From patchwork Mon May 22 07:00:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 13249895 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 48546C77B73 for ; Mon, 22 May 2023 07:02:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232376AbjEVHCi (ORCPT ); Mon, 22 May 2023 03:02:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230407AbjEVHBk (ORCPT ); Mon, 22 May 2023 03:01:40 -0400 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E29A012B for ; Mon, 22 May 2023 00:00:53 -0700 (PDT) Received: by mail-lj1-x22d.google.com with SMTP id 38308e7fff4ca-2af28a07be9so31002731fa.2 for ; Mon, 22 May 2023 00:00:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684738851; x=1687330851; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=721W88MgL2sNJMPnk6EOnDreN0TGHiKcLljkK4k+Xz4=; b=XQtAW71u4fTNd1m3CoQ2jBdXD9/L9co0wiCGXKPV7VPHkFBkn2paLpq4u7Zun4vihP Jt89fVfIK/kqwIEhUG0rEaMiY9youfI2gwNHpVmFNoLUlHPTqMB+dSsLsyZ0Nud3GfbF dtwCWhOjSDsxmfy8EsojhF7c8s35Z8LE87tWI+GqyJFAAak2TwvLXaQdq7RckdkYTHnU 18kKgbLJk4GVeA4A4vRYQZN2Dj0n1wcSakUxJpXVVadQkTB4oxfQonCpFh8YOMyqM+LF 0rSyjSqVr+DzD+fnTYDbXV9mB2Zq6QefKszArXVUbAr8pzAQFYflvnoSfXBTu+vX7dJn HUmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684738851; x=1687330851; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=721W88MgL2sNJMPnk6EOnDreN0TGHiKcLljkK4k+Xz4=; b=C1XpFcaZ1Q+Hwfg2c9uPXncqZ9TlyqwKd5ItoOj431YSZ6+ir1kJWrOoZtv9uQ7J4a Hr7hsqKEid9D0Vqr993YRvC/GbOoJZq9fjPSPZPtORUeO/f785ggjO9TiKmuQKqayckm LSlsErkysRfB7gTcE189vb8zNHC7L2fyixaoQlOsQ7IQJUF/32lkglYHKtXs5vWY8zno lC5J45fFA52R1I3U+ipIGgjVIKvyhRwVPDmDV/ZAjQx7rEWTbRCx95Hxhj1UcKJFy71i LnJ3Nv+5yyMOmV6YarKjcIJD/TouYpUz3tjWUW89bOHSNyqMY1plOexkJMFECFRR/88Y JiCQ== X-Gm-Message-State: AC+VfDygjxfGf5/K8vlwnj66wI+Y9V6NElQSgGFIzbeQhGoJcrNxUgFf /gs3rF53Irr7FxWbmFCOeqxfgg== X-Google-Smtp-Source: ACHHUZ5ydZUl5A6m9S8q9aK0NB+Gru9l4ALPwz/cspLv7wmn5Xxzg3mgI231HvvSe3EG+T/ALpu70Q== X-Received: by 2002:a2e:8e89:0:b0:2b0:259d:f670 with SMTP id z9-20020a2e8e89000000b002b0259df670mr453615ljk.4.1684738850979; Mon, 22 May 2023 00:00:50 -0700 (PDT) Received: from [127.0.1.1] ([85.235.12.238]) by smtp.gmail.com with ESMTPSA id q4-20020a2e8744000000b002adb98fdf81sm1010187ljj.7.2023.05.22.00.00.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 May 2023 00:00:50 -0700 (PDT) From: Linus Walleij Date: Mon, 22 May 2023 09:00:46 +0200 Subject: [PATCH v2 11/12] arm64: memory: Make virt_to_pfn() a static inline MIME-Version: 1.0 Message-Id: <20230503-virt-to-pfn-v6-4-rc1-v2-11-0948d38bddab@linaro.org> References: <20230503-virt-to-pfn-v6-4-rc1-v2-0-0948d38bddab@linaro.org> In-Reply-To: <20230503-virt-to-pfn-v6-4-rc1-v2-0-0948d38bddab@linaro.org> To: Andrew Morton , Geert Uytterhoeven , Vineet Gupta , Catalin Marinas , Will Deacon , Arnd Bergmann , Russell King , Greg Ungerer Cc: linux-mm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-snps-arc@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, Linus Walleij X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Making virt_to_pfn() a static inline taking a strongly typed (const void *) makes the contract of a passing a pointer of that type to the function explicit and exposes any misuse of the macro virt_to_pfn() acting polymorphic and accepting many types such as (void *), (unitptr_t) or (unsigned long) as arguments without warnings. Since arm64 is using to provide __phys_to_pfn() we need to move the inclusion of that header up, so we can resolve the static inline at compile time. Acked-by: Catalin Marinas Signed-off-by: Linus Walleij --- arch/arm64/include/asm/memory.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index c735afdf639b..4d85212b622e 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -331,6 +331,14 @@ static inline void *phys_to_virt(phys_addr_t x) return (void *)(__phys_to_virt(x)); } +/* Needed already here for resolving __phys_to_pfn() in virt_to_pfn() */ +#include + +static inline unsigned long virt_to_pfn(const void *kaddr) +{ + return __phys_to_pfn(virt_to_phys(kaddr)); +} + /* * Drivers should NOT use these either. */ @@ -339,7 +347,6 @@ static inline void *phys_to_virt(phys_addr_t x) #define __pa_nodebug(x) __virt_to_phys_nodebug((unsigned long)(x)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) -#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys((unsigned long)(x))) #define sym_to_pfn(x) __phys_to_pfn(__pa_symbol(x)) /*