From patchwork Sun May 10 07:55:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11539049 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 725FC159A for ; Sun, 10 May 2020 08:05:32 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5102B208DB for ; Sun, 10 May 2020 08:05:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qL2vZ/2F" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5102B208DB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date :Subject:To:From:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9nkBbtmLvQl1eKzV5tIp1XNxgG4m4pb8wLV/D1oxyTY=; b=qL2vZ/2F0D4ou+ AjL8fn2dsdGauU2NN+Daxl4SblSPtuQGGZFRFBm37x1t2zudDy/DcD0ZD9995uL5XA3amxY4x7Jet wghAD2QxAZnjsqOApXXvZo7RQrvWHVf+GpWA1sR1San0jArb+BuN6UZfP8dMFVTjWooiRSKjqBCrn AVuTkSUtbekeEinBxBXwQS8szAwqbdqyQaG17z1h5G81CyOhJ4u7grAMYdvu9l1sGCmeL0KoW6GoH VJOto/V1YojzZ950eIedGygj1qgJgS0VMRtNgJRfQSUYdafl3EA87v/4/6xa068KImXlXSokXf3W2 N1Mdq7MpQjbtvx7FTXbw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXgxj-0007Ep-5Y; Sun, 10 May 2020 08:05:27 +0000 Received: from [2001:4bb8:180:9d3f:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXgpF-0001HQ-95; Sun, 10 May 2020 07:56:41 +0000 From: Christoph Hellwig To: Andrew Morton , Arnd Bergmann , Roman Zippel Subject: [PATCH 28/31] exec: use flush_icache_user_range in read_code Date: Sun, 10 May 2020 09:55:07 +0200 Message-Id: <20200510075510.987823-29-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200510075510.987823-1-hch@lst.de> References: <20200510075510.987823-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-xtensa@linux-xtensa.org, Michal Simek , Jessica Yu , linux-ia64@vger.kernel.org, linux-c6x-dev@linux-c6x.org, linux-sh@vger.kernel.org, linux-hexagon@vger.kernel.org, x86@kernel.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org, linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org read_code operates on user addresses. Signed-off-by: Christoph Hellwig --- fs/exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index a4f766f296f8f..c541867316a63 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1033,7 +1033,7 @@ ssize_t read_code(struct file *file, unsigned long addr, loff_t pos, size_t len) { ssize_t res = vfs_read(file, (void __user *)addr, len, &pos); if (res > 0) - flush_icache_range(addr, addr + len); + flush_icache_user_range(addr, addr + len); return res; } EXPORT_SYMBOL(read_code);