[v3] Unified CPU type check

[PATCH v3 28/32] hw/arm/virt: Check CPU type in machine_run_board_init()

Gavin Shan posted 32 patches 1 year, 2 months ago

Diff against v5 v6 v7 v8 v9
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Maintainers: Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Peter Maydell <peter.maydell@linaro.org>, Beniamino Galvani <b.galvani@gmail.com>, Strahinja Jankovic <strahinja.p.jankovic@gmail.com>, Subbaraya Sundeep <sundeep.lkml@gmail.com>, Tyrone Ting <kfting@nuvoton.com>, Hao Wu <wuhaotsh@google.com>, Niek Linnenbank <nieklinnenbank@gmail.com>, Radoslaw Biernacki <rad@semihalf.com>, Leif Lindholm <quic_llindhol@quicinc.com>, Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>, Laurent Vivier <laurent@vivier.eu>, Vijai Kumar K <vijai@behindbytes.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Richard Henderson <richard.henderson@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Brian Cain <bcain@quicinc.com>, Song Gao <gaosong@loongson.cn>, Xiaojuan Yang <yangxiaojuan@loongson.cn>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Huacai Chen <chenhuacai@kernel.org>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Nicholas Piggin <npiggin@gmail.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>

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[PATCH v3 28/32] hw/arm/virt: Check CPU type in machine_run_board_init()

Posted by Gavin Shan 1 year, 2 months ago

Set mc->valid_cpu_types so that the user specified CPU type can be
validated in machine_run_board_init(). We needn't to do the check
by ourselves.

Signed-off-by: Gavin Shan <gshan@redhat.com>
---
 hw/arm/virt.c | 21 +++------------------
 1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index a13c658bbf..762780e677 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -203,7 +203,7 @@ static const int a15irqmap[] = {
     [VIRT_PLATFORM_BUS] = 112, /* ...to 112 + PLATFORM_BUS_NUM_IRQS -1 */
 };
 
-static const char *valid_cpus[] = {
+static const char * const valid_cpu_types[] = {
 #ifdef CONFIG_TCG
     ARM_CPU_TYPE_NAME("cortex-a7"),
     ARM_CPU_TYPE_NAME("cortex-a15"),
@@ -219,20 +219,9 @@ static const char *valid_cpus[] = {
     ARM_CPU_TYPE_NAME("cortex-a57"),
     ARM_CPU_TYPE_NAME("host"),
     ARM_CPU_TYPE_NAME("max"),
+    NULL
 };
 
-static bool cpu_type_valid(const char *cpu)
-{
-    int i;
-
-    for (i = 0; i < ARRAY_SIZE(valid_cpus); i++) {
-        if (strcmp(cpu, valid_cpus[i]) == 0) {
-            return true;
-        }
-    }
-    return false;
-}
-
 static void create_randomness(MachineState *ms, const char *node)
 {
     struct {
@@ -2030,11 +2019,6 @@ static void machvirt_init(MachineState *machine)
     unsigned int smp_cpus = machine->smp.cpus;
     unsigned int max_cpus = machine->smp.max_cpus;
 
-    if (!cpu_type_valid(machine->cpu_type)) {
-        error_report("mach-virt: CPU type %s not supported", machine->cpu_type);
-        exit(1);
-    }
-
     possible_cpus = mc->possible_cpu_arch_ids(machine);
 
     /*
@@ -2953,6 +2937,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
 #else
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("max");
 #endif
+    mc->valid_cpu_types = valid_cpu_types;
     mc->get_default_cpu_node_id = virt_get_default_cpu_node_id;
     mc->kvm_type = virt_kvm_type;
     assert(!mc->get_hotplug_handler);
-- 
2.41.0

Re: [PATCH v3 28/32] hw/arm/virt: Check CPU type in machine_run_board_init()

Posted by Philippe Mathieu-Daudé 1 year, 2 months ago

On 7/9/23 02:35, Gavin Shan wrote:
> Set mc->valid_cpu_types so that the user specified CPU type can be
> validated in machine_run_board_init(). We needn't to do the check
> by ourselves.
> 
> Signed-off-by: Gavin Shan <gshan@redhat.com>
> ---
>   hw/arm/virt.c | 21 +++------------------
>   1 file changed, 3 insertions(+), 18 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>