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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 81EFEC433E2 for ; Fri, 15 May 2020 14:38:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 410AF20671 for ; Fri, 15 May 2020 14:38:46 +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="l4tX9YFz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 410AF20671 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 294EC80076; Fri, 15 May 2020 10:38:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1CD2180051; Fri, 15 May 2020 10:38:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0BE1180076; Fri, 15 May 2020 10:38:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0167.hostedemail.com [216.40.44.167]) by kanga.kvack.org (Postfix) with ESMTP id D6CAE80051 for ; Fri, 15 May 2020 10:38:29 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 9B6CE40C7 for ; Fri, 15 May 2020 14:38:29 +0000 (UTC) X-FDA: 76819209138.28.farm92_4a1b7b184e338 X-HE-Tag: farm92_4a1b7b184e338 X-Filterd-Recvd-Size: 3312 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Fri, 15 May 2020 14:38:29 +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=4ek5EujzgHPIbdEvHkQJFfygtnYVEDi+YXEorFGRVI0=; b=l4tX9YFz1biQcqnXAemRnxp5lx 7vqRgeqRIM/XatP0wlI3r53NWkSatcw1JkXrkTawHRnmaQBlT8KuOTt+J4BcCTkdGkQu3rT7bWyke NX9OoUXznrAXIJQctXHyRhx9Y2p3y64yEKDoJRhsu0CyLBLe+T587LSnThHwB4WLxmPrd/Rkr3c50 Z+g03UXrGqenMeETgm8UGInxZ7ETcQM2A1HTnzRQvjDcKBE1QA76OmzUAkN+IRiyrbC/4Smuc9tEg J4Dd1AmjTzPqWdEyWEo9O7WTJXIJhU65h5gjraEBoNCOLQqqryFgdSjtY44x78yOGMWmDj7qUiYHo qWAE+Z9Q==; 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 1jZbTY-0005IX-Ha; Fri, 15 May 2020 14:38:13 +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 28/29] nommu: use flush_icache_user_range in brk and mmap Date: Fri, 15 May 2020 16:36:45 +0200 Message-Id: <20200515143646.3857579-29-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 Content-Transfer-Encoding: quoted-printable 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: These obviously operate on user addresses. Signed-off-by: Christoph Hellwig --- mm/nommu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/nommu.c b/mm/nommu.c index 318df4e236c99..aed7acaed2383 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -443,7 +443,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) /* * Ok, looks good - let it rip. */ - flush_icache_range(mm->brk, brk); + flush_icache_user_range(mm->brk, brk); return mm->brk =3D brk; } =20 @@ -1287,7 +1287,7 @@ unsigned long do_mmap(struct file *file, /* we flush the region from the icache only when the first executable * mapping of it is made */ if (vma->vm_flags & VM_EXEC && !region->vm_icache_flushed) { - flush_icache_range(region->vm_start, region->vm_end); + flush_icache_user_range(region->vm_start, region->vm_end); region->vm_icache_flushed =3D true; } =20 --=20 2.26.2