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=-5.3 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,URIBL_BLOCKED,USER_AGENT_SANE_1 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 24B59CA9ECB for ; Thu, 31 Oct 2019 06:50:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4E0220862 for ; Thu, 31 Oct 2019 06:50:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572504635; bh=gbbppg5IoX5D4b7/HzOcXXHVR2UkAXTX0S0crnRQdWs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=kI+/QQqSrtJOHaQXpPSpfUz+pCBsDfqPA6citK2fd1yVJm4VPPD4lGxHEIEn0cbuW 3CQZhJ3/tmNkmCONjtUTiEpEXVZ+e9+AekvCtZVDaS24QlGLdq8KRvVPEaCdyBKncy Pur+VOeT72r7wJlxFoy/FU/lbbJs5L97rmb10PS8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726840AbfJaGud (ORCPT ); Thu, 31 Oct 2019 02:50:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:39010 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726479AbfJaGud (ORCPT ); Thu, 31 Oct 2019 02:50:33 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 CD88E2083E; Thu, 31 Oct 2019 06:50:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572504631; bh=gbbppg5IoX5D4b7/HzOcXXHVR2UkAXTX0S0crnRQdWs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=juXdlb9bZcMTtyT4MYJBmreT4PtueRB/7G1rGLLIVmRNSpd60hLrtvJ4PAYc2avlA mW3QPtMtdv4bF865BwLs+0FGz10hEVY6FbzYaw1dui3ois+coXMTXjwBhQA2ys1WVA qHXedv2PDRSQjzgkQZAJbSYAkWGv9ZQFB7IbU6TM= Date: Thu, 31 Oct 2019 07:50:27 +0100 From: Greg Kroah-Hartman To: Kees Cook Cc: Christoph Hellwig , Robin Murphy , Laura Abbott , Marek Szyprowski , Jesper Dangaard Brouer , Allison Randal , Thomas Gleixner , Stephen Boyd , Dan Carpenter , Semmle Security Reports , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 2/2] usb: core: Remove redundant vmap checks Message-ID: <20191031065027.GA728148@kroah.com> References: <20191029213423.28949-1-keescook@chromium.org> <20191029213423.28949-3-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191029213423.28949-3-keescook@chromium.org> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 29, 2019 at 02:34:23PM -0700, Kees Cook wrote: > Now that the vmap area checks are being performed in the DMA > infrastructure directly, there is no need to repeat them in USB. > > Signed-off-by: Kees Cook > --- > drivers/usb/core/hcd.c | 8 +------- > 1 file changed, 1 insertion(+), 7 deletions(-) Acked-by: Greg Kroah-Hartman