Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp406663ybt; Wed, 24 Jun 2020 02:11:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx+sUyX8+m9/9N/+Q8FnWkpPCSRzqJtjULMczkj4fe53XYmS0SvvtSgdZnnX0PrfaK8wEgA X-Received: by 2002:a17:906:e089:: with SMTP id gh9mr17420957ejb.482.1592989889052; Wed, 24 Jun 2020 02:11:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592989889; cv=none; d=google.com; s=arc-20160816; b=nwwfcDbKX1mY5urYpzoY/eWpgzosjBIdJ9Agv3VPvc4tRHncfLuE51HWp+sva57HLT JZNPqg8sG9oxqd8cnObITg2r+BhinKWKJC4FIdcJHvSY2jJXC/ZpLTjhTsd4UIFCGxwr wjbDJ+MftD301RaVCVan+sEYS+d5wMvQE4XCf2MDKTHxmP8NnMTdxhW1J61jYdXxwvd7 V8A1IN490ncAcWt7tKW5sUHM8iPlHUa+fOWNeDEQJXm8r/nNMtbODh5UWEhDBxyc34CM panvOfXy8DCXknNotFNty8P9gKajCpk0XhABO74sW9VBB4Phv/SbxSH1FCrD14xXCeFi egPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=Rk3C0IvjcIuGqq4aP8/etRPW26j3nTbmCREPFkjyqW4=; b=f2tix3jhG3hGlTRMUW7X+ETvu4hdqqIDAGv6O7aVfAroRVOxmXfPcY/pH3psH72Vx6 IoG3klq9P/RND2I5D8xdl+4GQmKYsJRH7DxUMeAx3JeXLq+48C7I2SX8jCxZXnwJ8MyL mHwz9688wri+I4fk0THPQ/7criZcPqkc9cDXKQAB36HGycNqW0QIcgEVGdRWrfP3ckjM 7ITYBzsaPfN1qbg8D+sfKZjbCrjFTOZ01IQ8AEqJY9rlNTXsEaKyHhdRm6w/QZCObn3x YWHLeJp4lCMvv9x1hhaoWf/B3npNl0MBFT3pYK3M1J/vbPKrCQ8ytQ3y1Or/ejgzDxL3 dOgg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JbIatC7X; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lz22si3139603ejb.742.2020.06.24.02.11.05; Wed, 24 Jun 2020 02:11:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JbIatC7X; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388314AbgFXJKq (ORCPT + 99 others); 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