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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7E4FDC98306 for ; Wed, 23 Sep 2026 02:32:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 60EBA6B00A4; Tue, 22 Sep 2026 22:32:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5EDC36B00A6; Tue, 22 Sep 2026 22:32:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 28AB56B00A6; Tue, 22 Sep 2026 22:32:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 0BF876B00A4 for ; Tue, 22 Sep 2026 22:32:05 -0400 (EDT) Received: from smtpin29.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id C6FB3A06AB for ; Wed, 23 Sep 2026 02:32:03 +0000 (UTC) X-FDA: 85243452126.29.8D40F4A Received: from out-2z4y-a152.jellyfish.systems (out-2z4y-a152.jellyfish.systems [198.54.127.152]) by imf10.hostedemail.com (Postfix) with ESMTP id E9FDCC0002 for ; Wed, 23 Sep 2026 02:32:01 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=tychen.cc header.s=spacemail header.b=pqPP1eUl; spf=pass (imf10.hostedemail.com: domain of hi@tychen.cc designates 198.54.127.152 as permitted sender) smtp.mailfrom=hi@tychen.cc; dmarc=pass (policy=none) header.from=tychen.cc ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1790130722; 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=eY2FwUhC+QO6BDI+/C9DuRURjCy94COvOGbyA9JIVXI=; b=dT4/5yZTdReQlzlBeaY9KPmnaDT3iOWysO3koiFoPym3XdMCVeLR6LlGzmWT2+KvvEm84F ikQuJ2rs9yedOnXG+YmQzizM7fJvrojE69C+qmDancaKO9GBQkRWIhe0BZIGLOiwqIVLPI wx7VUjjLuUVZgNkXIbF/dfgAYNMKYLQ= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1790130722; b=iGrm4hmd7SYEHOvj95t+FSZPAf3Kz6AhSPoTDgfSckPCy43boUi2YONY/KBPeyDUXgExfe JnLxeyMmQglIrI7J1ltCMC0Glz2bRmy7EguTBosJK6sKeUF10a9Qws7qrrln/hItJ+214v Foqyo4MS5R9A7LuAx2plkF2nNTF5ovM= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=tychen.cc header.s=spacemail header.b=pqPP1eUl; spf=pass (imf10.hostedemail.com: domain of hi@tychen.cc designates 198.54.127.152 as permitted sender) smtp.mailfrom=hi@tychen.cc; dmarc=pass (policy=none) header.from=tychen.cc Received: from fedora (unknown [120.199.7.38]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.spacemail.com (Postfix) with ESMTPSA id 4hqLZS3Tcqz8sYF; Wed, 23 Sep 2026 02:31:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tychen.cc; s=spacemail; t=1790130707; bh=eY2FwUhC+QO6BDI+/C9DuRURjCy94COvOGbyA9JIVXI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pqPP1eUlaCDTUv5yCrMgjH2Wc/3DT6OkW+73aUgF1rN5slTP+4VSHmpSU3PFtP6Sf 9+2OlvqjVW+bGed9UI7fz9L5qPAvygnMpQQ5bfpVf3ZIsVzSnXY0YMRfSjiuzguuRn 4aTDwgxNHI1FpzJaGcVTyDkuNtWvoUOmyPEgaIuwh7/IFPjYd1eaDEbvw9EvQNNIYv qHyvBfuoCA5UTn+5tF8yB/W9W93XPPMqw7uu9ijIL3WOllCaQvdH3uKN8L7mtJGrTG BR9Fv6Vx0S9ky/PKpnL890E8FcFT4nIBpUR+gQCjcYFtme25oYZLLm4KYCxUwdRxWc hetsWI7wL3cGg== From: Tianyi Chen To: Mike Rapoport Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] tools: use __pa() in virt_to_phys() Date: Wed, 23 Sep 2026 11:31:25 +0900 Message-ID: <20260923023126.1910311-4-hi@tychen.cc> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260923023126.1910311-1-hi@tychen.cc> References: <20260923023126.1910311-1-hi@tychen.cc> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Envelope-From: hi@tychen.cc X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: E9FDCC0002 X-Stat-Signature: tzrz16s8jarbch3ou6gezsgswjmotddh X-Rspam-User: X-HE-Tag: 1790130721-670361 X-HE-Meta: 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 PRAot5Bb KwHnyS5bXG/FaWhSynOE1EYrwM2pzoWFEPYJ1FfOoIAXKOWkumm3sCdFw8EUb44qto/8J5n+BGLzHkOqyC1H/UKYuuMCQQg38gRvR30FSK22PhSvEubSLhjY1oADF9y+KxRipONRbivlRJExA8ZtvPJqES1X4AYYdM9mtb4efPOw8mNxve6xdvRrjHaeF0ii5xmU6MiqrLaUmCgN8Txw2OSDldJuAVHoI3z2nWYlnFM8cOg9cC9CtuRxdy2rH2DurXpV+slk8kWPEbDYZhaXmz1UFNbkRdIBvGF/wvqQO0SxC5WhfBXWDYee67WzPonQWsy9SNcCXBjhfcGfyZii2Lb+nAInoC1Zg18F1SQHxb8gkL0ySiu12A5tSn5n5BnQyd1iJRwQo0hdMu6+hwwR0IJyTCA7OCOjlOBFjoF0HmO/uIeQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: With 32-bit pointers and a 64-bit phys_addr_t, GCC warns about the pointer-to-integer cast in virt_to_phys(). It can also sign-extend pointers whose top bit is set, turning 0x80000000 into 0xffffffff80000000. Use __pa() to convert through unsigned long before widening the result. This preserves the unsigned pointer value and matches the other address conversion helpers. Reported-by: Mike Rapoport Link: https://lore.kernel.org/r/179007180279.508753.4595268983388589280.b4-review@b4 Assisted-by: LLM Signed-off-by: Tianyi Chen --- tools/include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h index 84b5954f66c3..480526de8d65 100644 --- a/tools/include/linux/mm.h +++ b/tools/include/linux/mm.h @@ -30,7 +30,7 @@ static inline void *phys_to_virt(unsigned long address) #define virt_to_phys virt_to_phys static inline phys_addr_t virt_to_phys(volatile void *address) { - return (phys_addr_t)address; + return __pa(address); } static inline void totalram_pages_inc(void) -- 2.55.0