From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vR4QX0Yq0zDqGk for ; Sun, 19 Feb 2017 22:33:40 +1100 (AEDT) In-Reply-To: <20170215184536.11755.63813.stgit@ltcalpine2-lp14.aus.stglabs.ibm.com> To: Nathan Fontenot , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Cc: jallen@linux.vnet.ibm.com, david@gibson.dropbear.id.au, mdroth@linux.vnet.ibm.com, sahilmehta17@gmail.com Subject: Re: [v7, 3/4] powerpc/pseries: Implement indexed-count hotplug memory add Message-Id: <3vR4QW6hFWz9sCg@ozlabs.org> Date: Sun, 19 Feb 2017 22:33:39 +1100 (AEDT) List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2017-02-15 at 18:45:56 UTC, Nathan Fontenot wrote: > From: Sahil Mehta > > Indexed-count add for memory hotplug guarantees that a contiguous block > of lmbs beginning at a specified will be assigned, > any LMBs in this range that are not already assigned will be DLPAR added. > Because of Qemu's per-DIMM memory management, the addition of a contiguous > block of memory currently requires a series of individual calls to add > each LMB in the block. Indexed-count add reduces this series of calls to > a single call for the entire block. > > Signed-off-by: Sahil Mehta > Signed-off-by: Nathan Fontenot Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/333f7b76865bec24c66710cf352f89 cheers