From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f49.google.com (mail-wm0-f49.google.com [74.125.82.49]) by kanga.kvack.org (Postfix) with ESMTP id E5F816B0005 for ; Thu, 11 Feb 2016 17:02:28 -0500 (EST) Received: by mail-wm0-f49.google.com with SMTP id g62so39858814wme.0 for ; Thu, 11 Feb 2016 14:02:28 -0800 (PST) Received: from mail.skyhub.de (mail.skyhub.de. [2a01:4f8:120:8448::d00d]) by mx.google.com with ESMTP id mb1si14776093wjb.176.2016.02.11.14.02.27 for ; Thu, 11 Feb 2016 14:02:27 -0800 (PST) Date: Thu, 11 Feb 2016 23:02:22 +0100 From: Borislav Petkov Subject: Re: [PATCH v11 0/4] Machine check recovery when kernel accesses poison Message-ID: <20160211220222.GJ5565@pd.tnic> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Tony Luck Cc: Ingo Molnar , Andrew Morton , Andy Lutomirski , Dan Williams , elliott@hpe.com, Brian Gerst , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@ml01.01.org, x86@kernel.org On Thu, Feb 11, 2016 at 01:34:10PM -0800, Tony Luck wrote: > This series is initially targeted at the folks doing filesystems > on top of NVDIMMs. They really want to be able to return -EIO > when there is a h/w error (just like spinning rust, and SSD does). > > I plan to use the same infrastructure to write a machine check aware > "copy_from_user()" that will SIGBUS the calling application when a > syscall touches poison in user space (just like we do when the application > touches the poison itself). > > I've dropped off the "reviewed-by" tags that I collected back prior to > adding the new field to the exception table. Please send new ones > if you can. > > Changes That's some changelog, I tell ya. Well, it took us long enough so for all 4: Reviewed-by: Borislav Petkov -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org