 2024 10:36:36 +0000 Received: from out0-200.mail.aliyun.com ([140.205.0.200]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s1OMl-00000002IMd-1au6 for linux-riscv@lists.infradead.org; Mon, 29 Apr 2024 10:36:15 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antgroup.com; s=default; t=1714386961; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=L9Nnq3jHrztC2V1l+aPsgS97TA5W6U5sPTcwdSCKib4=; b=oPwIfU0gSfBrVohHAdkhWKn06WI1FfS6b7uuYUGFoD88bxPGYtPbEIU96r+wxLekbLAGx5cc+JBuPTky9Ikn+TmK+i6Dz/2Zlsaz86JX551+PpkPQ9o7i9IYIwZhU/kVVqBs6vcSRTRCVJ4B594Fow2YluF6wz6Cc9b90k+GtuA= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R831e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018047207;MF=libang.li@antgroup.com;NM=1;PH=DS;RN=17;SR=0;TI=SMTPD_---.XOEanMa_1714386956; Received: from localhost(mailfrom:libang.li@antgroup.com fp:SMTPD_---.XOEanMa_1714386956) by smtp.aliyun-inc.com; Mon, 29 Apr 2024 18:35:57 +0800 From: "Bang Li" To: akpm@linux-foundation.org, chenhuacai@kernel.org, tsbogend@alpha.franken.de, paul.walmsley@sifive.com, palmer@dabbelt.com, chris@zankel.net, jcmvbkbc@gmail.com Cc: , , , , , , , , , "Bang Li" Subject: [PATCH v1 4/5] xtensa: Add update_mmu_tlb_range() Date: Mon, 29 Apr 2024 18:33:45 +0800 Message-Id: <20240429103346.59115-5-libang.li@antgroup.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20240429103346.59115-1-libang.li@antgroup.com> References: <20240429103346.59115-1-libang.li@antgroup.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240429_033611_731997_5FB18A73 X-CRM114-Status: UNSURE ( 5.88 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Added update_mmu_tlb_range function, we can batch update tlb of an address range. Signed-off-by: Bang Li --- arch/xtensa/include/asm/pgtable.h | 2 ++ arch/xtensa/mm/tlb.c | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 9a7e5e57ee9a..50ccfc988256 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -412,6 +412,8 @@ typedef pte_t *pte_addr_t; void update_mmu_tlb(struct vm_area_struct *vma, unsigned long address, pte_t *ptep); +void update_mmu_tlb_range(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, unsigned int nr); #define __HAVE_ARCH_UPDATE_MMU_TLB #endif /* !defined (__ASSEMBLY__) */ diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c index d8b60d6e50a8..05efba86b870 100644 --- a/arch/xtensa/mm/tlb.c +++ b/arch/xtensa/mm/tlb.c @@ -169,6 +169,12 @@ void update_mmu_tlb(struct vm_area_struct *vma, local_flush_tlb_page(vma, address); } +void update_mmu_tlb_range(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, unsigned int nr) +{ + local_flush_tlb_range(vma, address, address + PAGE_SIZE * nr); +} + #ifdef CONFIG_DEBUG_TLB_SANITY static unsigned get_pte_for_vaddr(unsigned vaddr)