From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35273) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WwRkF-00019z-GD for qemu-devel@nongnu.org; Mon, 16 Jun 2014 03:54:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WwRjx-00063J-Tg for qemu-devel@nongnu.org; Mon, 16 Jun 2014 03:54:23 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:49458) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WwRjx-00061p-3W for qemu-devel@nongnu.org; Mon, 16 Jun 2014 03:54:05 -0400 Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 16 Jun 2014 17:54:02 +1000 From: Alexey Kardashevskiy Date: Mon, 16 Jun 2014 17:53:53 +1000 Message-Id: <1402905233-26510-8-git-send-email-aik@ozlabs.ru> In-Reply-To: <1402905233-26510-1-git-send-email-aik@ozlabs.ru> References: <1402905233-26510-1-git-send-email-aik@ozlabs.ru> Subject: [Qemu-devel] [PATCH 7/7] numa: Allow empty nodes List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Alexey Kardashevskiy , Nishanth Aravamudan , qemu-ppc@nongnu.org, Alexander Graf , Eduardo Habkost Currently NUMA nodes must go consequently and QEMU ignores nodes with @nodeid bigger than the number of NUMA nodes in the command line. This prevents us from creating memory-less nodes which is possible situation in POWERPC under pHyp or Sapphire. This makes nb_numa_nodes a total number of nodes or the biggest node number + 1 whichever is greater. Signed-off-by: Alexey Kardashevskiy --- vl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/vl.c b/vl.c index ac0e3d7..f1b75cb 100644 --- a/vl.c +++ b/vl.c @@ -1356,7 +1356,7 @@ static void numa_add(const char *optarg) if (get_param_value(option, 128, "cpus", optarg) != 0) { numa_node_parse_cpus(nodenr, option); } - nb_numa_nodes++; + nb_numa_nodes = MAX(nb_numa_nodes + 1, nodenr + 1); } else { fprintf(stderr, "Invalid -numa option: %s\n", option); exit(1); -- 2.0.0