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Re: [Qemu-devel] [PULL 23/29] numa: use possible_cpus for not mapped CPU
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PULL 23/29] numa: use possible_cpus for not mapped CPUs check |
Date: |
Wed, 17 May 2017 10:07:18 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Eduardo Habkost <address@hidden> writes:
> From: Igor Mammedov <address@hidden>
>
> and remove corresponding part in numa.c that uses
> node_cpu bitmaps.
>
> Signed-off-by: Igor Mammedov <address@hidden>
> Reviewed-by: David Gibson <address@hidden>
> Reviewed-by: Andrew Jones <address@hidden>
> Message-Id: <address@hidden>
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
> hw/core/machine.c | 58
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> numa.c | 10 ----------
> 2 files changed, 58 insertions(+), 10 deletions(-)
>
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index 64e2a4ff2c..fd6a436064 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -20,6 +20,7 @@
> #include "sysemu/numa.h"
> #include "qemu/error-report.h"
> #include "qemu/cutils.h"
> +#include "sysemu/numa.h"
>
> static char *machine_get_accel(Object *obj, Error **errp)
> {
> @@ -678,9 +679,66 @@ bool machine_mem_merge(MachineState *machine)
> return machine->mem_merge;
> }
>
> +static char *cpu_slot_to_string(const CPUArchId *cpu)
> +{
> + GString *s = g_string_new(NULL);
> + if (cpu->props.has_socket_id) {
> + g_string_append_printf(s, "socket-id: %"PRId64,
> cpu->props.socket_id);
> + }
> + if (cpu->props.has_core_id) {
> + if (s->len) {
> + g_string_append_printf(s, ", ");
> + }
> + g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
> + }
> + if (cpu->props.has_thread_id) {
> + if (s->len) {
> + g_string_append_printf(s, ", ");
> + }
> + g_string_append_printf(s, "thread-id: %"PRId64,
> cpu->props.thread_id);
> + }
> + return g_string_free(s, false);
> +}
> +
> +static void machine_numa_validate(MachineState *machine)
> +{
> + int i;
> + GString *s = g_string_new(NULL);
> + MachineClass *mc = MACHINE_GET_CLASS(machine);
> + const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
> +
> + assert(nb_numa_nodes);
> + for (i = 0; i < possible_cpus->len; i++) {
> + const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
> +
> + /* at this point numa mappings are initilized by CLI options
> + * or with default mappings so it's sufficient to list
> + * all not yet mapped CPUs here */
> + /* TODO: make it hard error in future */
> + if (!cpu_slot->props.has_node_id) {
> + char *cpu_str = cpu_slot_to_string(cpu_slot);
> + g_string_append_printf(s, "%sCPU %d [%s]", s->len ? ", " : "", i,
> + cpu_str);
> + g_free(cpu_str);
> + }
> + }
> + if (s->len) {
> + error_report("warning: CPU(s) not present in any NUMA nodes: %s",
> + s->str);
> + error_report("warning: All CPU(s) up to maxcpus should be described "
> + "in NUMA config, ability to start up with partial NUMA "
> + "mappings is obsoleted and will be removed in future");
I can see this gripes in output of make check. Shouldn't you suppress
them on qtest_enabled(), like we do elsewhere?
> + }
> + g_string_free(s, true);
> +}
[...]
- [Qemu-devel] [PULL 14/29] numa: mirror cpu to node mapping in MachineState::possible_cpus, (continued)
- [Qemu-devel] [PULL 14/29] numa: mirror cpu to node mapping in MachineState::possible_cpus, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 15/29] numa: do default mapping based on possible_cpus instead of node_cpu bitmaps, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 16/29] pc: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 17/29] spapr: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 18/29] virt-arm: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 19/29] QMP: include CpuInstanceProperties into query_cpus output output, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 20/29] tests: numa: add case for QMP command query-cpus, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 21/29] numa: remove no longer need numa_post_machine_init(), Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 22/29] machine: call machine init from wrapper, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 23/29] numa: use possible_cpus for not mapped CPUs check, Eduardo Habkost, 2017/05/11
- Re: [Qemu-devel] [PULL 23/29] numa: use possible_cpus for not mapped CPUs check,
Markus Armbruster <=
- [Qemu-devel] [PULL 24/29] numa: remove node_cpu bitmaps as they are no longer used, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 25/29] numa: add '-numa cpu, ...' option for property based node mapping, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 26/29] tests: check -numa node, cpu=props_list usecase, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 27/29] migration/i386: Remove old non-softfloat 64bit FP support, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 28/29] vmstatification: i386 FPReg, Eduardo Habkost, 2017/05/11
- [Qemu-devel] [PULL 29/29] migration/i386: Remove support for pre-0.12 formats, Eduardo Habkost, 2017/05/11
- Re: [Qemu-devel] [PULL 00/29] x86 and machine queue, 2017-05-11, Stefan Hajnoczi, 2017/05/15