From patchwork Thu May 11 11:59:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 13237826 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 10D3CC7EE26 for ; Thu, 11 May 2023 12:01:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238082AbjEKMBO (ORCPT ); Thu, 11 May 2023 08:01:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237988AbjEKMA0 (ORCPT ); Thu, 11 May 2023 08:00:26 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F03DDD047 for ; Thu, 11 May 2023 04:59:57 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id 2adb3069b0e04-4efe8b3f3f7so9685935e87.2 for ; Thu, 11 May 2023 04:59:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683806397; x=1686398397; 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=uJU163QagIQsrvP5Rw+8jaAtPEKkrWxHz6dgH9Ny+pM=; b=OVzygYKFGH1TTuxbFUj+CoSj3NrTaizXuR71JpjrxDkWl2PVUYhH5JT70fm6co/+NH tgSpK7iB7XOIFx/oZ27wrlRvxiiOU0TkhphL4Cjxz38b+G77ryH+u4qiryaQVZOcLNF0 H0/G73Db2ZLdNZ+R+FwIBPtPTT8FO9chca9MkRhxDx0g0MNcweB6mimyP670IWhPwMJJ Zi33byy7BPYmwDP7tGDqy3rZxw7unhbkfjS7DQcxkZzUfpvfhpgVrM2yoH5+zUDj/FTE k6lQKniemblf8dnVu3vStZsdx03og3rxM39S2DuvQLZfuDbOnEOTZqUyvlVqW9qAn7Vc 1b6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683806397; x=1686398397; 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=uJU163QagIQsrvP5Rw+8jaAtPEKkrWxHz6dgH9Ny+pM=; b=bK2swhjLPKG0aVZJ42PGdHFj8TJiTqOXen3BN5VDfFLLjyCrCRfZBRpxfFAu0zgxd8 OFTUPSiImbhgjJwRQ9jke9Wi0OfT7+zW/t/SQGM9u6qF7UVq3v+l5VKdDpMicG6BCrV/ Lv9P8avva2uYAC1jsamPidEKeGvGstjDtjMT653Uyaoldlei/ezMDfieel1hXq4bvq6L McJkuD7aatfscXTwN7pC8XEKzQIQghNwVs4ti7S2u4jkbtOLfIPs7FqcS5lABiqGUTME rJQHg1RKkdmV139WkmWybRboZclPsIrBi29ANNoJmcdBWq2BmmLmgPci6uj8RHMW0yAX pecg== X-Gm-Message-State: AC+VfDzAMBvL9sBxIoJKG9KPgxgjebbMxyCv067WU76Z8dSyvr4n9jPp o3ygmIqA4y4C8eGLm8PisvPbzA== X-Google-Smtp-Source: ACHHUZ7ZE/nf3YvAX+fWh9Dbm/hshMVwzXisVNx+UvqRN2YZL2q+Z1orbXsbt6AiZ+R2G9hM4ez+dQ== X-Received: by 2002:a19:ad43:0:b0:4ef:d5fb:c37c with SMTP id s3-20020a19ad43000000b004efd5fbc37cmr2214552lfd.69.1683806397378; Thu, 11 May 2023 04:59:57 -0700 (PDT) Received: from [127.0.1.1] ([85.235.12.238]) by smtp.gmail.com with ESMTPSA id f16-20020ac25090000000b004cb23904bd9sm1100841lfm.144.2023.05.11.04.59.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 May 2023 04:59:57 -0700 (PDT) From: Linus Walleij Date: Thu, 11 May 2023 13:59:28 +0200 Subject: [PATCH 11/12] arm64: memory: Make virt_to_pfn() a static inline MIME-Version: 1.0 Message-Id: <20230503-virt-to-pfn-v6-4-rc1-v1-11-6c4698dcf9c8@linaro.org> References: <20230503-virt-to-pfn-v6-4-rc1-v1-0-6c4698dcf9c8@linaro.org> In-Reply-To: <20230503-virt-to-pfn-v6-4-rc1-v1-0-6c4698dcf9c8@linaro.org> To: Geert Uytterhoeven , Vineet Gupta , Catalin Marinas , Will Deacon , Arnd Bergmann , Russell King , Greg Ungerer Cc: 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. Signed-off-by: Linus Walleij Acked-by: Catalin Marinas --- 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)) /*