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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B611C7619A for ; Wed, 15 Mar 2023 05:15:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 52E298E000F; Wed, 15 Mar 2023 01:14:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4B4738E000C; Wed, 15 Mar 2023 01:14:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 245D38E000F; Wed, 15 Mar 2023 01:14:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id EF08B8E0008 for ; Wed, 15 Mar 2023 01:14:54 -0400 (EDT) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id C1A2DAB77F for ; Wed, 15 Mar 2023 05:14:54 +0000 (UTC) X-FDA: 80569968108.10.903034A Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf19.hostedemail.com (Postfix) with ESMTP id 37F7C1A0008 for ; Wed, 15 Mar 2023 05:14:52 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=Dgag4LmK; dmarc=none; spf=none (imf19.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=1678857293; 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=0st9Mrc59fhc9IMmLMdFdFFlAbLT9wbreqz2AWFYyJ8=; b=TtaQLx4P6zMZtjlOEsLk12J98a2wd7UraOKtFHMOKGjhEi+GwTKI9OevwI35/tuWpOVHYV xQZmUxNH6CzGnEYDnpoxCA/jVY36PQ54WhbJLwaBLR9lsrriVPIwrvNltz6OqFoMXWSJ8+ Duvebj2EL8O7YvtpeXVzOo3dtO7E4v8= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=Dgag4LmK; dmarc=none; spf=none (imf19.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=1678857293; a=rsa-sha256; cv=none; b=TKf7mitmvPWmHkhikMf1Qlqa01s1tE71ECFLnTwBcjumlgfVP6v2FJQ85rlKypOMzE/JFp 07y6uOBIrWs4p2t7qjQFhxXnU9ED9BoHYsLsSVWG1dUaMTHCljLTaNBxQW/4xZ8DnaMP7o lhTeljBmBlaYF4tCRF7H9/SSDIPl6pI= 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=0st9Mrc59fhc9IMmLMdFdFFlAbLT9wbreqz2AWFYyJ8=; b=Dgag4LmKF0rIz5AIdwp+wqJheo CLolCrddE7Bc8qR0iHxu6Ho7H150VijFW/ZxoRKOY6x4pkWnZmiPY0OM2oN5P8H/Fs/MeH4QPtXgk ZE9mPbldtrjXnQVG697nsaMbI2wTBcFEO7DWOgSTrwEVysrfAlkiBXRblG53BZqYTrzOgkNvRlNQu 7OChw55UZHmed+ZDbPSiZJwFD+Q5Q56Hv65kwKcSjZV6jnH7UGJWU4GYt9WxNmwbniA0F2rFm/IEy WV9Cu7ZcCxlHNqKM4+Sl7GfbN2anMoSQIpkz59WebhopeUz0ENti95uNjgV9Zi7Gb0vNAl40o1sVl koLF9org==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pcJTK-00DYB9-WE; Wed, 15 Mar 2023 05:14:47 +0000 From: "Matthew Wilcox (Oracle)" To: linux-arch@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Richard Henderson , Ivan Kokshaysky , Matt Turner , linux-alpha@vger.kernel.org Subject: [PATCH v4 06/36] alpha: Implement the new page table range API Date: Wed, 15 Mar 2023 05:14:14 +0000 Message-Id: <20230315051444.3229621-7-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230315051444.3229621-1-willy@infradead.org> References: <20230315051444.3229621-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 37F7C1A0008 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: aynhaygmfic66m5nbhixgrj3b5ygtzr5 X-HE-Tag: 1678857292-713529 X-HE-Meta: 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 aE9ntv+S BlBT44x5v0QWY8Wbezu0R34U6fNvMkLYWG5ij+HlJij0W7mkP+J96ttqkW7QABuwHklI71mxh4X62t5lJwZyz/pfBhIxaSIUI++QX7/o74oSllc2YhiAhKRPF9w4BNFLZhg98ey0vks0u/XPYxP6PnnQR5eWn4uMV83uSBIStgLOnu9nhlZNLwfP1IqqIJP/HHBXJHcs271wwJb1Cu/yXHkdMOzHf9mvdLo5z4f6VWj9mlqT7Ts9ol9VbfkN6hwN5CO/NR623An3V4skEhSNGmNCAhAulj6DLJPMfz4na5N54OIpBhXz/mpX7/luIfpxN6TXN0EhDId0yeEYxEQZiHesGC1cLpYT+OXm12p0Awuf15nNX1mz9jwCg/RO7/AEkfLDQ1JWrwuzbxx9kKqKWqVj1HA== 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) 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 | 9 +++++++-- 2 files changed, 17 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..6c24c408b8e9 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 +303,11 @@ extern inline void update_mmu_cache(struct vm_area_struct * vma, { } +static inline void update_mmu_cache_range(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(). -- 2.39.2