From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 50/54] exec: use flush_icache_user_range in read_code Date: Sun, 07 Jun 2020 21:42:43 -0700 Message-ID: <20200608044243.b-G7FjUW2%akpm@linux-foundation.org> References: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:39150 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727122AbgFHEmp (ORCPT ); Mon, 8 Jun 2020 00:42:45 -0400 In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: akpm@linux-foundation.org, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk From: Christoph Hellwig Subject: exec: use flush_icache_user_range in read_code read_code operates on user addresses. Link: http://lkml.kernel.org/r/20200515143646.3857579-27-hch@lst.de Signed-off-by: Christoph Hellwig Cc: Alexander Viro Signed-off-by: Andrew Morton --- fs/exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/exec.c~exec-use-flush_icache_user_range-in-read_code +++ a/fs/exec.c @@ -1059,7 +1059,7 @@ ssize_t read_code(struct file *file, uns { 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); _