From nobody Mon Feb 9 16:17:24 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18882EB64DA for ; Mon, 10 Jul 2023 20:45:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232742AbjGJUpl (ORCPT ); Mon, 10 Jul 2023 16:45:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229669AbjGJUoQ (ORCPT ); Mon, 10 Jul 2023 16:44:16 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05B5DE4D; Mon, 10 Jul 2023 13:43:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=sMQRt4vH1ObkP1bKXMUZ8zoM72SIlxiZjD55fkj3j0k=; b=n3OahCLrH5ynSGq4TtitzKFZCm tCz7WUYXNr5RD1i/rXpMMwliW4bONdC7+C/iFgM/tLwwAtd+drGtecPi8nyKP+4KpGdkBguM8BzBL qm4OC/hSWVz0SYJS3P3id1s7KFaaC/BcXTAHQVR6MJP3POJnWrGtle2JD+xi7BusE+ns41ORyEKVr F1fyClyXhHiAK6uepDxgQX68J0kwUgdcAvl4PT8gRA/6kG2RUQrpaj+XO96r5BPI3XrTI9t9sTWWz Z3wad0zjHfsvX1okoo2p+8FuF/jgzM9RVpF49eI4rQ7zbzJbLiurc6Sr6UEju5X1kggGqjnRewSWo 7Hw+7bSg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qIxjU-00Euqd-Cy; Mon, 10 Jul 2023 20:43:44 +0000 From: "Matthew Wilcox (Oracle)" To: Andrew Morton Cc: "Matthew Wilcox (Oracle)" , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mike Rapoport , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" Subject: [PATCH v5 28/38] x86: Implement the new page table range API Date: Mon, 10 Jul 2023 21:43:29 +0100 Message-Id: <20230710204339.3554919-29-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230710204339.3554919-1-willy@infradead.org> References: <20230710204339.3554919-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add PFN_PTE_SHIFT and a noop update_mmu_cache_range(). Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Mike Rapoport (IBM) Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: x86@kernel.org Cc: "H. Peter Anvin" --- arch/x86/include/asm/pgtable.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index c6242bc58a71..9818f13bfa09 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -185,6 +185,8 @@ static inline int pte_special(pte_t pte) =20 static inline u64 protnone_mask(u64 val); =20 +#define PFN_PTE_SHIFT PAGE_SHIFT + static inline unsigned long pte_pfn(pte_t pte) { phys_addr_t pfn =3D pte_val(pte); @@ -1020,13 +1022,6 @@ static inline pud_t native_local_pudp_get_and_clear(= pud_t *pudp) return res; } =20 -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - page_table_check_ptes_set(mm, addr, ptep, pte, 1); - set_pte(ptep, pte); -} - static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd) { @@ -1292,6 +1287,11 @@ static inline void update_mmu_cache(struct vm_area_s= truct *vma, unsigned long addr, pte_t *ptep) { } +static inline void update_mmu_cache_range(struct vm_fault *vmf, + struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, unsigned int nr) +{ +} static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd) { --=20 2.39.2