From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] Handle vma regions with no backing page (v3) Date: Fri, 02 May 2008 12:33:08 +0300 Message-ID: <481ADFD4.9030705@qumranet.com> References: <1209587827-5163-1-git-send-email-aliguori@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net, Andrea Arcangeli , Ben-Ami Yassour To: Anthony Liguori Return-path: In-Reply-To: <1209587827-5163-1-git-send-email-aliguori@us.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org Anthony Liguori wrote: > This patch allows VMA's that contain no backing page to be used for guest > memory. This is a drop-in replacement for Ben-Ami's first page in his direct > mmio series. Here, we continue to allow mmio pages to be represented in the > rmap. > > Since v1, I've taken into account Andrea's suggestions at using VM_PFNMAP > instead of VM_IO and changed the BUG_ON to a return of bad_page. > > Since v2, I've incorporated comments from Avi about returning bad_page instead > of NULL and fixed a typo spotted by Muli. > > Applied, thanks. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone