From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B390C3EA7A; Wed, 31 Jan 2024 06:25:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706682355; cv=none; b=fg+R+MdYbyl/E6UpHrGvPrH92kBU3oXuxWns8pV5kjr9xOkSND+T7B4Nt0JoRfwYA5mKAnf5uBVBHZp+IU7uZBOjq8FWvld8HVHF3WSwZIaAuz0o0h3r8W1SLm7HbHMB534vaaEnim58T82zLk8CQ5LeLGsMGSPtwW+pWjOE1Ro= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706682355; c=relaxed/simple; bh=Dz+rEBJ1wZtGL4hQOfZUqa80XN/mQMePbBMimQSo/DE=; h=From:To:Cc:Subject:Date:Message-Id; b=I0cFyrxwB6CUjqhI5SpUDhovsFHQIqC5p+/pJU4IEqrPpVxsEzqW8DZe7ful/FQgKuPfcqY0guf8oFyyIOLM/i+dWAfcZQftqtWwmwQgDhs4WSvgXMxkfM3Ub88IyoFs6JNjvTG/OoZdaQ9yOBX9pHllMc/b6gEqgpKNbVlTRRA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=eAHplHh2; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="eAHplHh2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706682353; x=1738218353; h=from:to:cc:subject:date:message-id; bh=Dz+rEBJ1wZtGL4hQOfZUqa80XN/mQMePbBMimQSo/DE=; b=eAHplHh2S9pdRDzjgvzFHshNkiSArFrKroXo7QoWq/B812hZ6r8Z/UwD sabFCxTq56v5R+WcUv2ELz6qFPZf7sxg0eB+f066YRfU0IdP7mHIu57yy Mc1U3emt7Mo/Rk/kbsq9hBaM7ZcMRVcr6JVLNL8zaKW3+6KI6sCF6JimX 7fy5sWQwrIHjcSvWf3gIsHEi1pT9Mc7Izmj3Usuoh33qoWYC2+zxNHoG+ vLu8yFUWT8a05EKxed4Aq4Zislw0nUV2WtNDJkc5+W11qifFIaCHgrkVu xk6sCzv6YdEKUzaPWVId1Vxj70GBMsQcPrznm3JoRUiacWEHobr+jEQM0 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10969"; a="16888137" X-IronPort-AV: E=Sophos;i="6.05,231,1701158400"; d="scan'208";a="16888137" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2024 22:25:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,231,1701158400"; d="scan'208";a="3939842" Received: from yzhao56-desk.sh.intel.com ([10.239.159.62]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2024 22:25:50 -0800 From: Yan Zhao To: arnd@arndb.de, linus.walleij@linaro.org, guoren@kernel.org, bcain@quicinc.com, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-openrisc@vger.kernel.org, Yan Zhao Subject: [PATCH 0/4] apply page shift to PFN instead of VA in pfn_to_virt Date: Wed, 31 Jan 2024 13:51:59 +0800 Message-Id: <20240131055159.2506-1-yan.y.zhao@intel.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: This is a tiny fix to pfn_to_virt() for some platforms. The original implementaion of pfn_to_virt() takes PFN instead of PA as the input to macro __va, with PAGE_SHIFT applying to the converted VA, which is not right under most conditions, especially when there's an offset in __va. Yan Zhao (4): asm-generic/page.h: apply page shift to PFN instead of VA in pfn_to_virt csky: apply page shift to PFN instead of VA in pfn_to_virt Hexagon: apply page shift to PFN instead of VA in pfn_to_virt openrisc: apply page shift to PFN instead of VA in pfn_to_virt arch/csky/include/asm/page.h | 2 +- arch/hexagon/include/asm/page.h | 2 +- arch/openrisc/include/asm/page.h | 2 +- include/asm-generic/page.h | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) base-commit: 41bccc98fb7931d63d03f326a746ac4d429c1dd3 -- 2.17.1