From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivek Goyal Subject: Re: [PATCH] acpi memory hotplug, add parameter to disable memory hotplug [v2] Date: Fri, 10 Jan 2014 09:49:10 -0500 Message-ID: <20140110144910.GB19115@redhat.com> References: <1389364615-13320-1-git-send-email-prarit@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1389364615-13320-1-git-send-email-prarit-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+glkk-kexec=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Prarit Bhargava Cc: kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, "Rafael J. Wysocki" , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kosaki.motohiro-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Len Brown List-Id: linux-acpi@vger.kernel.org On Fri, Jan 10, 2014 at 09:36:55AM -0500, Prarit Bhargava wrote: [..] > This can also be reproduced by using the memmap=exactmap and mem=X > parameters on the main kernel and booting. > > This patchset resolves the problem by adding a kernel parameter, > acpi_no_memhotplug, to disable ACPI memory hotplug. Hi Prarit, People seem to like the idea of disabling hotplug automatically if memmap=exactmap or mem=X is passed on command line. Can you please take care of that too. That way we would not have to modify kexec-tools and kernel update will fix this issue. Thanks Vivek