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=-4.0 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 94017C433E0 for ; Wed, 24 Jun 2020 09:10:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6CB762082F for ; Wed, 24 Jun 2020 09:10:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592989848; bh=HSunofzXvpiYjRIWaOPT0OSKT5gKUPaFkaG89X7dXDI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=QUI0RSpvxWoZboWzqhYqQEDWqsAlzaj3CKo6az8qCcUKuUgu+ViDfhkkp+Quq/Egl ixRBIW5nsBa+ZUpLs7QcCV3Mlwr3VPgLWJPpB4+dd7YATEUOnwS8ba2YeRy4nbHTN/ ajkSfsISgEwilX6YKbQs3MVuWhlZ17LFEgt6LtDU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388749AbgFXJKq (ORCPT ); Wed, 24 Jun 2020 05:10:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:60196 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728857AbgFXJKp (ORCPT ); Wed, 24 Jun 2020 05:10:45 -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 D8BBB206FA; Wed, 24 Jun 2020 09:10:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592989845; bh=HSunofzXvpiYjRIWaOPT0OSKT5gKUPaFkaG89X7dXDI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JbIatC7Xy0oW/BY8bt3YHwqvEXiC2XaSlHJWp4GWsFpc9YIfrD8VYkCk1sFxT/JO2 /eeuR4iKy74aWWm2L+/4epymSohLbGJeB7GikfVWbR68d5aq7T6+N71c1V4CjpBkYy 8UiyC0vt6VWqCHqKTp6M9FM6UH+PnqqTLBjRblaw= Date: Wed, 24 Jun 2020 11:10:43 +0200 From: Greg KH To: Souptick Joarder Cc: Arnd Bergmann , Jason Gunthorpe , Mike Marshall , Daniel Vetter , dvhart@infradead.org, sgarzare@redhat.com, Thomas Gleixner , Ira Weiny , linux-kernel@vger.kernel.org Subject: Re: [PATCH] VMCI: Avoid extra check for access_ok() Message-ID: <20200624091043.GE1731290@kroah.com> References: <1588709912-8065-1-git-send-email-jrdr.linux@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 24, 2020 at 07:11:54AM +0530, Souptick Joarder wrote: > Hi Greg, > > On Wed, May 6, 2020 at 1:40 AM Souptick Joarder wrote: > > > > get_user_pages_fast() is already having a check for the same. This > > double check can be removed. > > > > Signed-off-by: Souptick Joarder > > Does this need to be marked as stable ? You tell me, why would it? Does it meet the requirements for stable kernels? If so, which one? thanks, greg k-h