From patchwork Mon Jul 10 20:43:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 13307601 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D77BDC001B0 for ; Mon, 10 Jul 2023 20:43:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 347848E0002; Mon, 10 Jul 2023 16:43:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 29A138E0003; Mon, 10 Jul 2023 16:43:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F1E9E8E0002; Mon, 10 Jul 2023 16:43:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id DD14F8D0002 for ; Mon, 10 Jul 2023 16:43:46 -0400 (EDT) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id AB66714027E for ; Mon, 10 Jul 2023 20:43:46 +0000 (UTC) X-FDA: 80996878452.27.18E7BBD Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf15.hostedemail.com (Postfix) with ESMTP id F3FC9A000D for ; Mon, 10 Jul 2023 20:43:44 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="E8a7/eIM"; dmarc=none; spf=none (imf15.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1689021825; a=rsa-sha256; cv=none; b=ompLz8w2i/6UaIvUFk8sILPpFwVzQ1doCjE2rwz2/csrGvjm5OKKjyjCJIF3xfLe+6Ta/f fCR76AnuX6Kn3P2rxjuQMENGE/l/eGwgNlHS+4AV2cHFReHvEgxnodAJU3KjsxCMDNixwY pf23ZS/xag0JMEJAkzn6B29OICROOx4= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="E8a7/eIM"; dmarc=none; spf=none (imf15.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1689021825; 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:dkim-signature; bh=NROTlL6IHKcHVr5IJzwMhJiAK5XHIL/ixXU1imRUdQ4=; b=79dRCkB/yUiBogKaynqzajC8xooIv2yddTozMWwTxNjQwysGDHjCS5YMkpUA1EvhIfloMQ yHHC4nNpBojV9vN9tXwQjNDHDo9fZseq+4RGgx5YrKjU6ermUqPHDM6XsB6uYNW3EJDDh/ tkwfyjRTawliGrYizXT+zqsw2J4S1ug= 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=NROTlL6IHKcHVr5IJzwMhJiAK5XHIL/ixXU1imRUdQ4=; b=E8a7/eIMgmOjsWrBHysNQXo1Ni ggvEuhfIneD9rq41HR/VUHUxXTJXr/lSG839FvzdGonh++4SxvKlk43T6taeXoogmOYrwjQbJwbnH E+5D6BjuHj4ufh0T8ojX9/RPH2n4+tDnWdrTf2UwwdZGxe/V04uHxgGLik7rPhCZstHGKAt7jbdQX w49Chx2oydHYYjGyyXLvrCsLKhhb8ZMySs9Dnt44+D1TB7jlCCGiLYpHM78Ol1RFiA1yIwML3s9JR 6bhbxgAAtiAyQST7teIYKdsEOFVgso9+5RoiI7smGYFo9KanW2IL36S7lXKxlSJFLpuzp1Kfjr1ip 7p9jiTQw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qIxjR-00EuoR-Md; Mon, 10 Jul 2023 20:43:41 +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 , Richard Henderson , Ivan Kokshaysky , Matt Turner , linux-alpha@vger.kernel.org Subject: [PATCH v5 07/38] alpha: Implement the new page table range API Date: Mon, 10 Jul 2023 21:43:08 +0100 Message-Id: <20230710204339.3554919-8-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 X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: F3FC9A000D X-Stat-Signature: 1insdpj3mmedmsaeqwkcwnd1nkdayk7o X-HE-Tag: 1689021824-740262 X-HE-Meta: U2FsdGVkX1+nkTIHSP8Lf9RYmKrsBM+54IVzkDOkx7rto3J8h90akp1oOjHbRJUxSXClCQGjtEge340MaJ/u6mRttz91oIpT9QdF8Z2hvD5MpPX0+ZdK0o1dXJaWAQqJiCJonqk+mru8XpqzVqjdev5J3SdnQ5a6awrrdZFpIU0otyMQjU63/VPtBHqForZXoIDwTBQ4U9byR9fiG08sv4os/YtesTMWh/8/VoNqAif51oAITxkX5rhIH9uLwSOsJ7fhiXeMq2QJGBTTRB4QhGd9En7ia6dFPFRhnbjrjpFAkIPYi33uPQQzo3QZPinky0coJOw2TO9Jku5wPwf5sZ41au2eGntX5smoKIzZ5O6CAeDT1kUP4jEhNUw0NEcVV0ihp8YKQImfNpiJW0QaRD249paxM+SZe9jKyRtJ3nD+H+qAIWqUNO3wRozWT0/uFD2x6Vi7MN4kooqDynsB4FZ2c3RKQR8eRAZX2rMhe4TkSSwefbzy9elaBLKGY7tksq1DAz+55vAA28FJs/uozJswpGRsRqMzYeQL98bhbXd8vugSQeDGY1RiPVz35g7hSV2964AirsbgmxqFMtnWi3lY4FptYnEQUy3GLNjxJpRPIQqmcRw4cREvszxSCNfJCqUgDmDDH+UDrco1ZAZbu7KxPaGyxzOmBeLJ1qXEyr/vY3rhSW5LK14kJb+byLc0rSwq2YwRBldFQOR/MU51Eijau380OKbSxjbZEKoFK9NcVn2hjO7PIycI50Sr2ptbfIsj2CDVdottaTUhfcKe8kf7Dncm5K+eDpiKSYpQzgHKZQJBevUDx2QWdc9yqV6VZ8T69UIbSD9le1aJXjEazAMBy7nTbW0R1tDC1reHDPVrbu41RKA6CgNejTlEgyiuKXG3qdGKHdscwo4JCbfd83hu1Hq/R4tfy8fupZdeZ0ReLWgQE44XNgQs0p8oULE9ooQoy45gMWWMAMYGv96 mcaeZ3SE H4UeKEcfqARRd8vvBompFPXrcHUa6nyhodrwkiI4JMXIoRJwfwouY9Zf8xnPj4VV2UjOC92Xdj7DmcLrjFXVC4I6Gv4AqbjgMACE0JYROB3pIuQBSj5rqXeHOJdmQ5YGiiL3E0zpNwCrmAGp99KoDwlXsXCBFHRUDAyc2mBidvmjz2TCuHJ2GrqdlgGf0DdFXQyOzhkDGd81MkiPbFMz4dTfAKnBGDNg6LfTwYDBQbA30sBUi74XkNGAta+u3WjZWYhUt3rUVMLBu+tc5JnaOeCUHn2BoqNLPCUZBbxIu4XlN6vmBSKZ34zGhZxmq+uLGZvzTvvcRHnGA0M5rYeNnPuni0ckG07PoEwv0h1p08g6xBqor5maMpyebkrpWHWTIy0bD 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 PFN_PTE_SHIFT, update_mmu_cache_range() and flush_icache_pages(). Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Mike Rapoport (IBM) Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Matt Turner Cc: linux-alpha@vger.kernel.org --- arch/alpha/include/asm/cacheflush.h | 10 ++++++++++ arch/alpha/include/asm/pgtable.h | 10 ++++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h index 9945ff483eaf..3956460e69e2 100644 --- a/arch/alpha/include/asm/cacheflush.h +++ b/arch/alpha/include/asm/cacheflush.h @@ -57,6 +57,16 @@ extern void flush_icache_user_page(struct vm_area_struct *vma, #define flush_icache_page(vma, page) \ flush_icache_user_page((vma), (page), 0, 0) +/* + * Both implementations of flush_icache_user_page flush the entire + * address space, so one call, no matter how many pages. + */ +static inline void flush_icache_pages(struct vm_area_struct *vma, + struct page *page, unsigned int nr) +{ + flush_icache_user_page(vma, page, 0, 0); +} + #include #endif /* _ALPHA_CACHEFLUSH_H */ diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index ba43cb841d19..747b5f706c47 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -26,7 +26,6 @@ struct vm_area_struct; * hook is made available. */ #define set_pte(pteptr, pteval) ((*(pteptr)) = (pteval)) -#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) /* PMD_SHIFT determines the size of the area a second-level page table can map */ #define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3)) @@ -189,7 +188,8 @@ extern unsigned long __zero_page(void); * and a page entry and page directory to the page they refer to. */ #define page_to_pa(page) (page_to_pfn(page) << PAGE_SHIFT) -#define pte_pfn(pte) (pte_val(pte) >> 32) +#define PFN_PTE_SHIFT 32 +#define pte_pfn(pte) (pte_val(pte) >> PFN_PTE_SHIFT) #define pte_page(pte) pfn_to_page(pte_pfn(pte)) #define mk_pte(page, pgprot) \ @@ -303,6 +303,12 @@ extern inline void update_mmu_cache(struct vm_area_struct * vma, { } +static inline void update_mmu_cache_range(struct vm_fault *vmf, + struct vm_area_struct *vma, unsigned long address, + pte_t *ptep, unsigned int nr) +{ +} + /* * Encode/decode swap entries and swap PTEs. Swap PTEs are all PTEs that * are !pte_none() && !pte_present().