From patchwork Fri May 15 14:36:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11551951 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 9C285913 for ; Fri, 15 May 2020 14:38:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 612082075F for ; Fri, 15 May 2020 14:38:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="PrewDot9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 612082075F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0253E80055; Fri, 15 May 2020 10:38:26 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id EECD880051; Fri, 15 May 2020 10:38:25 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DB3E080055; Fri, 15 May 2020 10:38:25 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id BA65A80051 for ; Fri, 15 May 2020 10:38:25 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 7FF97180AD81D for ; Fri, 15 May 2020 14:38:25 +0000 (UTC) X-FDA: 76819208970.29.kitty03_4982f4412ca50 X-Spam-Summary: 2,0,0,94df0cced3937bf1,d41d8cd98f00b204,batv+e5f7f93d3739a79b60a3+6109+infradead.org+hch@bombadil.srs.infradead.org,,RULES_HIT:41:355:379:541:800:960:988:989:1260:1311:1314:1345:1359:1515:1534:1539:1568:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3876:3877:4321:5007:6114:6261:6642:6653:6742:6743:10004:11026:11658:11914:12114:12160:12297:12438:12517:12519:12555:12895:12986:13069:13311:13357:13894:14181:14384:14394:14721:21080:21451:21627:21795:21990:30051:30054,0,RBL:198.137.202.133:@bombadil.srs.infradead.org:.lbl8.mailshell.net-62.8.0.100 64.201.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:19,LUA_SUMMARY:none X-HE-Tag: kitty03_4982f4412ca50 X-Filterd-Recvd-Size: 2998 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf03.hostedemail.com (Postfix) with ESMTP for ; Fri, 15 May 2020 14:38:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=9nkBbtmLvQl1eKzV5tIp1XNxgG4m4pb8wLV/D1oxyTY=; b=PrewDot91eBJtI4CmunBQt8auz 5Qf471gFdXaMKcMey4uvcCm1/zMSb7AxBI1tT91bJJlRm1ScK54gyxd4uAUXCbf03WqD9x+ol2NOj UguMrDDZudEcN4LA49bcHmbdnURGtDw3k2BGxwBkRkR12N8iephTJqGeDSHQWQjM0Ow0WcLkL4gY/ NvIyYhsyq46MDhXpWE2O/X2e5CfxR+BoufSX/GEsGPR4xUs6W136aHYY0NicjX+NzxB21IB+GLTNj zSG37nkB1058MbJlOxd8otsj2ePnMSqxje3+vd1BrLDKVnhnA+TDiS4ToD8fPt86HMsp5w6cR7CE2 3eV0aDWg==; Received: from [2001:4bb8:188:1506:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jZbTT-0005Dh-3V; Fri, 15 May 2020 14:38:07 +0000 From: Christoph Hellwig To: Andrew Morton , Arnd Bergmann , Roman Zippel Cc: Jessica Yu , Michal Simek , x86@kernel.org, linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 26/29] exec: use flush_icache_user_range in read_code Date: Fri, 15 May 2020 16:36:43 +0200 Message-Id: <20200515143646.3857579-27-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200515143646.3857579-1-hch@lst.de> References: <20200515143646.3857579-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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);