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[Qemu-devel] [PATCH v2 10/10] cpu/topology: replace smp global variables
From: |
Like Xu |
Subject: |
[Qemu-devel] [PATCH v2 10/10] cpu/topology: replace smp global variables with smp machine properties |
Date: |
Mon, 6 May 2019 16:33:16 +0800 |
At the end of this smp refactoring series, the global ones are removed
and only smp machine properties are fully applied and enabled.
Signed-off-by: Like Xu <address@hidden>
---
vl.c | 53 ++++++++++++++++++++++++++---------------------------
1 file changed, 26 insertions(+), 27 deletions(-)
diff --git a/vl.c b/vl.c
index 34f05b2..a3e426c 100644
--- a/vl.c
+++ b/vl.c
@@ -162,10 +162,6 @@ static Chardev **serial_hds;
Chardev *parallel_hds[MAX_PARALLEL_PORTS];
int win2k_install_hack = 0;
int singlestep = 0;
-int smp_cpus;
-unsigned int max_cpus;
-int smp_cores = 1;
-int smp_threads = 1;
int acpi_enabled = 1;
int no_hpet = 0;
int fd_bootchk = 1;
@@ -1282,8 +1278,9 @@ static void smp_parse(QemuOpts *opts)
sockets = sockets > 0 ? sockets : 1;
cpus = cores * threads * sockets;
} else {
- max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
- sockets = max_cpus / (cores * threads);
+ current_machine->smp.max_cpus =
+ qemu_opt_get_number(opts, "maxcpus", cpus);
+ sockets = current_machine->smp.max_cpus / (cores * threads);
}
} else if (cores == 0) {
threads = threads > 0 ? threads : 1;
@@ -1300,34 +1297,37 @@ static void smp_parse(QemuOpts *opts)
exit(1);
}
- max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
+ current_machine->smp.max_cpus =
+ qemu_opt_get_number(opts, "maxcpus", cpus);
- if (max_cpus < cpus) {
+ if (current_machine->smp.max_cpus < cpus) {
error_report("maxcpus must be equal to or greater than smp");
exit(1);
}
- if (sockets * cores * threads > max_cpus) {
+ if (sockets * cores * threads > current_machine->smp.max_cpus) {
error_report("cpu topology: "
"sockets (%u) * cores (%u) * threads (%u) > "
"maxcpus (%u)",
- sockets, cores, threads, max_cpus);
+ sockets, cores, threads,
+ current_machine->smp.max_cpus);
exit(1);
}
- if (sockets * cores * threads != max_cpus) {
+ if (sockets * cores * threads != current_machine->smp.max_cpus) {
warn_report("Invalid CPU topology deprecated: "
"sockets (%u) * cores (%u) * threads (%u) "
"!= maxcpus (%u)",
- sockets, cores, threads, max_cpus);
+ sockets, cores, threads,
+ current_machine->smp.max_cpus);
}
- smp_cpus = cpus;
- smp_cores = cores;
- smp_threads = threads;
+ current_machine->smp.cpus = cpus;
+ current_machine->smp.cores = cores;
+ current_machine->smp.threads = threads;
}
- if (smp_cpus > 1) {
+ if (current_machine->smp.cpus > 1) {
Error *blocker = NULL;
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
replay_add_blocker(blocker);
@@ -4094,26 +4094,25 @@ int main(int argc, char **argv, char **envp)
machine_class->default_cpus = machine_class->default_cpus ?: 1;
/* default to machine_class->default_cpus */
- smp_cpus = machine_class->default_cpus;
- max_cpus = machine_class->default_cpus;
+ current_machine->smp.cpus = machine_class->default_cpus;
+ current_machine->smp.max_cpus = machine_class->default_cpus;
+ current_machine->smp.cores = 1;
+ current_machine->smp.threads = 1;
smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
- current_machine->smp.cpus = smp_cpus;
- current_machine->smp.max_cpus = max_cpus;
- current_machine->smp.cores = smp_cores;
- current_machine->smp.threads = smp_threads;
-
/* sanity-check smp_cpus and max_cpus against machine_class */
- if (smp_cpus < machine_class->min_cpus) {
+ if (current_machine->smp.cpus < machine_class->min_cpus) {
error_report("Invalid SMP CPUs %d. The min CPUs "
- "supported by machine '%s' is %d", smp_cpus,
+ "supported by machine '%s' is %d",
+ current_machine->smp.cpus,
machine_class->name, machine_class->min_cpus);
exit(1);
}
- if (max_cpus > machine_class->max_cpus) {
+ if (current_machine->smp.max_cpus > machine_class->max_cpus) {
error_report("Invalid SMP CPUs %d. The max CPUs "
- "supported by machine '%s' is %d", max_cpus,
+ "supported by machine '%s' is %d",
+ current_machine->smp.max_cpus,
machine_class->name, machine_class->max_cpus);
exit(1);
}
--
1.8.3.1
- [Qemu-devel] [PATCH v2 03/10] cpu/topology: replace global smp variables by MachineState in general path, (continued)
- [Qemu-devel] [PATCH v2 03/10] cpu/topology: replace global smp variables by MachineState in general path, Like Xu, 2019/05/06
- [Qemu-devel] [PATCH v2 05/10] cpu/topology: add hw/ppc support for smp machine properties, Like Xu, 2019/05/06
- [Qemu-devel] [PATCH v2 04/10] cpu/topology: add uncommon arch support for smp machine properties, Like Xu, 2019/05/06
- [Qemu-devel] [PATCH v2 06/10] cpu/topology: add hw/riscv support for smp machine properties, Like Xu, 2019/05/06
- [Qemu-devel] [PATCH v2 08/10] cpu/topology: add hw/i386 support for smp machine properties, Like Xu, 2019/05/06
- [Qemu-devel] [PATCH v2 10/10] cpu/topology: replace smp global variables with smp machine properties,
Like Xu <=
- [Qemu-devel] [PATCH v2 09/10] cpu/topology: add hw/arm support for smp machine properties, Like Xu, 2019/05/06
- Re: [Qemu-devel] [PATCH v2 00/10] refactor cpu topo into machine properties, Like Xu, 2019/05/09