From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39585) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z3Kpe-0002oa-UQ for qemu-devel@nongnu.org; Fri, 12 Jun 2015 05:00:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z3KpZ-0000Vi-9W for qemu-devel@nongnu.org; Fri, 12 Jun 2015 05:00:58 -0400 Received: from e28smtp03.in.ibm.com ([122.248.162.3]:55169) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z3KpY-0000Uv-D1 for qemu-devel@nongnu.org; Fri, 12 Jun 2015 05:00:53 -0400 Received: from /spool/local by e28smtp03.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 12 Jun 2015 14:30:48 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 421923940053 for ; Fri, 12 Jun 2015 14:30:46 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay02.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t5C90iHH45351050 for ; Fri, 12 Jun 2015 14:30:45 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t5C90hKr025167 for ; Fri, 12 Jun 2015 14:30:44 +0530 From: Bharata B Rao Date: Fri, 12 Jun 2015 14:30:27 +0530 Message-Id: <1434099628-18102-4-git-send-email-bharata@linux.vnet.ibm.com> In-Reply-To: <1434099628-18102-1-git-send-email-bharata@linux.vnet.ibm.com> References: <1434099628-18102-1-git-send-email-bharata@linux.vnet.ibm.com> Subject: [Qemu-devel] [RFC PATCH v1 3/4] numa: Store boot memory address range in node_info List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, imammedo@redhat.com, Bharata B Rao , ehabkost@redhat.com, david@gibson.dropbear.id.au Store memory address range information of boot memory in address range list of numa_info. This helps to have a common NUMA node lookup by address function that works for both boot time memory and hotplugged memory. Signed-off-by: Bharata B Rao --- numa.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/numa.c b/numa.c index 27ca743..d67b1fb 100644 --- a/numa.c +++ b/numa.c @@ -75,6 +75,26 @@ void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node) } } +static void numa_set_mem_ranges(void) +{ + int i; + ram_addr_t mem_start, mem_end_prev; + + /* + * Deduce start address of each node and use it to store + * the address range info in numa_info address range list + */ + for (i = 0; i < nb_numa_nodes; i++) { + if (i) { + mem_start = mem_end_prev; + } else { + mem_start = 0; + } + mem_end_prev = mem_start + numa_info[i].node_mem; + numa_set_mem_node_id(mem_start, numa_info[i].node_mem, i); + } +} + static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp) { uint16_t nodenr; @@ -300,6 +320,8 @@ void parse_numa_opts(MachineClass *mc) QLIST_INIT(&numa_info[i].addr); } + numa_set_mem_ranges(); + for (i = 0; i < nb_numa_nodes; i++) { if (!bitmap_empty(numa_info[i].node_cpu, MAX_CPUMASK_BITS)) { break; -- 2.1.0