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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75E57C433DF for ; Mon, 8 Jun 2020 04:42:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2F0D82081A for ; Mon, 8 Jun 2020 04:42:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="efT9XBpx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F0D82081A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C1F356B00CB; Mon, 8 Jun 2020 00:42:48 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BCFA16B00CC; Mon, 8 Jun 2020 00:42:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AE5E56B00CD; Mon, 8 Jun 2020 00:42:48 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0118.hostedemail.com [216.40.44.118]) by kanga.kvack.org (Postfix) with ESMTP id 91AF26B00CB for ; Mon, 8 Jun 2020 00:42:48 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 665845A0F6 for ; Mon, 8 Jun 2020 04:42:48 +0000 (UTC) X-FDA: 76904799216.09.ray54_4916b1226db7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin09.hostedemail.com (Postfix) with ESMTP id 3A60A18024ADD for ; Mon, 8 Jun 2020 04:42:48 +0000 (UTC) X-HE-Tag: ray54_4916b1226db7 X-Filterd-Recvd-Size: 2246 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf03.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 04:42:47 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E0F0D20870; Mon, 8 Jun 2020 04:42:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591591367; bh=gA3LfvZCyUVl8qpve+AqeeIleOjds8cVaX0lJHV41mU=; h=Date:From:To:Subject:In-Reply-To:From; b=efT9XBpxfXAKhOyLnN2DjZA/+3Rasu7rF1w77Zt3R+DpItSv9voimA8o8aVyDb392 BYXkhcnBtPoPHmKser/PzCMA0gK+gLuHaaOu2eFF0888TYLD2ikZ2KCWOSJ0k25vx8 JV/ts16W8RPzANsOHMXN8fDXHI+Em3uW+2ozSQ5U= Date: Sun, 07 Jun 2020 21:42:46 -0700 From: Andrew Morton To: akpm@linux-foundation.org, gerg@linux-m68k.org, hch@lst.de, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Subject: [patch 51/54] binfmt_flat: use flush_icache_user_range Message-ID: <20200608044246.2sVxciLFB%akpm@linux-foundation.org> In-Reply-To: <20200607212615.b050e41fac139a1e16fe00bd@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 3A60A18024ADD X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 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: From: Christoph Hellwig Subject: binfmt_flat: use flush_icache_user_range load_flat_file works on user addresses. Link: http://lkml.kernel.org/r/20200515143646.3857579-28-hch@lst.de Signed-off-by: Christoph Hellwig Acked-by: Greg Ungerer Cc: Alexander Viro Signed-off-by: Andrew Morton --- fs/binfmt_flat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/binfmt_flat.c~binfmt_flat-use-flush_icache_user_range +++ a/fs/binfmt_flat.c @@ -854,7 +854,7 @@ static int load_flat_file(struct linux_b #endif /* CONFIG_BINFMT_FLAT_OLD */ } - flush_icache_range(start_code, end_code); + flush_icache_user_range(start_code, end_code); /* zero the BSS, BRK and stack areas */ if (clear_user((void __user *)(datapos + data_len), bss_len + _